IP Verse

Chen Chang competitive analysis

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

Last updated on: Aug 3, 2026

Proceeding Number	Filing Date	Petitioner	Respondent	Status
Get alerts for PTAB Cases involving Chen Chang
IPR2017-00865	Feb 10, 2017	VALENS SEMICONDUCTOR	CHEN CHANG	Terminated
IPR2017-00497	Jan 20, 2017	CRESTRON ELECTRONICS	CHEN CHANG	Terminated-Settled

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

Last updated on: Jul 30, 2026

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
CHEN CHANG	-	-	-	2
CRESTRON ELECTRONICS	-	-	5	-
VALENS SEMICONDUCTOR	-	-	1	-