Zeng competitive analysis

Explore Zeng'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: Jul 30, 2026
Patent NumberPublication DateTitleTotal Oppositions
Apr 5, 2017Exhaust Gas Aftertreatment Device1

Latest PTAB cases involving Zeng

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

Last updated on: Jul 29, 2026
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving Zeng

IPR2020-01676Sep 23, 2020ROHM SEMICONDUCTOR USAZENGTerminated-Settled

Peer Comparison New

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

Last updated on: Jul 30, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
ZENGER - 1 - -
TENNECO103 - -