Haas, Stefan competitive analysis

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

Last updated on: Sep 17, 2026
Patent NumberTitleApplicantOpposition Date
Electromagnetic HeatingGOJI LIMITEDJan 10, 2020
Device And Method For Heating Using Rf EnergyGOJIDec 21, 2017
Modal AnalysisGOJI LIMITEDSep 13, 2017
Spatially Controlled Energy DeliveryGOJI LIMITEDSep 6, 2017
Electromagnetic HeatingGOJIFeb 13, 2017
Electromagnetic HeatingGOJIFeb 13, 2017
Device And Method For Controlling EnergyGOJI LIMITEDJan 26, 2017

Latest PTAB cases involving Haas, Stefan

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

Peer Comparison New

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

Last updated on: Sep 17, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
HAAS, STEFAN7 - - -
GOJI - 13 - -
GOJI LIMITED127 - -
JOLIET - 5 - -