UNIGENE LABORATORIES INC
S-3, 1996-05-24
MEDICINAL CHEMICALS & BOTANICAL PRODUCTS
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      As filed with the Securities and Exchange Commission on May 24, 1996

                                                                Registration No.
================================================================================

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                         -------------------------------

                                    FORM S-3
                             REGISTRATION STATEMENT
                                      UNDER
                           THE SECURITIES ACT OF 1933

                         -------------------------------

                           UNIGENE LABORATORIES, INC.
             (Exact name of Registrant as specified in its charter)

                         -------------------------------

           Delaware                                         22-2328609
(State or other jurisdiction of                          (I.R.S. Employer
incorporation or organization)                        Identification Number)

                         -------------------------------

                              110 Little Falls Road
                           Fairfield, New Jersey 07004
                                 (201) 882-0860
         (Address, including zip code, and telephone number, including
             area code, of Registrant's principal executive offices)

                        -------------------------------

                            Warren P. Levy, President
                           Unigene Laboratories, Inc.
                              110 Little Falls Road
                           Fairfield, New Jersey 07004
                                 (201) 882-0860
         (Name, address, including zip code, telephone number, including
                        area code, of agent for service)

                         -------------------------------

                                    Copy to:
                            D. Michael Lefever, Esq.
                               Covington & Burling
                   P.O. Box 7566, 1201 Pennsylvania Ave., N.W.
                           Washington, D.C. 20044-7566

                         -------------------------------

          Approximate date of commencement of proposed sale to public:
     From time to time after this Registration Statement becomes effective.

                         -------------------------------
<PAGE>
         If the only securities  being registered on this Form are being offered
pursuant to dividend or interest  reinvestment plans, please check the following
box. [   ]

         If any of the  securities  being  registered  on  this  Form  are to be
offered  on a  delayed  or  continuous  basis  pursuant  to Rule 415  under  the
Securities Act of 1933,  other than  securities  offered only in connection with
dividend or interest reinvestment plans, check the following box. [ X ]

         If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list  the  Securities  Act  registration  statement  number  of the  earlier
effective registration statement for the same offer. [   ]

         If this  Form is a  post-effective  amendment  filed  pursuant  to Rule
462(c) under the Securities Act, check the following box and list the Securities
Act  registration   statement  number  on  the  earlier  effective  registration
statement for the same offering. [   ]

         If delivery of the  prospectus  is expected to be made pursuant to Rule
434, please check the following box. [   ]

                         -------------------------------
<TABLE>
<CAPTION>
                                                   CALCULATION OF REGISTRATION FEE
====================================================================================================================================
                                          Amount to be        Proposed maximum          Proposed maximum              Amount of
Title of each class of securities to       registered        offering price per        aggregate offering         registration fee
            be registered                                          share(1)                  price(1)
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                                       <C>                       <C>                    <C>                         <C>    
Common Stock ($.01 par value)             9,000,000(2)              $3.97                  $35,730,000                 $12,321
====================================================================================================================================
</TABLE>
(1)      Estimated  solely  for the  purpose  of  calculating  the amount of the
         registration  fee, in accordance  with Rule 457(c) under the Securities
         Act of 1933, on the basis of the average of the high and low prices per
         share of Common Stock of the  Registrant on May 20, 1996 as reported on
         the Nasdaq National Market.
(2)      Plus such  indeterminate  number of additional  shares of Common Stock,
         par value  $.01 per share,  that may be  issuable  pursuant  to certain
         anti-dilution  provisions or certain  adjustment  provisions  under the
         warrants, options and convertible securities described herein.

         The Registrant hereby amends this  Registration  Statement on such date
or dates as may be necessary to delay its  effective  date until the  Registrant
shall file a further amendment which specifically  states that this Registration
Statement shall  thereafter  become effective in accordance with Section 8(a) of
the  Securities  Act of 1933 or until the  Registration  Statement  shall become
effective on such date as the Commission,  acting pursuant to said Section 8(a),
may determine.
<PAGE>
Information   contained  herein  is  subject  to  completion  or  amendment.   A
registration  statement  relating  to these  securities  has been filed with the
Securities  and Exchange  Commission.  These  securities may not be sold nor may
offers to buy be accepted prior to the time the registration  statement  becomes
effective.  This  prospectus  shall  not  constitute  an  offer  to  sell or the
solicitation of an offer to buy nor shall there be any sale of these  securities
in any State in which such offer,  solicitation  or sale would be unlawful prior
to registration or qualification under the securities laws of any such State.



Prospectus                                                 Subject to Completion
                                                                    May 24, 1996


                           UNIGENE LABORATORIES, INC.

                                  Common Stock
                           (par value $.01 per share)
                                 ---------------

                  This  Prospectus  relates  to the  resale  of up to  7,692,201
shares of common  stock,  par value  $.01 per share  (the  "Common  Stock"),  of
Unigene  Laboratories,  Inc., a Delaware  corporation (the "Company")  issued or
issuable  to  certain  persons  or  entities  (the  "Selling  Shareholders")  in
connection with the transactions  described herein. This Prospectus also relates
to an  indeterminate  number of  additional  shares of Common  Stock that may be
issued  to  certain  of  the  Selling  Shareholders  pursuant  to  anti-dilution
provisions or certain adjustment  provisions contained in the warrants,  options
and convertible  debentures  described herein.  All of the shares offered hereby
will  be  offered  and  sold  by  the   Selling   Shareholders.   See   "Selling
Shareholders."  The Company will not receive any  proceeds  from the sale of the
shares of Common Stock offered hereby.

                  The Common Stock is listed on the Nasdaq National Market under
the symbol UGNE. On May 20, 1996,  the last sale price of the Common  Stock,  as
reported on the Nasdaq National Market, was $4.13 per share.

                  The  Common  Stock  may be  offered  from  time to time by the
Selling Shareholders to or through brokers,  dealers or other agents or directly
to other purchasers in one or more market  transactions,  in one or more private
transactions  or in a  combination  of such  methods  of sale,  at  prices  then
prevailing,  at prices  related to such  prices,  or at  negotiated  prices.  In
effecting  sales,  brokers,  dealers  or other  agents  engaged  by the  Selling
Shareholders  may arrange for other brokers,  dealers or agents to  participate.
Such  brokers,   dealers  or  agents  may  receive  commissions,   discounts  or
concessions  from the Selling  Shareholders  in amounts to be  negotiated.  Such
brokers or dealers and any other participating  brokers or dealers may be deemed
to be  "underwriters"  within the  meaning  of the  Securities  Act of 1933,  as
amended  (the  "Securities  Act"),  and  any  such  commissions,   discounts  or
concessions may be deemed to be underwriting  discounts or commissions under the
Securities Act.

                  Certain  costs,  expenses  and  fees in  connection  with  the
registration  of the  Common  Stock will be borne by the  Company.  Commissions,
discounts and transfer  taxes,  if any,  attributable to the sales of the Common
Stock will be borne by the Selling Shareholders.

                                     - 1 -
<PAGE>
           INVESTMENT IN THE SECURITIES OFFERED HEREBY INVOLVES A HIGH
                  DEGREE OF RISK. SEE "RISK FACTORS" ON PAGE 4.

                                 ---------------

          THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE
           SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES
            COMMISSION NOR HAS THE SECURITIES AND EXCHANGE COMMISSION
               OR ANY STATE SECURITIES COMMISSION PASSED UPON THE
                  ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY
                       REPRESENTATION TO THE CONTRARY IS A
                                CRIMINAL OFFENSE.


