IP Verse

Kaken Pharmaceutical competitive analysis

Explore the latest publications and patents granted to Kaken Pharmaceutical, showcasing their recent innovations and technological advancements.

Last updated on: Oct 15, 2025

Publication Number	Publication Date	Title	Legal Status
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EP2789607	Feb 7, 2018	Pyridone Derivative And Medicine Containing Same	No Opposition Filed Within Time Limit
EP2353547	Jan 17, 2018	Agent For Regenerating Tympanic Membrane Or External Auditory Canal	No Opposition Filed Within Time Limit

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

Last updated on: Oct 21, 2025

Proceeding Number	Filing Date	Petitioner	Respondent	Status
Get alerts for PTAB Cases involving Kaken Pharmaceutical
IPR2017-01429	May 12, 2017	ARGENTUM PHARMACEUTICALS	KAKEN PHARMACEUTICAL	Terminated-Settled
IPR2017-00190	Nov 2, 2016	ACRUX DDS	KAKEN PHARMACEUTICAL	Final Written Decision

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

Last updated on: Oct 16, 2025

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
KAKEN PHARMACEUTICAL	-	-	-	2
ACRUX DDS	-	-	1	-
ARGENTUM PHARMACEUTICALS	-	-	12	-