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: Oct 23, 2025

Patent Number	Title	Applicant	Opposition Date
Get instant updates on new opposition filings by the company
EP3739178	Exhaust Gas Treatment Device For An Internal Combustion Engine	MARELLI EUROPE	Sep 23, 2022
EP3443209	Exhaust-Gas Aftertreatment Device With Catalytic Converter And Mixing Device	ROTH TECHNIK AUSTRIA GESELLSCHAFT MIT BESCHRNKTER HAFTUNG	Aug 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: Oct 23, 2025

Patent Number	Grant Date	Title	Total Oppositions
EP2853705	Mar 26, 2025	Exhaust Gas Treatment Device	1
EP3216992	Oct 31, 2018	Mixer	2

Latest publications and patents of Purem New

Explore the latest publications and patents granted to Purem, showcasing their recent innovations and technological advancements.

Last updated on: Oct 17, 2025

Publication Number	Publication Date	Title	Legal Status
Get instant update for new patents of Purem
EP2853705	Mar 26, 2025	Exhaust Gas Treatment Device	Patent Maintained As Amended
EP3216992	Oct 31, 2018	Mixer	Granted And Under Opposition

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: Oct 23, 2025

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
PUREM	2	3	-	-
FAURECIA SYSTEMES DECHAPPEMENT	5	-	-	-
MARELLI EUROPE	-	1	-	-
TENNECO	10	3	-	-