                The date of this Prospectus is ___________, 1996.











































                                     - 2 -
<PAGE>
NO DEALER,  SALESMAN OR OTHER PERSON IS AUTHORIZED TO GIVE ANY INFORMATION OR TO
MAKE ANY REPRESENTATIONS NOT CONTAINED IN THIS PROSPECTUS IN CONNECTION WITH THE
OFFER MADE HEREBY,  AND, IF GIVEN OR MADE, SUCH  INFORMATION OR  REPRESENTATIONS
MUST NOT BE RELIED UPON AS HAVING BEEN  AUTHORIZED  BY THE COMPANY,  ANY SELLING
SHAREHOLDER OR ANY UNDERWRITER.  THIS PROSPECTUS DOES NOT CONSTITUTE AN OFFER TO
SELL OR A SOLICITATION  OF AN OFFER TO BUY THE SECURITIES  OFFERED HEREBY TO ANY
PERSON IN ANY STATE OR OTHER  JURISDICTION  IN WHICH SUCH OFFER OR  SOLICITATION
WOULD BE UNLAWFUL.  THE DELIVERY OF THIS  PROSPECTUS  AT ANY TIME DOES NOT IMPLY
THAT THE  INFORMATION  CONTAINED  HEREIN IS CORRECT AS OF ANY TIME SUBSEQUENT TO
ITS DATE.
                              AVAILABLE INFORMATION

         The  Company  is  subject  to  the  informational  requirements  of the
Securities  Exchange  Act of 1934,  as  amended  (the  "Exchange  Act"),  and in
accordance therewith files reports,  proxy statements and other information with
the Securities and Exchange Commission (the "Commission").  Such reports,  proxy
statements  and other  information  filed by the  Company can be  inspected  and
copied at the public  reference  facilities  maintained by the Commission at 450
Fifth Street, N.W., Washington,  D.C. 20549; and the public reference facilities
located at the regional  offices of the  Commission at the following  addresses:
New York Regional Office,  7 World Trade Center,  Suite 1300, New York, New York
10048 and Chicago  Regional Office,  Citicorp  Center,  500 West Madison Street,
Chicago, Illinois 60661-2511.  Copies of such material also can be obtained from
the  Public  Reference  Section of the  Commission  at 450 Fifth  Street,  N.W.,
Washington, D.C. 20549, at prescribed rates.

         This Prospectus  constitutes a part of a Registration Statement on Form
S-3 filed by the  Company  with the  Commission  under the  Securities  Act with
respect to the Common Stock being offered by this  Prospectus.  This  Prospectus
does not contain all of the information set forth in the Registration Statement,
certain  portions  of which  have been  omitted  as  permitted  by the rules and
regulations of the Commission. For further information, reference is made to the
Registration Statement, and to the exhibits incorporated therein by reference or
filed  as a  part  thereof.  Any  statements  contained  herein  concerning  the
provisions  of any such  exhibits  are not  necessarily  complete  and,  in each
instance,  reference is made to the copy of such exhibit  filed as an exhibit to
the  Registration  Statement or otherwise filed with the  Commission.  Each such
statement is qualified in its entirety by such reference.

                INCORPORATION OF CERTAIN INFORMATION BY REFERENCE

         The following  documents  filed by the Company with the  Commission are
hereby incorporated by reference in this Prospectus:

                  1.       The Annual Report of the Company on Form 10-K for the
                           year ended December 31, 1995 (the "1995 10-K").

                  2.       The Annual Report of the Company on Form 10-K/A filed
                           April 29, 1996 amending the 1995 10-K.

                  3.       The Quarterly  Report of the Company on Form 10-Q for
                           the quarter ended March 31, 1996.

                  4.       The  description  of the  Company's  Common Stock set
                           forth in the Company's Registration Statement on Form
                           8-A, filed with the Commission on August 4, 1987.


                                     - 3 -
<PAGE>
         All documents filed by the Company pursuant to section 13(a), 13(c), 14
or 15(d) of the Exchange  Act,  subsequent  to the date of this  Prospectus  and
prior to the termination of the offerings to which this Prospectus relates shall
be deemed to be  incorporated  by reference in this  Prospectus and to be a part
hereof from the date of filing of such  documents.  Any  statement in a document
incorporated or deemed to be incorporated by reference herein shall be deemed to
be  modified or  superseded  by this  Prospectus  to the extent that a statement
contained herein or in any other subsequently filed document which also is or is
deemed to be  incorporated  by  reference  herein  modifies or  supersedes  such
statement.  Any such  statement so modified or  superseded  shall not be deemed,
except as so modified or superseded, to constitute a part of this Prospectus.

         The Company hereby  undertakes to provide  without charge copies of all
documents  incorporated  herein  by  reference  (other  than  exhibits  to  such
documents  unless such exhibits are  specifically  incorporated  by reference in
such documents) to each person,  including any beneficial  owner, to whom a copy
of this  Prospectus  has been  delivered  on the written or oral request of such
person to: William Steinhauer, Controller, 110 Little Falls Road, Fairfield, New
Jersey 07004 (telephone number (201)882-0860).

                                  RISK FACTORS

         Prospective  investors should consider  carefully the following factors
concerning the Company and its business before purchasing  securities offered by
this Prospectus.

         Absence  of  Operating  Revenues  and  Liquidity;  History  of  Losses;
Auditors' Report - Going Concern Considerations. The Company has incurred annual
operating losses since its inception and, as a result, at March 31, 1996, had an
accumulated deficit of $35,700,000. The Company has not received any significant
operating revenues during the last five years.

         In addition to operating its production  facility and seeking  approval
for its  Calcitonin  for human use,  the  Company  intends to  continue  certain
internally  funded  research  activities such as the development of a Calcitonin
pill, all of which will contribute to continuing losses from operations.  All of
the Company's  contracts to perform  sponsored  research have been  completed or
cancelled and, at present, it has almost no operating  revenues.  It is unlikely
that the Company's  operating  results will improve unless it is able to license
its  technology,  obtain new  projects,  or  successfully  produce  and sell its
products.  The Company may continue to incur losses over the next several years.
The  auditors'  report for the fiscal year ended  December 31, 1995  contains an
explanatory  paragraph indicating there is substantial doubt about the Company's
ability to continue as a going concern.

         The  Company  has  sufficient   financial   resources  to  sustain  its
operations at the current level through approximately the third quarter of 1996.
To continue its operations  beyond that time will require that the Company enter
into additional financing transactions or marketing,  joint venture or licensing
agreements.  There can be no assurance  that any such  financings  will occur or
that any such agreements will be entered into by the Company.







                                     - 4 -
<PAGE>
         Transition  to  Production;  Possibility  of  Delays  or  Inability  to
Manufacture  and  Market  Products.   The  Company  is  currently  undergoing  a
transition  from its historical  research  orientation  toward a business with a
pharmaceutical production focus. Accordingly, the Company is likely to incur the
problems, delays, expenses and difficulties typically encountered by enterprises
in the Company's stage of transition,  many of which may be beyond the Company's
control.

         No  product  of  the   Company  has  been   commercialized   for  human
pharmaceutical use. The commercial manufacture and sale of any such product will
require the  approval of the U.S.  Food and Drug  Administration  ("FDA") and by
comparable  regulatory  authorities  outside  of the  United  States.  See "Risk
Factors -  Government  Regulation."  There  can be no  assurance  that  clinical
testing  will be  successful  or that the  clinical  results will be adequate to
support regulatory submissions.  Furthermore, there can be no assurance that the
Company's  products will be  demonstrated  to be safe and effective or that they
will be approved by the  appropriate  regulatory  authorities.  Even if any such
products are approved,  there is no assurance that they can be  manufactured  in
commercial  quantities  at  reasonable  costs.  Due  to  the  Company's  limited
clinical, manufacturing and regulatory experience and the absence of a marketing
organization,  it may be necessary  for the Company to rely on sponsors or other
parties to perform such tasks for the commercialization of  pharmaceutical-grade
products. See "Risk Factors - Dependence on Large Pharmaceutical Companies."

         Expanded consumer acceptance of pharmaceutical-grade  Calcitonin may be
dependent on development of a consumer  acceptable  delivery system. The Company
and others are  conducting  research  on new  delivery  systems  for  Calcitonin
including  oral  technology.  There can be no  assurance  that the Company  will
develop suitable oral delivery systems or that governmental approval of any such
delivery  system will be obtained.  There can also be no  assurance  that others
will not develop  oral or other  delivery  systems  that could  compete  with or
surpass any oral delivery system developed by the Company.  Moreover,  there are
non-Calcitonin  products currently being marketed for osteoporosis treatment and
other non- Calcitonin  products in development that will compete with Calcitonin
products. See "Risk Factors - Technological Change and Competition."

         There  can be no  assurance  that  the  Company  will  have  sufficient
financial  resources  to fund its  operations  until  such time as it is able to
generate  revenues  that are  sufficient  to sustain its  operations.  See "Risk
Factors - Absence  of  Operating  Revenues  and  Liquidity;  History  of Losses;
Auditors' Report - Going Concern Considerations."

