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Last Updated: December 12, 2025

PTAB Cases for Patent Owner: Daiichi Sankyo Co., Ltd.

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Patent Trial and Appeal Board Cases for Patent Owner: Daiichi Sankyo Co., Ltd.

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Patent	Petitioner	Status	Filing Date	Accorded Filing Date	Patent Owner	Trial Type	Trial Number	Decision Date	Inventor	Document Download
8,404,703	Lupin, Ltd. et al.	⤷ Get Started Free	2015-10-05	10-05-2015	Daiichi Sankyo Co., Ltd.	Inter partes review	⤷ Get Started Free	01-19-2016	Fumitoshi Asai	⤷ Get Started Free
8,569,325	Lupin, Ltd. et al.	⤷ Get Started Free	2015-10-05	10-05-2015	Daiichi Sankyo Co., Ltd.	Inter partes review	⤷ Get Started Free	01-19-2016	Fumitoshi Asai	⤷ 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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