IP Verse

Clark Filter competitive analysis

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

Last updated on: Feb 4, 2026

Proceeding Number	Filing Date	Petitioner	Respondent	Status
Get alerts for PTAB Cases involving Clark Filter
IPR2016-00982	Apr 29, 2016	CLARK FILTER	CAMFIL USA	Institution Denied
IPR2016-00987	Apr 29, 2016	CLARK FILTER	CAMFIL USA	Institution Denied

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

Last updated on: Feb 5, 2026

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
CLARK FILTER	-	-	2	-
CAMFIL USA	-	-	-	2