IP Verse

Twi Pharmaceuticals competitive analysis

Discover the latest PTAB cases involving Twi Pharmaceuticals, 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 Twi Pharmaceuticals
IPR2023-00049	Oct 14, 2022	TWI PHARMACEUTICALS	MERCK SERONO	Final Written Decision - Appealed
IPR2023-00050	Oct 14, 2022	TWI PHARMACEUTICALS	MERCK SERONO	Final Written Decision - Appealed

IP litigation analysis comparing Twi Pharmaceuticals 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
TWI PHARMACEUTICALS	-	-	2	-
MERCK SERONO	2	3	-	4