         New   Production   Facility.   During  1994,   the  Company   completed
construction of a facility for the production of pharmaceutical-grade Calcitonin
and other peptide hormones.  The Company is leasing the facility under a 10-year
agreement  which began in  February  1994.  The Company has two 10-year  renewal
options  as  well  as an  option  to  purchase  the  facility.  The  Company  is
undertaking  steps to secure FDA validation of the facility which would allow it
to manufacture  Calcitonin for human  pharmaceutical use. The facility has begun
producing  Calcitonin in  accordance  with current Good  Manufacturing  Practice
("cGMP")  regulations,  but  there is no  assurance  that the  facility  will be
approved by the FDA.  Furthermore,  there can be no assurance  that the facility
will be able to achieve its production  goals,  that production at this facility
will be  profitable to the Company,  that others will not develop  processes and
products  superior  to, or  otherwise  precluding  the Company  from  commercial
utilization  of this  facility,  that there  will be a market for the  Company's


                                     - 5 -
<PAGE>
products  produced by the facility,  or that sufficient  funds will be available
for the Company to complete the pre-production  process or to produce and market
its products from the facility.

         Dependence on Large Pharmaceutical  Companies. The Company has been and
expects to  continue  to be  dependent  on large  pharmaceutical  companies  for
revenues  from  sales of  product,  research  sponsorship,  joint  ventures  and
licensing arrangements.  During the 1987 to 1990 period, the Company's operating
revenues  resulted  primarily from research  which was totally or  substantially
funded by  pharmaceutical  companies.  The Company  currently  has no  sponsored
research projects.  There is no assurance that the Company will be successful in
its efforts to enter into new research or licensing  agreements or other revenue
producing arrangements.

         The  Company's  past  contracts  with  certain  pharmaceutical  company
sponsors  provide for payment of royalties to the Company on commercial sales of
the products of sponsored research projects.  However, there can be no assurance
that such  sponsors  will  successfully  commercialize  any product based on the
Company's technology. It currently is unlikely that the Company will receive any
material royalties under such past agreements.

         In June 1995, the Company  entered into a joint venture  agreement with
the Qingdao  General  Pharmaceutical  Company and its  Huanghai  factory for the
production  and  marketing of  Calcitonin  in China.  Under the  agreement,  the
Chinese  partners  will  finance the project,  including  the  construction  and
operation of a dedicated  manufacturing facility in China which will utilize the
Company's propriety  production  technology.  The Company will provide the joint
venture with technology and training as well as the Company's proprietary enzyme
at a discounted  price. The Company will receive a combination of fixed fees and
minimum  annual  royalties  based  upon  sales of the end  product.  There is no
assurance  that this joint  venture will be  successful or that the Company will
receive significant income from the joint venture.

         Risks  of  International  Operations.  The  Company's  potential  major
customers,  partners and licensees  include foreign  companies or companies with
significant  international  business.  The business operations of such companies
and their  ability to pay  license  fees,  royalties  and other  amounts due and
otherwise to perform their  obligations to the Company under agreements with the
Company may be subject to approval or regulation by foreign  governments.  There
can be no assurance  that required  approvals  will be received.  The failure to
receive required approvals,  governmental regulations and other risks, including
political and foreign currency risks, could affect the ability of the Company to
earn or receive  payments  pursuant to such agreements  and, in such event,  may
have a material adverse effect on the Company's future operations.

         Technological Change and Competition. The Company has concentrated most
of its  efforts on one  product - the use of  Calcitonin  for the  treatment  of
osteoporosis. The market for this treatment of osteoporosis is subject to rapid,
unpredictable and significant technological change. Competition from specialized
biotechnology  companies,   major  pharmaceutical  and  chemical  companies  and
universities  and research  institutions is intense.  Most of the competitors of
the Company have  substantially  greater financial and other resources than does
the Company.  There can be no assurance that  developments by others,  including
alternative chemical means of amidation,  alternative  processes which eliminate
the  need  for  amidation,  and  new  delivery  systems  and  other  osteoporsis
treatments,  will not render the  Company's  technologies  and products  derived
therefrom obsolete or noncompetitive.

                                     - 6 -
<PAGE>
         Product  Liability.  Product liability claims relating to the Company's
technology  or products  may be asserted  against the  Company.  There can be no
assurance that the Company will have  sufficient  resources to defend against or
satisfy any such liability.  Although the Company has recently  obtained product
liability insurance  coverage,  product liability or other judgments against the
Company in excess of insurance  limits could have a material adverse effect upon
the Company's business and financial condition.

         Patents and Proprietary Technology.  The Company has filed applications
for  U.S.  patents  relating  to  the  proprietary  amidation  and  immunization
processes and Calcitonin  pill invented in the course of its research.  To date,
the following two patents have issued:  Immunization By Immunogenic  Implant,  a
process patent, and Alpha-Amidation  Enzyme, a process and product patent. Other
applications  are pending.  Filings  related to the amidation  process have also
been made in selected  foreign  countries  and nine such  foreign  patents  have
issued. There can be no assurance that any of the Company's pending applications
will issue as patents or that the  Company's  issued  patents  will  provide the
Company with significant  competitive advantages.  Furthermore,  there can be no
assurance that competitors will not  independently  develop or obtain similar or
superior  technologies.  Although  the Company  believes  its patents and patent
applications are valid, the invalidation of its Alpha-Amidation Enzyme patent or
the   failure  of  certain  of  its   pending   Alpha-Amidation   Enzyme-related
applications  to issue as patents could have a material  adverse effect upon the
Company's  business.  Difficulties  in detecting  and proving  infringement  are
generally  greater with process patents than with product patents.  In addition,
the  value of a  process  patent  may be  reduced  if the  products  that can be
produced   using  such  process  have  been  patented  by  others.   Under  such
circumstances,  the  cooperation of these patent  holders or their  sublicensees
would  be  needed  for  the  commercialization  of the  aforementioned  patented
products in countries where these companies hold valid patents.

         In some  cases,  the  Company  relies on trade  secrets to protect  its
inventions.  It is the  policy  of  the  Company  to  include  in  all  research
contracts,  joint  development  agreements  and  consulting  relationships  that
provide access to the Company's trade secrets and other know-how confidentiality
obligations binding on the parties involved.  However, there can be no assurance
that these  secrecy  obligations  will not be breached to the  detriment  of the
Company.  To the extent  sponsors,  consultants  or other  third  parties  apply
technological  information  independently  developed  by  them or by  others  to
Company  projects,  disputes  may  arise as to the  proprietary  rights  to such
information which may not be resolved in favor of the Company.

         Government  Regulation.  The  laboratory  research  activities  of  the
Company and its sponsors,  collaborators  and  licensees,  and the processes and
products  which may be developed by them and the new  production  facility,  are
subject to significant regulation by numerous federal,  state, local and foreign
governmental  authorities.  In addition to obtaining the FDA's validation of the
new  facility,  it is  necessary  to obtain  FDA  approval  for human use of the
Calcitonin to be produced in the facility.  This will require  various human and
animal  studies.  The  Company  will then apply to the FDA for  approval  of the
Company's  Calcitonin for human use. The regulatory process for a pharmaceutical
product may take a number of years and requires  substantial  resources.  In the
case of the  regulatory  process  for the  Company's  Calcitonin  products,  the
Company  believes  that it may be possible to abbreviate  the process.  However,
there can be no assurance that regulatory  approval will be obtained for the new
facility or any of the Company's products. The inability to obtain, or delays in


                                     - 7 -
<PAGE>
obtaining,  such  approvals  would  adversely  affect the  Company's  ability to
continue  to fund its  programs,  produce  marketable  products,  or to  receive
revenue from product sales or royalties.  Furthermore, the extent of any adverse
governmental   regulation   that  may  arise   from   future   legislative   and
administrative action cannot be predicted.

         Dependence on Key Executives. Drs. Warren and Ronald Levy have been the
principal  executive  officers of the Company since its  inception.  The Company
relies on them for their leadership and scientific direction. Neither Dr. Warren
P. Levy nor Dr.  Ronald S. Levy has an  employment  agreement  with the Company.
Each of them has entered into an agreement  with the Company  providing  that he
shall not  engage in any other  employment  or  business  for the  period of his
employment  with the Company.  At the present time,  the loss of the services of
either  of  these  individuals  could  have a  material  adverse  impact  on the
Company's business.

         Attraction  and Retention of Key  Personnel.  The Company's  ability to
obtain required governmental  approvals,  produce its products,  obtain research
contracts  and  develop new  technologies  will depend in part on its ability to
attract and retain highly qualified scientific  personnel.  Competition for such
personnel is intense. There can be no assurance that the Company will be able to
attract and retain such personnel.

