The Weekly Litigation News Digest is now live. Subscribe now

IP Verse

Hengst competitive analysis

Loading summary...

Latest patents of Hengst opposed by its competitors

Explore Hengst'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: Nov 13, 2025
Patent NumberPublication DateTitleTotal Oppositions
EP4230299
Dec 11, 2024Cabin Air Filter With Polarisation1
EP3873641
Dec 6, 2023Filter Arrangement And Method1

Latest PTAB cases involving Hengst

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

Last updated on: Nov 13, 2025
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving Hengst

IPR2024-00603Feb 22, 2024CHAMPION LABORATORIESHENGSTFinal Written Decision

Peer Comparison New

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

Last updated on: Nov 13, 2025
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
HENGST - 2 - 1
CHAMPION LABORATORIES - - 1 -
KOLLISCH1 - - -
MANNHUMMEL315 - -