Cases filed in Delaware
Bayer Intellectual Property GMBH et al v. Ascent Pharmaceuticals Inc. et al
as 1:2024cv00588
Plaintiff: Bayer Intellectual Property GMBH, Bayer Pharma AG, Bayer AG and others
Defendant: Ascent Pharmaceuticals Inc. and Hetero Labs Limited
Cause Of Action: 35 U.S.C. § 271 Patent Infringement
ZS Pharma, Inc. et al v. Ascent Pharmaceuticals Inc. et al
as 1:2023cv01188
Plaintiff: ZS Pharma, Inc. and AstraZeneca Pharmaceuticals LP
Defendant: Ascent Pharmaceuticals Inc. and Hetero Drugs Ltd.
Cause Of Action: 35 U.S.C. § 271 Patent Infringement
Astellas Pharma Inc. et al v. Ascent Pharmaceuticals, Inc.
as 1:2023cv00486
Plaintiff: Astellas Pharma Inc., Astellas Ireland Co., Ltd. and Astellas Pharma Global Development, Inc.
Defendant: Ascent Pharmaceuticals, Inc.
Cause Of Action: 35 U.S.C. § 271 Patent Infringement
ZS Pharma, Inc. et al v. Ascent Pharmaceuticals Inc. et al
as 1:2022cv01099
Plaintiff: ZS Pharma, Inc. and AstraZeneca Pharmaceuticals LP
Defendant: Ascent Pharmaceuticals Inc. and Hetero Drugs Ltd.
Cause Of Action: 35 U.S.C. § 271 Patent Infringement
Relypsa, Inc. et al v. Alkem Laboratories Ltd. et al We have downloadable decisions or orders for this case
as 1:2020cv00106
Plaintiff: Vifor (International) Ltd. and Relypsa, Inc.
Defendant: Alkem Laboratories Ltd. and Ascent Pharmaceuticals, Inc.
Cause Of Action: 35 U.S.C. § 271
In re: Kerydin (Tavaborole) Topical Solution 5% Patent Litigation
as 1:2019md02884
Counter Claimant: Glasshouse Pharmaceuticals Limited Canada
Not Classified By Court: Taro Pharmaceuticals U.S.A., Inc., Aurobindo Pharma Limited, Zydus Pharmaceuticals (USA) Inc. and others
In Re: Kerydin (Tavaborole) Topical Solution 5% Patent Litigation
Counter Defendant: Anacor Pharmaceuticals, Inc.
Cause Of Action: 35 U.S.C. § 271
Anacor Pharmaceuticals, Inc. v. Ascent Pharmaceuticals, Inc. et al
as 1:2018cv01673
Defendant: Cipla Limited, Perrigo Company plc, Taro Pharmaceuticals U.S.A., Inc. and others
Plaintiff: Anacor Pharmaceuticals, Inc.
Cause Of Action: 35 U.S.C. § 271
Purdue Pharma L.P. et al v. Ascent Pharmaceuticals, Inc.
as 1:2018cv00855
Plaintiff: Purdue Pharma L.P. , Purdue Pharmaceuticals L.P. , The P.F. Laboratories, Inc. and others
Defendant: Ascent Pharmaceuticals, Inc.
Counter_claimant: Ascent Pharmaceuticals, Inc.
Counter_defendant: Grunenthal GmbH , Purdue Pharma L.P. , Purdue Pharmaceuticals L.P. and others
Cause Of Action: 35 U.S.C. § 271
Purdue Pharma L.P. et al v. Ascent Pharmaceuticals, Inc.
as 1:2018cv00083
Plaintiff: Purdue Pharma L.P. , Purdue Pharmaceuticals L.P. , Grunenthal GmbH and others
Defendant: Ascent Pharmaceuticals, Inc.
Cause Of Action: 35 U.S.C. § 271

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