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Explore patent oppositions filed by Johnson Matthey Hydrogen against competitors, revealing strategic technology disputes and market positioning. Monitor opposition details, timelines, and disputed innovations to understand competitive dynamics and IP enforcement strategy.

Patent NumberTitleApplicantOpposition Date
EP3764443Catalyst For Oxygen Evolution Reaction In The Electrolysis Of WaterHERAEUS DEUTSCHLANDJul 17, 2023