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IP Verse

Haffmans competitive analysis

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

Last updated on: Nov 20, 2025

Patent Number	Title	Applicant	Opposition Date
Get instant updates on new opposition filings by the company
EP2996794	Controlling The Gas Composition Of A Gas Separation Plant By Means Of Diaphragms	EVONIK FIBRES	Jun 26, 2019
EP2588217	Process For Separation Of Gases	EVONIK FIBRES	Nov 22, 2017

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

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

Last updated on: Nov 20, 2025

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
HAFFMANS	2	-	-	-
EVONIK FIBRES	1	6	-	-
EVONIK OPERATIONS	120	56	-	1