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Exhibit 23.1
Consent of Independent Auditors
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We consent to the reference to our firm under the caption "Experts" in the
Registration Statement (Form S-3 No. 333-00000) and related Prospectus of
Medarex, Inc. dated December 22, 2000 and to the incorporation by reference
therein of our report dated February 10, 2000, with respect to the consolidated
financial statements of Medarex, Inc. included in its Annual Report (Form 10-K)
for the year ended December 31, 1999 filed with the Securities and Exchange
Commission.
/s/ Ernst & Young LLP
MetroPark, New Jersey
December 18, 2000
