Legal Opinion

Amgen Inc., Plaintiff-Cross v. Hoechst Marion Roussel, Inc. (Now Known as Aventis Pharmaceuticals, Inc.) and Transkaryotic Therapies, Inc.

Court of Appeals for the Federal Circuit

Decided March 3, 2003No. 01-1191, 01-1218PublishedCited by 318 opinions

1Opinion of the Court

MICHEL, Circuit Judge.

Plaintiff-Cross Appellant Amgen Inc. (“Amgen”) is the owner of numerous patents directed to the production of erythro-poietin (“EPO”), a naturally occurring hormone that controls the formation of red blood cells in bone marrow. Amgen markets and sells EPOGEN®, a highly successful commercial embodiment of the patented erythropoietin. Seeking to impede defendants-appellants Hoechst Marion Roussel, Inc. and Transkaryotic Therapies, Inc. (collectively “TKT”) from commercializing a competitive EPO product, Amgen filed a declaratory judgment action in the United States…

2Cases cited73 opinions

  1. MARKMAN Et Al. v. WESTVIEW INSTRUMENTS, INC., Et Al.Supreme Court of the United States · 1996
  2. Herbert Markman and Positek, Inc. v. Westview Instruments, Inc. And Althon Enterprises, Inc.Court of Appeals for the Federal Circuit · 1995
  3. Vitronics Corporation v. Conceptronic, Inc.Court of Appeals for the Federal Circuit · 1996
  4. Graver Tank & Mfg. Co. v. Linde Air Products Co.Supreme Court of the United States · 1950
  5. Cybor Corporation v. Fas Technologies, Inc., and Fastar Ltd., Defendants-CrossCourt of Appeals for the Federal Circuit · 1998

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3Cited by318 opinions

  1. Abbott Laboratories v. Sandoz, Inc.Court of Appeals for the Federal Circuit · 2009
  2. Invitrogen Corp. (Formerly Known as Life Technologies, Inc.) v. Clontech Laboratories, Inc.Court of Appeals for the Federal Circuit · 2005
  3. Whitserve, LLC v. Computer Packages, Inc.Court of Appeals for the Federal Circuit · 2012
  4. Amgen Inc. v. F. Hoffmann-La Roche Ltd.Court of Appeals for the Federal Circuit · 2009
  5. Katz v. American Airlines, Inc.Court of Appeals for the Federal Circuit · 2011

313 more not listed; retrieve them via the Exa API.

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