The weekly litigation news digest is live. Subscribe now

Sunman Shanghai competitive analysis

Loading summary...

Explore Sunman Shanghai'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 4, 2025
Patent NumberPublication DateTitleTotal Oppositions
Jul 14, 2021Packaging Material For Photovoltaic Module And Method For Preparing Packaging Material1

Latest PTAB cases involving Sunman Shanghai

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

Peer Comparison New

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

Last updated on: Dec 4, 2025
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
SUNMAN SHANGHAI - 1 - -
DAS ENERGY1 - - -