         Shares Eligible For Future Sale;  Outstanding  Convertible  Securities,
Warrants  And  Options.  Other than the issued or to be issued  shares of Common
Stock to which this  Prospectus  relates,  there are 6,708,408  shares of Common
Stock  that are  registered  under  the  Securities  Act and are  issuable  upon
exercise of its publicly traded Class B Warrants at an exercise price of $4.1694
per share as of May 13, 1996; 4,540,000 shares of Common Stock that are issuable
upon conversion of the Company's 10% convertible debentures;  and 917,215 shares
issuable  under  purchase  options  exercisable  at prices ranging from $1.00 to
$3.00 per share. In addition,  4,138,350  outstanding shares of Common Stock are
"restricted  securities" as that term is defined by Rule 144  promulgated  under
the Securities  Act. Such  restricted  securities may be sold only in compliance
with Rule 144, or pursuant to registration  under the Securities Act or pursuant
to another  exemption  therefrom.  The Company may issue additional  convertible
securities,  options,  warrants  and shares in the future.  Transactions  by the
Company,  or  the  occurrence  of  certain  other  future  events,  may  require
adjustment of the exercise or conversion  price and other terms of the Company's
convertible  securities,  options and warrants including, in some circumstances,
an increase in the number of shares issuable thereunder.

         The Company  cannot  predict the  adverse  effect that market  sales of
Common Stock,  the conversion of such  convertible  securities,  the exercise of
such options or warrants, or the availability of Common Stock for sale will have
on the market price of the Common Stock  prevailing from time to time,  although
it is likely  that sales of a large  number of  securities  would  depress  such
market price.  The Company also cannot predict the adverse effect,  if any, that
such  convertible  securities,  options,  warrants and shares available for sale
will have on the  ability  of the  Company to obtain  additional  capital or the
terms and conditions thereof.

         Possible  Volatility  of  Securities  Prices.  The market prices of the
Company's  securities may be highly  volatile.  Factors such as announcements by
the Company or others of  technological  innovations,  regulatory  matters,  new
products  or  procedures,  proposed  government  regulations,   developments  or
disputes relating to patents or proprietary  rights, and public concern over the

                                     - 8 -
<PAGE>
safety of  activities  or products may have a  significant  impact on the market
price of the Company's securities. In addition, future sales of shares of Common
Stock by shareholders and by the holders of convertible securities, warrants and
options could have an adverse effect on the prices of the Company's  securities.
See "Risk  Factors - Shares  Eligible for Future Sale;  Outstanding  Convertible
Securities, Warrants and Options."

         Voting Control.  Warren P. Levy, Ronald S. Levy and Jay Levy,  founders
of the Company,  beneficially own,  approximately 16% of the outstanding  Common
Stock (assuming that outstanding  convertible  securities,  warrants and options
held by others are not converted or exercised)  and, thus,  effectively may have
the ability to elect the entire  Board of  Directors  and control the affairs of
the Company.

         Dividends.  The Company has not paid any cash  dividends  on its Common
Stock since its inception and anticipates  that, for the foreseeable  future, it
will not pay any cash dividends.

         Limitation of  Marketability  of Company  Securities.  The Common Stock
currently is traded on the Nasdaq National Market. In order for the Common Stock
to continue to qualify for inclusion on the Nasdaq National Market,  among other
requirements,  the  Company  must  have net  tangible  assets  of at least  $4.0
million.  As of March 31, 1996 the amount of the Company's  net tangible  assets
was  approximately  $3.0  million.  See "Risk  Factors -  Absence  of  Operating
Revenues and  Liquidity;  History of Losses;  Auditors'  Report - Going  Concern
Considerations."  If the  Company  is unable to develop a plan  satisfactory  to
Nasdaq by which it will be able to  restore  and  maintain  compliance  with the
Nasdaq National  Market listing  requirements it is likely that the Common Stock
will be removed from trading on the Nasdaq  National  Market.  Among the actions
that could restore an adequate level of net tangible assets is the conversion of
the Company's  outstanding  convertible  securities.  While the Company believes
that such  conversions  are  likely,  there is no  assurance  that the extent or
timing of such conversions will prevent the removal of the Common Stock from the
Nasdaq National Market. Likewise, there is no assurance that the Company will be
successful  in any other  actions that it might take to prevent a removal of the
Common Stock from the Nasdaq  National  Market or that the Company will continue
to meet all other  requirements  for  continued  trading on the Nasdaq  National
Market.  If the  Company's  fails to meet the  requirements  for  trading on the
Nasdaq  National  Market and does not  otherwise  qualify for  inclusion  in the
Nasdaq  Small-Cap  Market,  the holders of Common Stock may find it difficult to
obtain  accurate  quotations  as to the market value of the Common Stock and may
experience  greater  difficulties in attempting to sell the Common Stock than if
it were listed on a stock  exchange or quoted on the Nasdaq  National  Market or
the Nasdaq Small-Cap Market.

         If the Common Stock is not traded on the Nasdaq  National Market or the
Nasdaq Small-Cap  Market,  and the market price of the Common Stock is less than
$5.00 per share,  the Common Stock would be  classified  as a "penny  stock." As
such the Common  Stock  would be subject to Rule 15g-9 under the  Exchange  Act,
which imposes  additional  sales practice  requirements on  broker-dealers  that
recommend the purchase or sale of such securities to persons other than a person
who qualifies as an "established  customer" or an "accredited  investor."  Among
these  requirements  is that a  broker-dealer  must  make a  determination  that
investments  in penny stocks are suitable for the customer and must make certain
special  disclosures  to the  customer  concerning  the  risks of penny  stocks.
Application of the penny stock rules to the Common Stock could adversely  affect
the market liquidity of such securities, which in turn may affect the ability of
the holders of the Common Stock to resell the securities.

                                     - 9 -
<PAGE>
                                   THE COMPANY

         Unigene  Laboratories,  Inc. is a  health-care  oriented  biotechnology
company which is engaged in research and  production of cGMP  Calcitonin  and is
planning to engage in the  production  and  marketing in bulk of  pharmaceutical
grade  Calcitonin.  The  Company's  current  business  focus has shifted  toward
pharmaceutical production from its historical research orientation.  The Company
has  succeeded in combining its  proprietary  amidation  process with  bacterial
recombinant DNA technology to develop a peptide hormone production process.  The
Company  believes that its proprietary  amidation  process will be a key step in
the more  efficient and  economical  commercial  production  of certain  peptide
hormones with diverse therapeutic applications. Many of these hormones cannot be
produced at a reasonable cost in sufficient  quantities for clinical  testing or
commercial  use  by  currently  available   production   processes.   Using  its
proprietary  process,  the Company has produced  laboratory-scale  quantities of
seven such peptide hormones: human Calcitonin,  salmon Calcitonin,  human Growth
Hormone  Releasing  Factor,  human  Calcitonin   Gene-Related   Peptide,   human
Corticotropin Releasing Factor, human Amylin and a human Magainin.  During 1991,
a study  commissioned  by the  Company was  prepared by a professor  of chemical
engineering at the  Massachusetts  Institute of Technology.  The study evaluated
the  economics  for  producing  multi-kilogram   quantities  of  Calcitonin  and
indicated that the Company's process for producing  Calcitonin should reduce the
cost and time required for commercial production by up to 95%.

         The Company's strategy is to develop proprietary products and processes
with  applications in human  health-care,  independently  or in conjunction with
pharmaceutical  and  chemical  companies,  in order to  generate  revenues  from
license fees, royalties and product sales in bulk. Generally,  the Company seeks
sponsors and licensees to provide research funding and assume responsibility for
obtaining  appropriate  regulatory approvals,  clinical testing,  production and
marketing of products  derived from the Company's  research  activities.  It has
concentrated  most of its efforts on one product - Calcitonin  for the treatment
of  osteoporosis.  The  Company  has built a  production  facility  and plans to
undertake   production  of  pharmaceutical  grade  Calcitonin  and  will  assume
responsibility for the clinical testing and/or applying for regulatory  approval
for certain Calcitonin products.

         Since  1992,  the  Company  has been  producing  and from  time to time
selling small quantities of research-grade  salmon Calcitonin.  During 1993, the
Company  began   construction   of  a  cGMP  facility  for  the   production  of
pharmaceutical-grade  Calcitonin  in leased  premises  located in  Boonton,  New
Jersey which was  mechanically  completed during the fourth quarter of 1994. The
facility will also produce the Company's proprietary amidating enzyme for use in
producing  Calcitonin.  The  initial  production  capacity  of the  facility  is
expected  to  be  between  0.5-1.0   kilograms  of  bulk  Calcitonin  per  year,
representing  approximately  10% of the current  estimated world supply for this
leading osteoporosis drug.

