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IP Verse

Purem competitive analysis

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Latest oppositions filed by Purem

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

Last updated on: Nov 13, 2025
Patent NumberTitleApplicantOpposition Date

Get instant updates on new opposition filings by the company

EP3739178
Exhaust Gas Treatment Device For An Internal Combustion EngineMARELLI EUROPESep 23, 2022
EP3443209
Exhaust-Gas Aftertreatment Device With Catalytic Converter And Mixing DeviceROTH TECHNIK AUSTRIA GESELLSCHAFT MIT BESCHRNKTER HAFTUNGAug 2, 2021

Latest patents of Purem opposed by its competitors

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.

Last updated on: Nov 13, 2025
Patent NumberPublication DateTitleTotal Oppositions
EP2853705
Mar 26, 2025Exhaust Gas Treatment Device1
EP4174294
Jan 1, 2025Heating Unit For An Exhaust System Of An Internal Combustion Engine1
EP3216992
Oct 31, 2018Mixer2

Latest PTAB cases involving Purem

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

Peer Comparison New

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

Last updated on: Nov 13, 2025
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
PUREM24 - -
EMITEC1 - - -
FAURECIA SYSTEMES DECHAPPEMENT5 - - -
TENNECO103 - -