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Dusa Pharmaceuticals competitive analysis

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

Last updated on: Feb 3, 2026

Proceeding Number	Filing Date	Petitioner	Respondent	Status
Get alerts for PTAB Cases involving Dusa Pharmaceuticals
IPR2022-00056	Oct 19, 2021	BIOFRONTERA	DUSA PHARMACEUTICALS	Terminated
IPR2018-01585	Aug 22, 2018	BIOFRONTERA INCORPORATED	DUSA PHARMACEUTICALS	Institution Denied
IPR2018-01586	Aug 22, 2018	BIOFRONTERA INCORPORATED	DUSA PHARMACEUTICALS	Institution Denied

IP litigation analysis comparing Dusa 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
DUSA PHARMACEUTICALS	-	-	-	3
BIOFRONTERA	-	-	2	-
BIOFRONTERA INCORPORATED	-	-	4	-