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Doronina competitive analysis

Discover the latest PTAB cases involving Doronina, highlighting their recent legal challenges and patent disputes.

Last updated on: Jul 17, 2026

Proceeding Number	Filing Date	Petitioner	Respondent	Status
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PGR2021-00042	Jan 22, 2021	DAIICHI SANKYO	DORONINA	Terminated-Adverse Judgment

IP litigation analysis comparing Doronina with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Jul 16, 2026

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
DORONINA	-	-	-	1
DAIICHI SANKYO	-	4	3	7