         The Company is following conventional procedures in order to secure the
validation  of the  facility by the FDA in order to allow the Company to provide
its  Calcitonin  for human  use.  Although  the  facility  was  inspected  by an
independent consultant and found to be in compliance with cGMP guidelines, there
can be no assurance  that FDA  validation  will occur.  In addition  there is no
assurance that the facility  production goals will be achieved,  that there will
be a market for the Company's products,  that such production will be profitable
to the Company, that others will not develop processes and products superior to,


                                     - 10 -
<PAGE>
or otherwise precluding the commercial utilization of, the processes or products
developed  by the  Company.  The design of the facility is intended to allow for
substantial  increases in Calcitonin production utilizing the existing equipment
with no additional capital expenditures or personnel. Although the facility will
initially be exclusively devoted to Calcitonin production,  it would be suitable
for producing  other  peptide  hormone  products in the future.  There can be no
assurance that there will be sufficient  acceptance of the Company's products in
the  marketplace  for  successful  commercialization.  See  "Risk  Factors - New
Production Facility."

         In addition to obtaining the FDA's  validation of the new facility,  it
is necessary to obtain FDA approval for human use of the salmon Calcitonin to be
produced in the facility.  This will require  various human and animal  studies.
The Company will then apply to the FDA for approval of the Company's  Calcitonin
for human use. The Company expects that the  requirements for such approval will
be abbreviated.  However,  there can be no assurance that such requirements will
be abbreviated or that the necessary  governmental approvals will be obtained as
projected.  Expanded consumer acceptance of pharmaceutical-grade  Calcitonin may
be dependent on development of a consumer  acceptable  delivery  system. A major
pharmaceutical  company received FDA approval during 1995 for the marketing of a
nasal spray delivery system for  Calcitonin,  which could enlarge the market for
Calcitonin.  The Company  and others are  conducting  research on oral  delivery
systems for Calcitonin. There can be no assurance that suitable delivery systems
will be developed or that governmental approval of such delivery systems will be
obtained.

         The Company is continuing its efforts to develop a Calcitonin  pill. In
December,   1995  and  January,   1996,  the  Company  successfully  tested  its
proprietary  Calcitonin  pill in Phase I clinical  trials in the United Kingdom.
These studies  indicated that the majority of those who received the pill showed
levels of the  hormone in blood  samples  taken  during the trial.  The  Company
believes that this is the first time significant blood levels of Calcitonin have
been observed in humans following oral administration of the hormone. Results of
a third Phase I trial showed that blood levels of the drug were  obtained in all
of the  recipients.  However,  there is no assurance  that these results will be
replicated  in  further  studies.  The  Company  has  recently  filed  a  patent
application for its oral  formulation  with the U.S. Patent and Trademark Office
and plans to file an  Investigational  New Drug (IND)  application with the FDA.
There can be no assurance that either  application will be approved as projected
or that the Company will be successful in marketing its products.

         The planned  activities  of the  Company  are all subject to  obtaining
adequate  financing.  There  can be no  assurance  that the  Company  will  have
sufficient  resources  to complete  the  preproduction  process,  to produce and
market its  products  and to carry on its other  projects.  See "Risk  Factors -
Absence of Operating Revenues and Liquidity; History of Losses; Auditors' Report
- - Going Concern Considerations."

         The  Company  is  currently  engaged  in  two  collaborative   research
programs. One, with Rutgers University College of Pharmacy,  seeks to develop an
oral drug delivery system for Calcitonin. The second collaboration, performed in
conjunction  with Yale  University,  is  investigating  novel  applications  for
certain  amidated  peptide  hormones,  including CGRP,  Calcitonin  gene-related
peptide.




                                     - 11 -
<PAGE>
         At  present,   the  Company  has  no  third  party  sponsored  research
agreements in effect. The Company is currently conducting discussions with major
pharmaceutical  companies regarding licensing and/or research agreements.  There
can be no  assurance  that  such  discussions  will  result in new  research  or
licensing agreements or that the Company will be able to obtain adequate funding
for  its  current  or  new   projects.   The  Company  is   dependent  on  large
pharmaceutical  companies,  having much greater resources than the Company,  for
revenues  from  sales of  product,  research  sponsorship,  joint  ventures  and
licensing  arrangements.  See "Risk Factors - Dependence on Large Pharmaceutical
Companies" and "Risk Factors - Risks of International Operations."

         The Company has established a multi-disciplinary research team to adapt
current  genetic  engineering  technologies  to the  development  of proprietary
products and processes. The Company, at May 1, 1996, had 60 full-time employees,
including 25 research and development personnel and 24 pre-production personnel.
10  employees   have  Ph.D.   degrees  in  the  fields  of  molecular   biology,
microbiology,  biochemistry,  pharmacology or organic  chemistry.  The Company's
employees have expertise in molecular biology, including DNA cloning, synthesis,
sequencing and expression; protein chemistry, including purification, amino acid
analysis,  synthesis  and  sequencing  proteins;  immunology,  including  tissue
culture,   monoclonal  and  polyclonal   antibody   production  and  immunoassay
development; chemical engineering; pharmaceutical production; quality assurance;
and quality control.  None of the Company's employees is covered by a collective
bargaining agreement.

         The Company was incorporated under the laws of the State of Delaware in
November  1980. Its executive  offices and laboratory  facilities are located at
110 Little Falls Road, Fairfield, New Jersey, 07004, and its telephone number is
(201)882-0860.


                              SELLING SHAREHOLDERS


         2,869,565 of the shares of Common Stock  offered  hereby were issued or
are issuable by the Company to holders (the  "Debenture  Holders") of $3,300,000
aggregate  principal  amount of the Company's  9.5% Senior  Secured  Convertible
Debentures (the "Debentures") upon conversion of the Debentures.  The Debentures
were  issued  by the  Company  in a  private  transaction  on March 6,  1996 and
initially are  convertible  into Common Stock at a conversion  rate of $1.15 per
share that is subject to a downward  adjustment  upon the  occurrence of certain
events. The Debentures also contain certain  anti-dilution  provisions which may
require the Company to issue  additional  shares of Common Stock upon conversion
thereof.  In connection with the issuance of the Debentures,  the Company agreed
to register the Common Stock into which the Debentures are convertible under the
Securities  Act and to keep such  registration  effective for a period ending on
the earlier of (i) February 28, 1999 and (ii) the date upon which the  Debenture
Holders are able to resell all of the Common Stock into which the Debentures are
convertible without registration under the Securities Act. An additional 225,000
of the shares of Common Stock offered  hereby were issued or are issuable by the
Company to the  Debenture  Holders  upon  exercise  of certain of the  Company's
warrants held by the Debenture  Holders.  The Debenture  Holders  purchased such
warrants in November  1995 from a holder who received  warrants from the Company
in  connection  with a loan by such holder to the Company.  The warrants held by
the Debenture  Holders  initially are exercisable at a price of $1.375 per share
that is subject to a downward  adjustment upon the occurrence of certain events.


                                     - 12 -
<PAGE>
Such warrants also contain certain  anti-dilution  provisions  which may require
the  Company  to adjust the  exercise  price and to issue  additional  shares of
Common  Stock upon the  exercise  thereof.  The Company  agreed to register  the
Common Stock for which such warrants are  exercisable  under the Securities Act.
The  table  below  sets  forth the name of each  Debenture  Holder  and  certain
information with respect to the beneficial  ownership of Common Stock and number
of shares of Common Stock offered by each Debenture Holder.

         3,456,536 of the shares of Common Stock  offered  hereby were issued or
are issuable by the Company to holders (the  "Warrantholders")  upon exercise of
warrants  of the  Company  (the  "Warrants").  The  Warrants  were issued by the
Company  between  October  1994  and  April  1996 in  consideration  of  certain
financial  and  consulting  services  performed for the Company or in connection
with loans to the Company.  The Warrants  initially  are  exercisable  at prices
ranging from $1.375 to $3 per share.  Certain of the Warrants contain adjustment
provisions which may result in a downward  adjustment in the exercise price upon
the occurrence of certain  events.  Certain of the Warrants also contain certain
anti-dilution  provisions  which may require the Company to adjust the  exercise
price and to issue additional  shares of Common Stock upon the exercise thereof.
In connection with the issuance of the Warrants,  the Company agreed to register
the Common  Stock for which the Warrants are  exercisable  under the  Securities
Act.  The table  below sets  forth the name of each  Warrantholder  and  certain
information with respect to the beneficial  ownership of Common Stock and number
of shares of Common Stock offered by each Warrantholder.

