Johnson Matthey Hydrogen competitive analysis

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

Last updated on: Sep 17, 2026
Patent NumberTitleApplicantOpposition Date
Coated Membrane For Water ElectrolysisGREENERITYJun 26, 2026
Electrode Catalyst For Fuel Cell, Electrode Catalyst Layer For Fuel Cell, Membrane/Electrode Assembly, And Fuel CellPANASONIC MANAGEMENTFeb 18, 2026
Catalyst For Oxygen Evolution Reaction In The Electrolysis Of WaterHERAEUS DEUTSCHLANDJul 17, 2023

Explore Johnson Matthey Hydrogen'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: Sep 17, 2026
Patent NumberPublication DateTitleTotal Oppositions
Aug 21, 2024Catalyst Coated Membranes For Water Electrolysers1

Latest PTAB cases involving Johnson Matthey Hydrogen

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

Peer Comparison New

IP litigation analysis comparing Johnson Matthey Hydrogen 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
JOHNSON MATTHEY HYDROGEN31 - -
EVONIK OPERATIONS24770 - 1
GREENERITY - 4 - -
HERAEUS DEUTSCHLAND721 - -