IP Verse

Tosoh competitive analysis

Latest patents of Tosoh opposed by its competitors

Explore Tosoh'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
EP3159323
Apr 8, 2026Colored Translucent Zirconia Sintered Body And Powder, And Use Thereof3
EP4011852
Nov 12, 2025Mixed Powder, Spray-Granulation Powder Granules And Green Body For Use In Production Of Colored Translucent Zirconia Sintered Body1
EP2295438
Mar 26, 2025Process For Producing Hydroxyalkyltriethylenediamine Compound, And Catalyst Composition For The Production Of Polyurethane Resin Using The Hydroxyalkyltriethylenediamine Compound1
EP2368849
Mar 19, 2025Chabazite-Type Zeolite And Process For Production Of Same3
EP2738147
Dec 29, 2021Colored And Light-Transmitting Sintered Zirconia Compact And Use Of Same2
EP2360191
Jan 22, 2020Solid Polymethylaluminoxane Composition And Process For Producing Same1
EP3088373
Nov 27, 2019Translucent Zirconia Sintered Body And Zirconia Powder, And Use Therefor1
EP2610232
Jun 26, 2019Zirconia Sintered Bodies With High Total Light Transmission And High Strength, Uses Of The Same, And Process For Production Thereof2
EP2067782
Jun 27, 2018Heteroacene Derivative, Tetrahaloterphenyl Derivative, And Their Production Methods1
EP2674408
Jun 7, 2017Translucent Zirconia Sintered Body, Process For Producing The Same, And Use Of The Same4

Latest PTAB cases involving Tosoh

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

Peer Comparison New

IP litigation analysis comparing Tosoh 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
TOSOH FINECHEM - 1 - -
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