         115,000 of the shares of Common Stock offered hereby were issued or are
issuable  by the  Company to holders  (the  "Optionholders")  upon  exercise  of
options granted by the Company (the "Options").  The Options were granted by the
Company  between  January  1993  and  April  1996 in  consideration  of  certain
consulting  services  performed  for the  Company by the  holders  thereof.  The
Options are exercisable at prices ranging from $1.4375 to $4.5625 per share. The
Options  also contain  certain  anti-dilution  provisions  which may require the
Company to issue  additional  shares of Common Stock upon the exercise  thereof.
The  Company  agreed to  register  the Common  Stock for which the  Options  are
exercisable  under the  Securities  Act.  The table below sets forth the name of
each  Optionholder  and  certain  information  with  respect  to the  beneficial
ownership of Common  Stock and number of shares of Common Stock  offered by each
Optionholder.

         826,000 of the shares of Common Stock offered hereby were issued by the
Company to certain  stockholders  (the "Private  Placement  Stockholders")  in a
private  placement  completed  February  1996.  In  connection  with the private
placement, the Company agreed to register the Common Stock issued in the private
placement  under the Securities Act. The table below sets forth the name of each
Private  Placement  Stockholder  and  certain  information  with  respect to the
beneficial  ownership  of  Common  Stock and  number  of shares of Common  Stock
offered by each Private Placement Stockholder.

         200,100 of the shares of Common  Stock  offered  hereby were or will be
issued by the Company to certain other holders (the "Other Holders").  10,000 of
such shares of Common  Stock will be issued to Kien-Tsai  Chen in  consideration
for services  performed for the Company.  Certain of the Other Holders  received
shares of Common Stock in connection with such Other Holders' exercise,  between
June 1994 and January 1995, of options  purchased from persons who received such
options from the Company in connection with certain loans made to the Company in
1985. One of the Other Holders,  Jay Levy, is one of the founders of the Company


                                     - 13 -
<PAGE>
and currently  serves as the Chairman of the Board of Directors and Treasurer of
the Company. Mr. Levy acquired the 109,350 shares of Common Stock offered hereby
on June 21, 1994 for  $150,000  upon the  exercise of a stock  option  which was
granted to him in  connection  with a loan by him to the  Company  in 1984.  The
table  below sets  forth  certain  information  with  respect to the  beneficial
ownership of Common  Stock and number of shares of Common Stock  offered by each
Other Holder.

         This Prospectus  covers any additional  shares of Common Stock that are
issued  pursuant to the  conversion  of the  Debentures  or the  exercise of the
Warrants,  the Options the other outstanding warrants described herein by reason
of the anti-dilution provisions thereof.

         Other than as described above, none of the Selling Shareholders has had
any position,  office or other material  relationship with the Company or any of
its predecessors or affiliates  within the past three years. The following table
sets forth as of May 15, 1996, with respect to each Selling  Shareholder:  name,
number of shares of Common Stock  beneficially  owned (including any shares into
which the Debentures  are  immediately  convertible  and for which the Warrants,
Options and other outstanding warrants are immediately  exercisable),  number of
shares of Common  Stock to be offered and number of shares of Common Stock to be
held  following  the  offering,  assuming  the sale of all of the  Common  Stock
offered hereby. The Company may amend or supplement this Prospectus from time to
time to update the  disclosure  set forth  herein or to  disclose  the names and
relationships  to the  Company of  additional  Selling  Shareholders  (including
persons or entities who may be  transferees  of the Selling  Shareholders  named
below) and the holdings of Common Stock of such additional Selling Shareholders.































                                     - 14 -
<PAGE>
<TABLE>
<CAPTION>
                                               Beneficial Ownership of            Shares of Common           Beneficial Ownership of
                                                Common Stock Prior to                Stock Being                Common Stock After
                                                       Offering                        Offered                       Offering

Name                                            Number            Percent              Number                  Number       Percent 
- ----                                            ------            -------              ------                  ------       ------- 
<S>                                            <C>                   <C>              <C>                           <C>        <C>
Debenture Holders:                                                                                                                 
                                                                                                                                   
Nelson Partners(1)                             2,397,391             8.8              2,397,391                      0          *   
Olympus Securities, Ltd.(2)                      697,174             2.7                697,174                      0          *   
                                                                                                                                   
                                                                                                                                   
Warrantholders:                                                                                                                    
                                                                                                                                   
DeJufra, Inc.                                    123,536              *                 123,536                      0          *   
Patrick Tedesco                                  224,000              *                 224,000                      0          *   
Paul Weber                                       217,500              *                 217,500                      0          *   
Bishop Rosen & Co., Inc.                         107,500              *                 107,500                      0          *   
Annette North                                     84,000              *                  84,000                      0          *   
Richard Kripaitis                                101,000              *                 101,000                      0          *   
Cornerstone Capital, Inc.                         70,000              *                  70,000                      0          *   
Thomas Redington                                 400,000             1.6                400,000                      0          *   
Michael C. Kendrick                              184,750              *                 184,750                      0          *   
P. Bradford Hathorn                               20,000              *                  20,000                      0          *   
Lance T. Bury                                     20,000              *                  20,000                      0          *   
Gerald D. Harris                                   5,000              *                   5,000                      0          *   
Enigma Investments Limited                        12,500              *                  12,500                      0          *   
Charles Krusen                                    17,000              *                  17,000                      0          *   
Eric S. Swartz                                   184,750              *                 184,750                      0          *   
David K. Peteler                                   5,000              *                   5,000                      0          *   
Dwight B. Bronnum                                  2,500              *                   2,500                      0          *   
Robert L. Hopkins                                  2,500              *                   2,500                      0          *   
MicroCap Fund, Inc.                              675,000             2.7                675,000                      0          *   
Reseau de Voyages Sterling, Inc.               1,000,000             3.9              1,000,000                      0          *   
                                                                                                                            

Optionholders:

Agnes Vignery, M.D.(3)                           110,000              *                 110,000                      0          *
Marvin Moser                                       5,000              *                   5,000                      0          *















                                     - 15 -
<PAGE>
<CAPTION>
                                               Beneficial Ownership of            Shares of Common           Beneficial Ownership of
                                                Common Stock Prior to                Stock Being                Common Stock After
                                                       Offering                        Offered                       Offering

Name                                            Number            Percent              Number                  Number       Percent 
- ----                                            ------            -------              ------                  ------       ------- 
<S>                                            <C>                   <C>              <C>                           <C>        <C>
Private Placement Stockholders:

H.T. Ardinger, Jr.                               250,000             1.0                250,000                      0          *
Jerome Berkowitz                                  40,000              *                  40,000                      0          *
James Sanderson                                   50,000              *                  50,000                      0          *
Richard Garrett                                   10,000              *                  10,000                      0          *
Stanley Aber                                      12,000              *                   6,000                  6,000          *
Michael Samuel                                    14,565              *                   5,000                  9,565          *
Sylvia Bond                                       25,000              *                  25,000                      0          *
Leonard Leff                                      48,500              *                  25,000                 23,500          *
Herb Fisher Trust                                150,000              *                  50,000                100,000          *
Richard Scagnelli                                  5,000              *                   5,000                      0          *
Richard & Vilma Scagnelli (Jt. Ten.)              30,000              *                   5,000                 25,000          *
Hamdi A. Al-Alami                                100,000              *                 100,000                      0          *
Manny Siegman                                     50,000              *                  50,000                      0          *
Raymond Sales                                    267,000             1.1                 55,000                212,000          *
Benedict Morelli                                 165,000              *                  20,000                145,000          *
Charles A. Barnes, Jr. Trust                      76,300              *                  20,000                 56,300          *
Douglas Tygielski                                119,800              *                 110,000                  9,800          *


Other Holders:

Kien-Tsai Chen                                    10,000              *                  10,000                      0          *
Jay Levy(4)                                      439,950             1.8                109,350                330,600         1.3
A. Martin Randall                                 50,000              *                  20,000                 30,000          *
Mario Taverna                                    334,250             1.3                 60,750                273,500         1.1
</TABLE>
- --------------------
* Less than one percent.

(1)  Includes   2,217,391  shares   immediately   issuable  upon  conversion  of
     Debentures  and  180,000  shares  immediately  issuable  upon  exercise  of
     outstanding warrants.

(2)  Includes 652,174 shares immediately  issuable upon conversion of Debentures
     and  45,000  shares  immediately  issuable  upon  exercise  of  outstanding
     warrants.

(3)  Includes  100,000  shares  issuable to Dr.  Vignery  upon  satisfaction  of
     certain conditions.

(4)  Does not include  200,000  shares of Common  Stock held by a trust in which
     Mr. Levy has a pecuniary interest.






                                     - 16 -
<PAGE>
                              PLAN OF DISTRIBUTION

         The purpose of this  Prospectus is to permit the Selling  Shareholders,
if they  desire,  to  dispose  of some or all of the shares at such times and at
such prices as they choose. Whether sales of shares will be made, and the timing
and  amount of any sale  made,  is within  the sole  discretion  of the  Selling
Shareholders.

