U.S. District Court for the Northern District of West Virginia Intellectual Property Cases
Cases 1 - 10 of 206
Salix Pharmaceuticals, Inc. et al v. Mylan Pharmaceuticals, Inc.
as 1:2025cv00024
Plaintiff:
Salix Pharmaceuticals, Inc., Salix Pharmaceuticals, Ltd., Alfasigma S.P.A. and others
Defendant:
Mylan Pharmaceuticals, Inc.
Cause Of Action: 35 U.S.C. § 145 Patent Infringement
Bausch Health Ireland Limited et al v. Mylan Pharmaceuticals Inc.
as 1:2025cv00003
Defendant:
Mylan Pharmaceuticals Inc.
Plaintiff:
Salix Pharmaceuticals, Inc. and Bausch Health Ireland Limited
Counter-Claimant:
Mylan Pharmaceuticals Inc.
Counter-Defendant:
Bausch Health Ireland Limited and Salix Pharmaceuticals, Inc.
Cause Of Action: 35 U.S.C. § 271 Patent Infringement
Regeneron Pharmaceuticals, Inc. v. Sandoz, Inc.
as 1:2024cv00085
Defendant:
Sandoz Inc.
Plaintiff:
Regeneron Pharmaceuticals, Inc.
Counter-Claimant:
Sandoz Inc.
Counter-Defendant:
Regeneron Pharmaceuticals, Inc.
Cause Of Action: 15 U.S.C. § 1126 Patent Infringement
Boehringer Ingelheim Pharmaceuticals Inc. et al v. Mylan Pharmaceuticals Inc. et al
as 1:2024cv00082
Defendant:
Mylan Pharmaceuticals Inc., Mylan Laboratories Limited and Mylan Inc.
Plaintiff:
Boehringer Ingelheim Pharma GmbH & Co. KG, Boehringer Ingelheim Pharmaceuticals Inc. and Boehringer Ingelheim International GmbH
Counter-Claimant:
Mylan Pharmaceuticals Inc., Mylan Laboratories Limited and Mylan Inc.
Counter-Defendant:
Boehringer Ingelheim Pharma GmbH & Co. KG, Boehringer Ingelheim Pharmaceuticals Inc. and Boehringer Ingelheim International GmbH
Cause Of Action: 35 U.S.C. § 271 Patent Infringement
Novo Nordisk Inc. et al v. Mylan Pharmaceuticals Inc.
as 1:2024cv00067
Defendant:
Mylan Pharmaceuticals Inc.
Plaintiff:
Novo Nordisk Inc. and Novo Nordisk A/S
Cause Of Action: 35 U.S.C. § 271 Patent Infringement
Regeneron Pharmaceuticals, Inc. v. Celltrion, Inc.
as 1:2024cv00053
Plaintiff:
Regeneron Pharmaceuticals, Inc.
Defendant:
Celltrion, Inc.
Cause Of Action: 35 U.S.C. § 145 Patent Infringement
Regeneron Pharmaceuticals, Inc. v. Amgen, Inc.
as 1:2024cv00039
Plaintiff:
Regeneron Pharmaceuticals, Inc.
Defendant:
Amgen, Inc.
Cause Of Action: 28 U.S.C. § 1338 Patent Infringement
In Re: Aflibercept Patent Litigation
as 1:2024md03103
Not Yet Classified:
AFLIBERCEPT PATENT LITIGATION
Plaintiff:
Regeneron Pharmaceuticals, Inc.
Defendant:
Mylan Pharmaceuticals, Inc., AMGEN USA, INC., BIOCON BIOLOGICS INC. and others
Cause Of Action: 28 U.S.C. § 1338 Patent Infringement
Bausch Health Ireland Limited et al v. Mylan Pharmaceuticals Inc.
as 1:2024cv00036
Plaintiff:
Bausch Health Ireland Limited and Salix Pharmaceuticals, Inc.
Defendant:
Mylan Pharmaceuticals Inc.
Cause Of Action: 35 U.S.C. § 271 Patent Infringement
Regeneron Pharmaceuticals, Inc. v. Samsung Bioepis Co., Ltd.
as 1:2023cv00106
Plaintiff:
Regeneron Pharmaceuticals, Inc.
Defendant:
Samsung Bioepis Co., Ltd.
Cause Of Action: 35 U.S.C. § 145 Patent Infringement
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