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Explore patent oppositions filed by Purem 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
EP3739178Exhaust Gas Treatment Device For An Internal Combustion EngineMARELLI EUROPESep 23, 2022
EP3443209Exhaust-Gas Aftertreatment Device With Catalytic Converter And Mixing DeviceROTH TECHNIK AUSTRIA GESELLSCHAFT MIT BESCHRNKTER HAFTUNGAug 2, 2021

Explore Purem'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.

Patent NumberGrant DateTitleTotal Oppositions
EP3216992Oct 31, 2018Mixer2
EP2853705May 3, 2017Exhaust Gas Treatment Device1