         The Common  Stock  covered by this  Prospectus  may be offered for sale
from time to time by the  Selling  Shareholders  to or through  underwriters  or
directly  to  other   purchasers  or  through  agents  in  one  or  more  market
transactions,  in one or more private  transactions  or in a combination of such
methods of sale, at prices then prevailing,  at prices related to such prices or
at  negotiated  prices.  Such  methods  of  distribution  may  include,  without
limitation: (a) a block trade in which the broker-dealer so engaged will attempt
to sell the Common  Stock as agent but may  position and resell a portion of the
block  as  a  principal  to  facilitate  the  transaction;  (b)  purchases  by a
broker-dealer  as a  principal  and  resale  by such  broker-dealer  for its own
account pursuant to this  Prospectus;  (c) ordinary  brokerage  transactions and
transactions  in which the  broker  solicits  purchasers;  and (d)  face-to-face
transactions  between  sellers and purchasers  without a broker or dealer.  This
Prospectus  may be  amended  and  supplemented  from time to time to  describe a
specific plan of distribution.

         In connection with distributions of the Common Stock or otherwise,  the
Selling  Shareholders may enter into hedging transactions with broker-dealers or
other   financial   institutions.   In   connection   with  such   transactions,
broker-dealers  or other  financial  institutions  may engage in short  sales of
Common  Stock in the course of hedging the  positions  they assume with  Selling
Shareholders.  The Selling  Shareholders  may also sell  Common  Stock short and
redeliver the shares to close out such short positions. The Selling Shareholders
may also enter into options or other  transactions with  broker-dealers or other
financial  institutions  which  require the  delivery to such  broker-dealer  or
financial  institution  of the Common Stock offered  hereby,  which Common Stock
such  broker-dealer or other financial  institutions may resell pursuant to this
Prospectus (as supplemented or amended to reflect such transaction). The Selling
Shareholders may also pledge the shares registered  hereunder to a broker-dealer
or other financial  institution and, upon a default, such broker-dealer or other
financial  institution  may effect sales of the pledged Common Stock pursuant to
this  Prospectus (as  supplemented or amended to reflect such  transaction).  In
addition,  any Common Stock covered by this  Prospectus  that qualifies for sale
pursuant to Rule 144 under the  Securities Act may be sold under Rule 144 rather
than pursuant to this Prospectus.

         Brokers,  dealers or agents  may  receive  compensation  in the form of
commissions, discounts or concessions from Selling Shareholders in amounts to be
negotiated in connection with sales pursuant hereto. Such brokers or dealers and
any other  participating  brokers or dealers may be deemed to be  "underwriters"
within the meaning of the Securities  Act, in connection with such sales and any
such  commission,  discount  or  concession  may be  deemed  to be  underwriting
discounts or commissions under the Securities Act.

         Certain costs, expenses and fees in connection with the registration of
the  Common  Stock  will be borne by the  Company.  Commissions,  discounts  and
transfer  taxes,  if any,  attributable to the sales of the Common Stock will be
borne by the Selling  Shareholders.  The Selling Shareholders have agreed or may


                                     - 17 -
<PAGE>
agree to indemnify the Company or any  underwriter,  as the case may be, and any
of their respective  affiliates,  directors,  officers and controlling  persons,
against certain  liabilities in connection with the offering of the Common Stock
pursuant to this Prospectus,  including liabilities arising under the Securities
Act. In addition,  the Company has in some cases agreed to indemnify the Selling
Shareholders or any underwriter, as the case may be, and any of their respective
affiliates,   directors,  officers  and  controlling  persons,  against  certain
liabilities in connection with the offering of the Common Stock pursuant to this
Prospectus, including liabilities arising under the Securities Act.

         The  Company has agreed to supply the  Selling  Shareholders  with such
number of copies of this Prospectus as they may reasonably request.  The Selling
Shareholders  will in all cases be responsible for complying with the prospectus
delivery  requirements  of Section  5(b)(2) of the  Securities Act in connection
with the offering and sale of the shares.


                                  LEGAL MATTERS

         Certain legal matters in connection with the securities  offered hereby
are being passed upon for the Company by Covington & Burling,  Washington,  D.C.
and by Becker Ross Stone DeStefano & Klein,  New York, N.Y. The wife of James J.
Ross,  an  attorney  who is of counsel to Becker  Ross Stone  DeStefano & Klein,
holds a one-third interest in a family partnership which is the beneficial owner
of 18,225 shares of the Company's Common Stock.


                                     EXPERTS

         The audited financial  statements of Unigene  Laboratories,  Inc. as of
December  31,  1995 and 1994 and for each of the years in the three year  period
ended December 31, 1995  incorporated  by reference in this Prospectus have been
incorporated  by  reference  herein  in  reliance  upon the  report of KPMG Peat
Marwick LLP, independent certified public accountants, incorporated by reference
herein,  and upon the  authority  of said  firm as  experts  in  accounting  and
auditing.






















                                     - 18 -
<PAGE>
                                     PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS



Item 14.  Other Expenses of Issuance and Distribution*

         The expenses  payable by the Registrant in connection with the issuance
and  distribution  of  the  securities  being  registered   hereby  (other  than
underwriting discounts and commissions) are set forth below:


Securities and Exchange Commission Registration Fee.................. $ 12,312
Nasdaq Listing Fee...................................................   34,020
Blue Sky Fees and Expenses...........................................        0
Accounting Fees and Expenses.........................................    2,000
Legal Fees and Expenses..............................................   35,000
Registrar and Transfer Agent's Fees and Expenses.....................        0
Miscellaneous Expenses...............................................    1,000
Printing Costs.......................................................        0

                   Total ............................................ $ 84,332

- ----------------------------------
*Except for the  Securities  and Exchange  Commission  registration  fee and the
 Nasdaq listing fee all expenses are estimated.



Item 15.  Indemnification of Directors and Officers

         Article VI of the Company's  By-Laws  requires the Company to indemnify
each of its  directors  and  officers to the extent  permitted  by the  Delaware
General  Corporation  Law (the "DGCL").  Section 145 of the DGCL provides that a
corporation may indemnify any person, including any officer or director, who was
or is a party or who is threatened to be made a party to any threatened, pending
or completed action, suit or proceeding, whether civil, criminal, administrative
or investigative  (other than an action by or in the right of the  corporation),
by reason of the fact that he is or was a director,  officer,  employee or agent
of the  corporation or is or was serving at the request of the  corporation as a
director, officer, employee or agent of another corporation,  partnership, joint
venture,  trust or other  enterprise,  against  expenses  (including  attorneys'
fees), judgments, fines and amounts paid in settlement,  actually and reasonably
incurred by such person, if he acted in good faith and in a manner he reasonably
believed to be in or not opposed to the best interests of the  corporation  and,
with respect to any criminal  action or proceeding,  had no reasonable  cause to
believe his conduct was unlawful.  In any threatened pending or completed action
by or in the right of the  corporation,  a  corporation  also may  indemnify any
director,  officer, employee or agent for costs actually and reasonably incurred
by him in connection  with the defense or settlement of the action,  if he acted
in good faith and in a manner reasonably believed to be in or not opposed to the
best interests of the corporation;  however, no indemnification may be made with
respect to any claim,  issue or matter as to which such  person  shall have been
adjudged to be liable to the  corporation,  unless and only to the extent that a
court shall determine that such indemnity is proper. Where a director,  officer,


                                      II-1
<PAGE>
employee or agent is successful on the merits or otherwise in the defense of any
action  referred to above,  the corporation is required to indemnify such person
against  the  expenses  (including  attorneys'  fees)  actually  and  reasonably
incurred.

         The Company's Certificate of Incorporation  provides that its directors
shall not be liable for monetary  damages to the Company or its stockholders for
breach of the directors' fiduciary duty as directors.  However, each director is
subject to liability for breach of the director's duty of loyalty to the Company
or its  stockholders,  for acts or  omissions  not in good  faith  or  involving
intentional  misconduct  or knowing  violations  of law, for actions  leading to
improper  personal  benefit to the  director,  and for payment of  dividends  or
approval of stock  repurchases or  redemptions  that are unlawful under Delaware
law.


Item 16.  Exhibits

4.1      Certificate   of   Incorporation   and  Amendments  to  Certificate  of
         Incorporation  (incorporated  by reference to Exhibits 3.1 and 3.1.1 to
         Company's Registration Statement No. 33-6877 on Form S-1).

