IP Verse

Celgard competitive analysis

Latest publications and patents of Celgard New

Explore the latest publications and patents granted to Celgard, showcasing their recent innovations and technological advancements.

Last updated on: Sep 26, 2025

Publication Number	Publication Date	Title	Legal Status
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EP2544841	Jul 7, 2021	Biaxially Oriented Porous Membranes, Composites, And Methods Of Manufacture And Use	Patent Maintained As Amended

Latest patents of Celgard opposed by its competitors

Explore Celgard'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: Oct 2, 2025

Patent Number	Grant Date	Title	Total Oppositions
EP2544841	Jul 7, 2021	Biaxially Oriented Porous Membranes, Composites, And Methods Of Manufacture And Use	1

Latest PTAB cases involving Celgard

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

Last updated on: Oct 2, 2025

Proceeding Number	Filing Date	Petitioner	Respondent	Status
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IPR2015-01511	Jun 25, 2015	UBE MAXELL	CELGARD	Institution Denied
IPR2014-00680	May 9, 2014	SK INNOVATION	CELGARD	Final Written Decision
IPR2014-00679	May 9, 2014	SK INNOVATION	CELGARD	Final Written Decision
IPR2014-00692	Apr 25, 2014	LG CHEM	CELGARD	Final Written Decision
IPR2014-00524	Mar 20, 2014	MITSUBISHI PLASTICS	CELGARD	Final Written Decision

Peer Comparison New

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

Last updated on: Oct 2, 2025

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced	Strategy Type
CELGARD	-	1	-	5	Non-Active
LG CHEM	-	61	3	14	Defensive
MITSUBISHI PLASTICS	-	-	1	-	Highly Aggressive
SK INNOVATION	-	1	10	2	Highly Aggressive