IP Verse

Hengst competitive analysis

Latest oppositions filed by Hengst

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

Last updated on: Sep 3, 2026
Patent NumberTitleApplicantOpposition Date
EP2844955
Energy-Self-Sufficient Multiturn Rotary Encoder And Method For Determining A Unique Position Of An Encoder Shaft By Means Of The Multiturn Rotary EncoderFRITZ KBLERFeb 9, 2017

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: Sep 3, 2026
Patent NumberPublication DateTitleTotal Oppositions
EP4044560
Jul 2, 2025Sensor Hub2
EP4357025
Jun 11, 2025Active Field Polarized Media Air Cleaning Device1
EP4230298
Jan 29, 2025Cabin Air Filter With Polarisation1
EP4230299
Dec 11, 2024Cabin Air Filter With Polarisation2
EP3873641
Dec 6, 2023Filter Arrangement And Method1
EP2867624
Dec 7, 2016Multi-Channel Rotary Encoder2

Latest PTAB cases involving Hengst

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

Last updated on: Sep 7, 2026
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: Sep 3, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
HENGST - 5 - 1
CHAMPION LABORATORIES - - 1 -
KLLISCH2 - - -
MANN HUMMEL3919 - -