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|Federal Appeals Court Affirms TKT Infringement; Remands Certain Validity Issues to Lower Court|
FOR IMMEDIATE RELEASE
THOUSAND OAKS, Calif. - January 6, 2003 - Amgen (Nasdaq: AMGN) today announced that the U.S. Court of Appeals for the Federal Circuit upheld the District Court's decision that TKT and Aventis infringe two of Amgen's patents relating to erythropoietin. The Appeals Court remanded the case to the District Court of Massachusetts for further consideration of certain validity issues.
The Appeals Court decision addressed TKT's and Aventis' appeal from the District Court's decision, which held three of five Amgen patents infringed, valid, and enforceable. In its decision, the Appeals Court:
In light of the Appeals Court decision affirming TKT's infringement of at least two Amgen patents and the issues to be decided on remand to the District Court, Amgen continues to believe that it will successfully enforce its patent rights against TKT and Aventis.
Because forward-looking statements involve risks and uncertainties, actual results may differ materially from current results expected by Amgen. Amgen is providing this information as of January 6, 2003 and expressly disclaims any duty to update information contained in this press release.
Amgen is a global biotechnology company that discovers, develops, manufactures and markets important human therapeutics based on advances in cellular and molecular biology.
Contact: Amgen, Thousand Oaks
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