The weekly litigation news digest is live. Subscribe now

IP Verse

Zhang competitive analysis

Latest oppositions filed by Zhang

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

Last updated on: Jan 8, 2026
Patent NumberTitleApplicantOpposition Date

Get instant updates on new opposition filings by Zhang

EP4284774
Novel Synthesis Of Salcaprozic Acid By Amide FormationNOVO NORDISKNov 28, 2025

Latest patents of Zhang opposed by its competitors

Explore Zhang'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: Jan 8, 2026
Patent NumberPublication DateTitleTotal Oppositions

Get instant alerts of patent oppositions faced by Zhang

EP2630601
Dec 18, 2024Medical Device1
EP2986026
Sep 21, 2022Hearing Assistance Device With Beamformer Optimized Using A Priori Spatial Information1
EP3681762
May 4, 2022Vehicle Interior Systems Having A Curved Cover Glass With Improved Impact Performance And Methods For Forming The Same1
EP3018084
Dec 25, 2019Paper Handkerchief Folding Device1
EP2627277
Nov 20, 2019Medical Device1

Latest PTAB cases involving Zhang

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

Peer Comparison New

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

Last updated on: Jan 8, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
ZHANG15 - -
GN HEARING WIDEX OTICON7 - - -