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IP Verse

Polypore competitive analysis

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

Last updated on: Nov 13, 2025

Proceeding Number	Filing Date	Petitioner	Respondent	Status
Get alerts for PTAB Cases involving Polypore
IPR2013-00637	Sep 30, 2013	SUMITOMO CHEMICAL	POLYPORE	Institution Denied

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

Last updated on: Nov 13, 2025

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
POLYPORE	-	-	-	1
SUMITOMO CHEMICAL	-	4	1	-