Legal Opinion

Regeneron Pharmaceuticals, Inc. v. Mylan Pharmaceuticals Inc.

Court of Appeals for the Federal Circuit

Decided March 14, 2025No. 24-2351PublishedCited by 8 opinions

1Opinion of the Court

Case: 24-2351 Document: 64 Page: 1 Filed: 03/14/2025 United States Court of Appeals for the Federal Circuit ______________________ REGENERON PHARMACEUTICALS, INC., Plaintiff-Appellant v. MYLAN PHARMACEUTICALS INC., AMGEN USA, INC., BIOCON BIOLOGICS INC., CELLTRION, INC., FORMYCON AG, SAMSUNG BIOEPIS CO., Defendants AMGEN INC., Defendant-Appellee ______________________ 2024-2351 ______________________ Appeal from the United States District Court for the Northern District of West Virginia in Nos. 1:22-cv-00061- TSK-JPM, 1:23-cv-00089-TSK-JPM, 1:23-cv-00094-TSK- JPM, 1:23-cv-00097-TSK-JPM,…

2Cases cited15 opinions

  1. MARKMAN Et Al. v. WESTVIEW INSTRUMENTS, INC., Et Al.Supreme Court of the United States · 1996
  2. Edward H. Phillips v. Awh Corporation, Hopeman Brothers, Inc., and Lofton Corporation, Defendants-CrossCourt of Appeals for the Federal Circuit · 2006
  3. Genentech, Inc. v. Novo Nordisk, A/s, Novo Nordisk of North America, Inc. And Novo Nordisk Pharmaceuticals, Inc.Court of Appeals for the Federal Circuit · 1997
  4. Intel Corporation v. Via Technologies, Inc., a California Corporation, via Technologies, Inc., a Taiwan Corporation, Defendants-CrossCourt of Appeals for the Federal Circuit · 2003
  5. Netword, LLC v. Centraal CorporationCourt of Appeals for the Federal Circuit · 2001

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3Cited by8 opinions

  1. Advanced Accelerator Applications USA, Inc. v. Lantheus Medical Imaging, Inc.District Court, D. Delaware · 2025
  2. Advanced Accelerator Applications, USA, Inc., and Advanced Accelerator Applications, SA v. Lantheus Medical Imaging, Inc., Lantheus Holdings, Inc.; Advanced Accelerator Applications, USA, Inc., and Advanced Accelerator Applications, SA v. Curium US LLC, Curium US Holdings LLC, Curium Netherlands BV, and Curium International Trading BVDistrict Court, D. Delaware · 2026
  3. Magnolia Medical Technologies, Inc. v. Kurin, Inc.Court of Appeals for the Federal Circuit · 2026
  4. Maschio Gaspardo S.p.A. v. Precision Planting, LLCDistrict Court, D. Delaware · 2025
  5. Nevakar Injectables, Inc. and Long Grove Pharmaceuticals, LLC v. Inforlife SA and WG Critical Care, LLCDistrict Court, D. New Jersey · 2026

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