Duker competitive analysis

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

Last updated on: Sep 10, 2026
Patent NumberTitleApplicantOpposition Date
Return ValveERHARDMay 13, 2020
Pipe Connecting Device And Method For Production ThereofE HAWLE ARMATURENWERKESep 9, 2016

Latest PTAB cases involving Duker

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

Peer Comparison New

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

Last updated on: Sep 10, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
DÜKER GMBH1 - - -
ERHARD - 2 - -