IP Verse

Sony Group Japan competitive analysis

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

Last updated on: Feb 1, 2026

Proceeding Number	Filing Date	Petitioner	Respondent	Status
Get alerts for PTAB Cases involving Sony Group Japan
IPR2022-01544	Sep 23, 2022	SONY GROUP JAPAN	MZ AUDIO SCIENCES	Final Written Decision

IP litigation analysis comparing Sony Group Japan 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
SONY GROUP JAPAN	-	-	1	-
MZ AUDIO SCIENCES	-	-	-	1