Mitsubishi Plastics competitive analysis

Explore Mitsubishi Plastics's recently opposed patents, revealing key competitive challenges and strategic patent disputes in the industry. Track oppositions filed by competitors to understand technology battlegrounds and assess potential risks.

Last updated on: Sep 10, 2026
Patent NumberPublication DateTitleTotal Oppositions
Jan 4, 2017Porous Polypropylene Resin Film, Cell Separator, And Cell1
Feb 25, 2015Laminated Porous Film, Separator For Lithium Cell And Cell1

Latest PTAB cases involving Mitsubishi Plastics

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

Last updated on: Sep 10, 2026
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving Mitsubishi Plastics

IPR2014-00524Mar 20, 2014MITSUBISHI PLASTICSCELGARDFinal Written Decision

Peer Comparison New

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

Last updated on: Sep 10, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
MITSUBISHI PLASTICS - 21 -
CELGARD12 - 5
TREOFAN GERMANY319 - -