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Ewald Drken competitive analysis

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Explore Ewald Drken's recently opposed patents, revealing key competitive challenges and strategic patent disputes in the industry. Track oppositions filed by competitors to understand technology battlegrounds and assess potential risks.

Last updated on: Nov 13, 2025
Patent NumberPublication DateTitleTotal Oppositions
Mar 19, 2025Method For Production Of A Substrate With A Chromium Vi Free And Cobalt-Free Passivation1
Nov 17, 2021Bicomponent Fibre For Producing Spun Nonwoven Fabrics1
Jan 20, 2021Anti-Corrosion Coating1
Dec 16, 2020Nail-Sealing Roof Underlay1
Jul 3, 2019Method For Producing A Dark Anti-Corrosion Coating2
May 29, 2019Bicomponent Fibre For Producing Spun Nonwoven Fabrics2
Nov 7, 2018Protective Film2
Apr 11, 2018Roofing Underlay For Steep-Pitched Roof With Adjacent Roof Surfaces1

Latest PTAB cases involving Ewald Drken

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

Peer Comparison New

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

Last updated on: Nov 13, 2025
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
EWALD DRKEN - 11 - -
ATOTECH DEUTSCHLAND76 - -
BIOLOGISCHE INSEL LOTHAR MOLL11 - -
CARL FREUDENBERG2311 - -