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Last Updated: December 12, 2025

PTAB Cases for Patent Owner: Endo Pharmaceuticals, Inc.

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Patent Trial and Appeal Board Cases for Patent Owner: Endo Pharmaceuticals, Inc.

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Patent	Petitioner	Status	Filing Date	Accorded Filing Date	Patent Owner	Trial Type	Trial Number	Decision Date	Inventor	Document Download
8,309,122	Amneal Pharmaceuticals, LLC	⤷ Get Started Free	2014-01-16	01-16-2014	Endo Pharmaceuticals, Inc.	Inter partes review	⤷ Get Started Free	07-25-2014	Huai-Hung Kao	⤷ Get Started Free
8,329,216	Amneal Pharmaceuticals, LLC	⤷ Get Started Free	2014-01-16	01-16-2014	Endo Pharmaceuticals, Inc.	Inter partes review	⤷ Get Started Free	07-25-2014	Haui-Hung Kao	⤷ Get Started Free
8,329,216	Amneal Pharmaceuticals, LLC	⤷ Get Started Free	2014-08-22	08-22-2014	Endo Pharmaceuticals, Inc.	Inter partes review	⤷ Get Started Free	02-04-2015	Haui-Hung Kao	⤷ Get Started Free
>Patent	>Petitioner	>Status	>Filing Date	>Accorded Filing Date	>Patent Owner	>Trial Type	>Trial Number	>Decision Date	>Inventor	>Document Download

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