Intellectual Property Cases filed in Delaware
Cases 1 - 10 of 92
Par Pharmaceutical, Inc. et al v. Long Grove Pharmaceuticals, LLC
as 1:2023cv01412
Plaintiff: Par Pharmaceutical, Inc., Par Sterile Products, LLC and Endo Par Innovation Company, LLC
Defendant: Long Grove Pharmaceuticals, LLC
Cause Of Action: 35 U.S.C. § 271 Patent Infringement
Par Pharmaceutical, Inc. et al v. Zydus Pharmaceuticals (USA) Inc. et al
as 1:2023cv00866
Plaintiff: Par Pharmaceutical, Inc. and Epic Par Innovation Company, LLC
Defendant: Zydus Pharmaceuticals (USA) Inc. and Zydus Lifesciences Ltd.
Cause Of Action: 35 U.S.C. § 271 Patent Infringement
Par Pharmaceutical, Inc. et al v. Baxter Healthcare Corporation We have downloadable decisions or orders for this case
as 1:2023cv00358
Plaintiff: Par Pharmaceutical, Inc., Par Sterile Products, LLC and Endo Par Innovation Company, LLC
Defendant: Baxter Healthcare Corporation
Cause Of Action: 35 U.S.C. § 271 Patent Infringement
Takeda Pharmaceuticals U.S.A., Inc. v. Mylan Pharmaceuticals Inc. We have downloadable decisions or orders for this case
as 1:2019cv02216
Defendant: Mylan Pharmaceuticals Inc.
Plaintiff: Takeda Pharmaceuticals U.S.A., Inc.
3Rd Party Defendant: Hikma Pharmaceuticals International Limited and Hikma Pharmaceuticals USA Inc.
Intervenor: Par Pharmaceutical Inc.
Cause Of Action: 35 U.S.C. § 271
Par Pharmaceutical, Inc. et al v. Fresenius Kabi USA, LLC
as 1:2019cv01985
Plaintiff: Par Sterile Products, LLC, Par Pharmaceutical, Inc. and Endo Par Innovation Company, LLC
Defendant: Fresenius Kabi USA, LLC
Cause Of Action: 35 U.S.C. § 271
Par Pharmaceutical, Inc. et al v. American Regent, Inc.
as 1:2019cv01490
Defendant: American Regent, Inc.
Plaintiff: Par Sterile Products, LLC, Par Pharmaceutical, Inc. and Endo Par Innovation Company, LLC
Cause Of Action: 35 U.S.C. § 271
In re: Sitagliptin Phosphate ('708 & '921) Patent Litigation
as 1:2019md02902
Counter Defendant: Merck Sharp & Dohme Corp.
Not Classified By Court: Teva Pharmaceuticals USA, Inc., Torrent Pharma Inc., Torrent Pharmaceuticals Limited and others
Counter Claimant: Macleods Pharmaceuticals Limited
In Re: In re: Sitagliptin Phosphate ('708 & '921) Patent Litigation
Defendant: Accord Healthcare, Inc., Teva Pharmaceutical Industries Ltd., Inventia Healthcare Ltd. and others
Cause Of Action: 35 U.S.C. § 271 Patent Infringement
Keryx Biopharmaceuticals, Inc. et al v. Par Pharmaceutical, Inc.
as 1:2019cv00955
Plaintiff: Keryx Biopharmaceuticals, Inc. and Panion & BF Biotech, Inc.
Defendant: Par Pharmaceutical, Inc.
Cause Of Action: 35 U.S.C. § 271
Par Pharmaceutical, Inc. et al v. Amneal Pharmaceuticals Company GmbH et al
as 1:2019cv00712
Defendant: Amneal Pharmaceuticals of New York, LLC, Amneal Pharmaceutical Holding Company LLC, Amneal Biosciences LLC and others
Plaintiff: Par Pharmaceutical, Inc., Par Sterile Products, LLC and Endo Par Innovation Company, LLC
Cause Of Action: 35 U.S.C. § 271
Merck Sharp & Dohme Corp. v. Anchen Pharmaceuticals, Inc., et al. We have downloadable decisions or orders for this case
as 1:2019cv00311
Defendant: Par Pharmaceuticals, Inc. and Anchen Pharmaceuticals, Inc.
Plaintiff: Merck Sharp & Dohme Corp.
Cause Of Action: 35 U.S.C. § 271

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