Cases filed in Delaware
Astellas Pharma Inc. et al v. Prinston Pharmaceutical Inc. et al
as 1:2021cv01771
Plaintiff: Astellas Pharma Inc., Astellas Ireland Co., Ltd. and Astellas Pharma Global Development, Inc.
Defendant: Prinston Pharmaceutical Inc., Zhejiang Huahai Pharmaceutical Co. Ltd., Huahai US Inc. and others
Cause Of Action: 35 U.S.C. § 271
Astellas Pharma Inc. et al v. Sandoz Inc. et al We have downloadable decisions or orders for this case
as 1:2020cv01589
Defendant: Sawai Pharmaceutical Co., Ltd., Cadila Healthcare Ltd. doing business as Zydus Cadila, Apotex Inc. and others
Plaintiff: Astellas Pharma Inc., Astellas Ireland Co., Ltd. and Astellas Pharma Global Development, Inc.
Cause Of Action: 35 U.S.C. § 271 Patent Infringement
Pfizer Inc. et al v. Prinston Pharmaceutical Inc. et al
as 1:2017cv00213
Plaintiff: Pfizer Inc. , PF Prism C.V. and C.P. Pharmaceuticals International C.V.
Defendant: Prinston Pharmaceutical Inc. , Zhejiang Huahai Pharmaceutical Co., Ltd., Huahai US Inc. and others
Cause Of Action: 35 U.S.C. § 271
Astellas Pharma Inc. et al v. Prinston Pharmaceutical Inc. et al
as 1:2016cv00943
Plaintiff: Astellas Pharma Inc. , Astellas Ireland Co., Ltd. and Astellas Pharma Global Development, Inc.
Defendant: Prinston Pharmaceutical Inc. , Zhejiang Huahai Pharmaceutical Co., Ltd. , Huahai US Inc. and others
Cause Of Action: 35 U.S.C. § 271

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