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Hangsen Group competitive analysis

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

Last updated on: Feb 3, 2026

Proceeding Number	Filing Date	Petitioner	Respondent	Status
Get alerts for PTAB Cases involving Hangsen Group
IPR2023-00503	Jan 24, 2023	HANGSEN GROUP	ZANOPRIMA LIFESCIENCES	Institution Denied

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

Last updated on: Jan 29, 2026

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
HANGSEN GROUP	-	-	1	-
ZANOPRIMA LIFESCIENCES	1	-	-	1