IP Verse

Denka competitive analysis

Latest oppositions filed by Denka

Explore patent oppositions filed by Denka against competitors, revealing strategic technology disputes and market positioning.

Last updated on: Sep 3, 2026
Patent NumberTitleApplicantOpposition Date
EP2664697
Flame Retardant Cellulose Regenerated Fibers And Process For Their PreparationGLANZSTOFF BOHEMIA SRODec 2, 2016
EP2707526
Flame-Retardant Regenerated Cellulose Filament Fibers And Process For Production ThereofGLANZSTOFF BOHEMIA SROAug 22, 2016

Latest patents of Denka opposed by its competitors

Explore Denka'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 3, 2026
Patent NumberPublication DateTitleTotal Oppositions
EP4234638
Aug 27, 2025Carbon Black, Slurry, And Lithium Ion Secondary Battery1
EP4234637
Aug 6, 2025Carbon Black, Slurry, And Lithium-Ion Secondary Battery1
EP4036031
Apr 17, 2024Binding Tape1
EP3950582
Dec 13, 2023Silicon Nitride Powder And Production Method Therefor, And Production Method For Silicon Nitride Sintered Body1
EP3483211
Jul 29, 2020Latex Composition And One-Pack Type Aqueous Adhesive Composed Of Said Latex Composition1
EP2848650
May 27, 2020Block Copolymer Composition, And Sheet1
EP2138541
Mar 4, 2020Molding Material For Md Shrink And Md Shrink Film1
EP2757604
Jun 13, 2018Clad Material For Led Light-Emitting Element Holding Substrate, And Method For Manufacturing Same1
EP2682428
Dec 7, 2016Resin Composition And Heat-Shrinkable Film Thereof1

Latest PTAB cases involving Denka

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

Peer Comparison New

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

Last updated on: Sep 3, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
DENKA - 9 - -
CERTOPLAST TECHNISCHE KLEBEBANDER36 - - -
INEOS STYROLUTION GROUP147 - -
ORION ENGINEERED CARBONS7 - - -