IP Verse

American Regent competitive analysis

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

Last updated on: Aug 31, 2026

Proceeding Number	Filing Date	Petitioner	Respondent	Status
Get alerts for PTAB Cases involving American Regent
PGR2020-00009	Jan 6, 2020	PHARMACOSMOS	AMERICAN REGENT	Institution Denied
IPR2019-01142	Jun 14, 2019	PHARMACOSMOS	AMERICAN REGENT	Institution Denied

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

Last updated on: Aug 27, 2026

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
AMERICAN REGENT	-	-	-	2
PHARMACOSMOS	-	-	5	-