IP Verse

Wittkopp competitive analysis

Explore patent oppositions filed by Wittkopp against competitors, revealing strategic technology disputes and market positioning.

Last updated on: Aug 6, 2026

Patent Number	Title	Applicant	Opposition Date
EP2882444	Microporous Zirconium Silicate For Treating Hyperkalemia	ZS PHARMA	Jun 17, 2026
EP2965752	Pharmaceutical Formulation Comprising Ezetimibe	ASSIA CHEMICAL INDUSTRIES	Jun 3, 2026
EP4385509	Migalastat Formulations Having Improved Pharmacokinetics	AMICUS THERAPEUTICS	Jun 2, 2026
EP4034122	Methods For Treating Hyperphenylalaninemia	PTC THERAPEUTICS MP	May 12, 2026
EP4426307	New Oral Pharmaceutical Composition And Dose Regimen For The Therapy Of Progressive Fibrosing Interstitial Lung Diseases	BOEHRINGER INGELHEIM	Apr 2, 2026
EP3449911	Pharmaceutical Formulations	ARRAY BIOPHARMA	Mar 18, 2026
EP3435996	Methods Of Treatment Of Cholestatic Diseases	GENFIT	Jan 29, 2026
EP3592732	Manufacture Of A Crystalline Pharmaceutical Product	ORION	Jan 8, 2026
EP3756650	Formulations Of (+)-2-[1-(3-Ethoxy-4-Methoxy-Phenyl)-2-Methanesulfonyl-Ethyl]-4-Acetyl Aminoisoindoline-1,3-Dione	AMGEN EUROPE	Dec 19, 2025
EP3798224	Solid State Forms Of Ixazomib Citrate	ASSIA CHEMICAL INDUSTRIES	Dec 19, 2025

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

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

Last updated on: Aug 6, 2026

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
WITTKOPP	10	-	-	-
ASSIA CHEMICAL INDUSTRIES	-	14	-	-
ASTRAZENECA	-	49	-	18
BRISTOL MYERS SQUIBB IRELAND	-	42	-	-