IP Verse

Koblenz competitive analysis

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

Last updated on: Sep 10, 2026

Patent Number	Title	Applicant	Opposition Date
EP3346077	Door Assembly	SIMONSWERK	Jun 1, 2021
EP3374123	Brazing Sheet And Production Method	GRNGES	Jun 26, 2020
EP3445520	Aluminum Composite Material Having A Corrosion Protection Layer	HYDRO ALUMINIUM ROLLED PRODUCTS	Mar 23, 2020
EP2686165	Multi-Layer Brazing Sheet	ALCOA	Jul 8, 2019
EP2710162	Alloys For A Heat Exchanger Tube Having An Inner Protective Cladding And Brazed Disrupter	CONSTELLIUM FRANCE	Nov 28, 2016
EP2877317	Strip Material With Excellent Corrosion Resistance After Brazing	GRNGES SWEDEN	Aug 31, 2016
EP2527576	Moving Device For Pivotable Partition Elements And Furniture	HAWA	Apr 16, 2015

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

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

Last updated on: Sep 10, 2026

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
ALERIS ALUMINUM KOBLENZ	-	7	-	-
ARCONIC	49	24	1	-
C TEC CONSTELLIUM TECHNOLOGY CENTER CONSTELLIUM NEUF BRISACH	34	-	-	-
GRANGES	18	-	-	-