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IP Verse

De Clercq & Partners competitive analysis

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Explore patent oppositions filed by De Clercq & Partners against competitors, revealing strategic technology disputes and market positioning.

Last updated on: Nov 13, 2025

Patent Number	Title	Applicant	Opposition Date
Get instant updates on new opposition filings by the company
EP3782986	Heterocyclic Compound	TAKEDA PHARMACEUTICAL	Apr 10, 2025
EP3715356	Method Of Purifying Polypeptides	CSL	Jul 8, 2024
EP2616876	Method And System For Retarding Progression Of Myopia	THE HONG KONG POLYTECHNIC UNIVERSITY	Mar 22, 2022
EP3320571	Perovskite Material Layer Processing	HEE SOLAR	May 31, 2021

Discover the latest PTAB cases involving De Clercq & Partners, highlighting their recent legal challenges and patent disputes.

IP litigation analysis comparing De Clercq & Partners with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Nov 13, 2025

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
DE CLERCQ & PARTNERS	4	-	-	-
CSL	-	3	-	-
HEE SOLAR	-	1	-	-
HUNT PEROVSKITE	-	1	-	-