IP Verse

Tokyo Ohka Kogyo competitive analysis

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

Last updated on: Feb 3, 2026

Proceeding Number	Filing Date	Petitioner	Respondent	Status
Get alerts for PTAB Cases involving Tokyo Ohka Kogyo
PGR2022-00010	Nov 22, 2021	TOKYO OHKA KOGYO	FUJIFILM ELECTRONIC MATERIALS USA	Final Written Decision

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

Last updated on: Jan 29, 2026

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
TOKYO OHKA KOGYO	-	-	1	-
FUJIFILM ELECTRONIC MATERIALS USA	-	-	-	1