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Last Updated: March 26, 2026

Litigation for Patent 8,329,172

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Patent Trial and Appeal Board Cases for Patent 8,329,172

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Patent	Petitioner	Status	Filing Date	Accorded Filing Date	Patent Owner	Trial Type	Trial Number	Decision Date	Inventor	Document Download
8,329,172	Boehringer Ingelheim Pharmaceuticals, Inc. et al.	⤷ Start Trial	2014-12-15	01-15-2015	Biogen Inc.	Inter partes review	⤷ Start Trial	07-13-2015	ANTONIO GRILLO-LOPEZ	⤷ Start Trial
8,329,172	Celltrion Inc. et al.	⤷ Start Trial	2017-03-15	03-15-2017	GRILLO-LOPEZ, ANTONIO J.	Inter partes review	⤷ Start Trial	10-06-2017		⤷ Start Trial
8,329,172	Pfizer, Inc.	⤷ Start Trial	2017-04-21	04-21-2017		Inter partes review	⤷ Start Trial	11-13-2017		⤷ Start Trial
8,329,172	Pfizer, Inc.	⤷ Start Trial	2017-12-14	12-14-2017	GRILLO-LOPEZ, ANTONIO J.	Inter partes review	⤷ Start Trial	07-09-2018		⤷ Start Trial
>Patent	>Petitioner	>Status	>Filing Date	>Accorded Filing Date	>Patent Owner	>Trial Type	>Trial Number	>Decision Date	>Inventor	>Document Download

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