IP Verse

Chengdu Kanghong Biotechnology competitive analysis

Latest PTAB cases involving Chengdu Kanghong Biotechnology

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

Last updated on: Feb 3, 2026
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving Chengdu Kanghong Biotechnology

IPR2021-00402Jan 7, 2021CHENGDU KANGHONG BIOTECHNOLOGYREGENERON PHARMACEUTICALSTerminated
PGR2021-00035Jan 7, 2021CHENGDU KANGHONG BIOTECHNOLOGYREGENERON PHARMACEUTICALSTerminated

Peer Comparison New

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

Last updated on: Jan 29, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
CHENGDU KANGHONG BIOTECHNOLOGY - - 2 -
REGENERON PHARMACEUTICALS3894931