Polypore competitive analysis

Latest PTAB cases involving Polypore

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

Last updated on: Feb 3, 2026
Proceeding NumberFiling DatePetitionerRespondentStatus

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IPR2013-00637Sep 30, 2013SUMITOMO CHEMICALPOLYPOREInstitution Denied

Peer Comparison New

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

Last updated on: Jan 29, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
POLYPORE - - - 1
SUMITOMO CHEMICAL - 41 -