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December 7, 2000
GenVec, Inc.
65 West Watkins Mill Road
Gaithersburg, MD 20878
Re: Consent
Dear Gentlemen:
Leydig, Voit & Mayer, Ltd. hereby consents to the use of its name under
the caption "Experts" in the Registration Statement of GenVec, Inc., on Form S-1
filed with the Securities and Exchange Commission on October 5, 2000 and amended
on November 14, 2000, November 28, 2000, and December 7, 2000.
As stated in the Registration Statement, Leydig, Voit & Mayer, Ltd., as
intellectual property counsel to GenVec, Inc., and as an expert on such matters,
has reviewed and approved certain statements in the Prospectus. These statements
are limited specifically to the statements regarding intellectual property
rights included in the Prospectus under the captions "Risk Factors -- Risks
Related to Our Industry -- If we are unable to adequately protect our
intellectual property rights, our competitors may be able to take advantage of
our research and development efforts to compete with us," "-- If our potential
products conflict with intellectual property rights of competitors, universities
or others, then we may be unable to develop and commercialize those product
candidates," "-- If our right to use intellectual property we license from
others is affected, our ability to develop and commercialize our product
candidates may be harmed," and "Business -- Patents and Proprietary Rights."
Very truly yours,
LEYDIG, VOIT & MAYER, LTD.
By: /s/ John Kilyk, Jr.
John Kilyk, Jr.
JKJ/pz
