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

Last updated on: Jun 12, 2025
Patent NumberTitleApplicantOpposition Date

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EP1941942Oxidation Catalyst And Exhaust-Gas Purification System Using The SameCATALYST TECHNOLOGYMar 16, 2022
EP2882523Diesel Oxidation Catalyst CompositesBASFFeb 27, 2021
EP2234938Zeolite-Based Honeycomb BodyCORNING INCORPORATEDMay 7, 2020
EP2758168Diesel Oxidation Catalyst With Layered Structure Containing Ceria Composition As Palladium Support Material For Enhanced Hc And Co Gas ConversionBASFApr 30, 2020
EP2483537Four-Way Diesel Catalysts And Methods Of UseBASFMay 29, 2019