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Wanhua Chemical Group competitive analysis

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Explore Wanhua Chemical Group'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: Dec 11, 2025
Patent NumberPublication DateTitleTotal Oppositions
Sep 13, 2023Method For Preparing Isophorone Diisocyanate1

Latest PTAB cases involving Wanhua Chemical Group

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

Peer Comparison New

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

Last updated on: Dec 11, 2025
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
WANHUA CHEMICAL GROUP - 1 - -
EVONIK OPERATIONS12256 - 1