4.2      By-Laws.* (incorporated  by  reference  to  Exhibit  3.2  to  Company's
         Registration Statement No. 33-6877 on Form S-1).

5.1      Opinion of  Covington  & Burling as to the  legality  of certain of the
         shares being  registered.*

5.2      Opinion of Becker Ross Stone  DeStefano  & Klein as to the  legality of
         certain of the shares being registered.*

23.1     Consent of Independent Certified Public Accountants.

23.2     Consent of Covington & Burling  (included  in opinion  filed as Exhibit
         5.1).

23.3     Consent of Becker  Ross Stone  DeStefano & Klein  (included  in opinion
         filed as Exhibit 5.2).

24.1     Powers of Attorney of Directors of Unigene Laboratories, Inc. (included
         on page II-6).

- ----------------------------------

*        To be filed by amendment.


Item 17.  Undertakings

         The undersigned Registrant hereby undertakes:

         (1)      To file,  during any period in which offers or sales are being
                  made,  a   post-effective   amendment   to  the   Registration
                  Statement:

                  (i)      To  include  any   prospectus   required  by  section
                           10(a)(3) of the Securities Act of 1933;


                                      II-2
<PAGE>
                  (ii)     To  reflect  in the  prospectus  any  facts or events
                           arising after the effective date of the  registration
                           statement   (or  the   most   recent   post-effective
                           amendment  thereof)  which,  individually  or in  the
                           aggregate,  represent  a  fundamental  change  in the
                           information set forth in the registration  statement.
                           Notwithstanding   the  foregoing,   any  increase  or
                           decrease  in volume  of  securities  offered  (if the
                           total dollar value of  securities  offered  would not
                           exceed that which was  registered)  and any deviation
                           from  the low or high  end of the  estimated  maximum
                           offering  range  may  be  reflected  in the  form  of
                           prospectus filed with the Commission pursuant to Rule
                           424(b) if, in the  aggregate,  the  changes in volume
                           and price  represent no more than a 20% change in the
                           maximum  aggregate  offering  price  set forth in the
                           "Calculation  of  Registration   Fee"  table  in  the
                           effective registration statement.

                  (iii)    To include any material  information  with respect to
                           the plan of distribution not previously  disclosed in
                           the registration  statement or any material change to
                           such information in the registration statement;

                  Provided, however, That paragraphs (a)(1)(i) and (a)(1)(ii) of
                  this  section do not apply if the  information  required to be
                  included in a post-effective  amendment by those paragraphs is
                  contained in periodic  reports  filed with or furnished to the
                  Commission by the Registrant pursuant to section 13 or section
                  15(d)  of  the  Securities  Exchange  Act  of  1934  that  are
                  incorporated by reference in the registration statement.

         (2)      That, for the purpose of determining  any liability  under the
                  Securities  Act of 1933,  each such  post-effective  amendment
                  shall be deemed to be a new registration statement relating to
                  the  securities  offered  therein,  and the  offering  of such
                  securities at that time shall be deemed to be the initial bona
                  fide offering thereof.

         (3)      To  remove  from  registration  by means  of a  post-effective
                  amendment any of the securities  being registered which remain
                  unsold at the termination of the offering.

         The  undersigned  Registrant  hereby  undertakes  that, for purposes of
determining  any liability  under the Securities Act of 1933, each filing of the
Registrant's  annual  report  pursuant to section  13(a) or section 15(d) of the
Securities  Exchange  Act of 1934  (and,  where  applicable,  each  filing of an
employee  benefit  plan's  annual  report  pursuant  to  Section  15(d)  of  the
Securities  Exchange  Act of 1934)  that is  incorporated  by  reference  in the
Registration  Statement  shall  be  deemed  to be a new  Registration  Statement
relating to the securities offered therein,  and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.






                                      II-3
<PAGE>
         Insofar as indemnification for liabilities arising under the Securities
Act of 1933  ("Act") may be  permitted  to  directors,  officers or  controlling
persons of the Registrant by charter,  by-law,  contract,  statute or otherwise,
the  Registrant  has been advised  that,  in the opinion of the  Securities  and
Exchange Commission,  such indemnification is against public policy as expressed
in the Act and is,  therefore,  unenforceable.  In the  event  that a claim  for
indemnification  against  such  liabilities  (other  than  the  payment  by  the
Registrant of expenses  incurred or paid by a director,  officer or  controlling
person of the  Registrant  in the  successful  defense  of any  action,  suit or
proceeding)  is  asserted by such  director,  officer or  controlling  person in
connection with the securities being registered,  the Registrant will, unless in
the opinion of its counsel the matter has been settled by controlling precedent,
submit  to a  court  of  appropriate  jurisdiction  the  question  whether  such
indemnification  by it is against public policy as expressed in the Act and will
be governed by the final adjudication of such issue.











































                                      II-4
<PAGE>
                                   SIGNATURES


         Pursuant to the  requirements  of the  Securities Act of 1933 certifies
that it has reasonable  grounds to believe that it meets all of the requirements
for filing on Form S-3 and the  Registrant  has duly  caused  this  Registration
Statement  to be  signed  on  its  behalf  by  the  undersigned  thereunto  duly
authorized, in Fairfield, New Jersey, on the 24th day of May, 1996.


                                     UNIGENE LABORATORIES, INC.


                                     By /s/ WARREN P. LEVY
                                        ----------------------------
                                        Warren P. Levy, President


         KNOW ALL MEN BY THESE  PRESENTS that each of the  undersigned  officers
and directors of the Registrant  hereby  constitutes and appoints Warren P. Levy
and  Ronald  S.  Levy or any of them  (with  full  power  to each of them to act
alone),  his true and lawful  attorneys-in-fact  and agents,  with full power of
substitution, for him and on his behalf and in his name, place and stead, in any
and  all  capacities,  to  execute  and  file  any or  all  amendments  to  this
Registration Statement (including, without limitation, post-effective amendments
and any amendment or amendments  increasing  the amount of securities  for which
registration  is being  sought)  with  all  exhibits  and any and all  documents
required to be filed with  respect  thereto,  with the  Securities  and Exchange
Commission or any regulatory authority, granting unto such attorneys-in-fact and
agents,  and each of them,  full power and  authority to do and perform each and
every act and thing requisite and necessary to be done in and about the premises
in order to  effectuate  the same as fully to all  intents  and  purposes  as he
himself might or could do if personally present, hereby ratifying and confirming
all that such  attorneys-in-fact and agents, or any of them, or their substitute
or substitutes, may lawfully do or cause be done.























                                      II-5
<PAGE>
         Pursuant to the requirements of the Securities Act of 1933, as amended,
this  Registration  Statement has been signed below by the following  persons in
the capacities and on the dates indicated:

Signature
- ---------
Title
- -----
Date
- ----


/s/ WARREN P. LEVY
- ----------------------------------
Warren P. Levy


Director, President
(principal executive officer)


May 24, 1996


/s/ RONALD S. LEVY
- ----------------------------------
Ronald S. Levy

Director, Vice President

May 24, 1996


/s/ JAY LEVY
- ----------------------------------
Jay Levy

Chairman of the Board of Directors,
Treasurer (principal financial and
accounting officer)

May 24, 1996


/s/ ROBERT RUARK
- ----------------------------------
Robert Ruark

Director

May 24, 1996

/s/ GEORGE M. WEIMER
- ----------------------------------
George M. Weimer

Director

May 24, 1996
                                      II-6

                                                                    EXHIBIT 23.1

CONSENT OF INDEPENDENT AUDITORS


The Board of Directors
Unigene Laboratories, Inc.:

         We consent  to the  incorporation  by  reference  in this  Registration
Statement  on Form S-3 of Unigene  Laboratories,  Inc. of our report dated March
22, 1996,  relating to the balance  sheets of Unigene  Laboratories,  Inc. as of
December  31,  1995  and  1994  and  the  related   statements  of   operations,
stockholders'  equity,  and cash  flows for each of the years in the  three-year
period  ended  Decenber 31, 1995 which  reports  appear in the December 31, 1995
annual report on Form 10-K of Unigene  Laboratories,  Inc. which is incorporated
herein by reference and to the reference to our firm under the heading "Experts"
in the Prospectus.

         Our report dated March 22, 1996 contains an explanatory  paragraph that
states that the Company has suffered  recurring losses from operations and has a
net working capital deficiency,  which raise substantial doubt about its ability
to continue as a going  concern.  The  financial  statements  do not include any
adjustment that might result from the outcome of this uncertainty.

                                                           KPMG PEAT MARWICK LLP

New York, New York
May 24, 1996


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