IP Verse

Sph America competitive analysis

Discover the latest PTAB cases involving Sph America, 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 Sph America
IPR2015-00203	Nov 3, 2014	HUAWEI DEVICE USA	SPH AMERICA	Institution Denied
IPR2015-00221	Nov 3, 2014	HUAWEI DEVICE USA	SPH AMERICA	Institution Denied
IPR2015-00028	Oct 6, 2014	ZTE USA	SPH AMERICA	Institution Denied
IPR2015-00029	Oct 6, 2014	ZTE USA	SPH AMERICA	Institution Denied

IP litigation analysis comparing Sph America 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
SPH AMERICA	-	-	-	4
HUAWEI DEVICE USA	-	-	4	-
ZTE USA	-	-	57	-