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Donaldson patent opposition analysis

Latest oppositions filed by Donaldson

Explore patent oppositions filed by Donaldson 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: Aug 28, 2025
Patent NumberTitleApplicantOpposition Date

Get instant updates on new opposition filings by the company

EP3990154
Filter System Having A Primary And A Secondary Filter Element And Primary Filter Element For Such A Filter SystemMANNHUMMELJul 8, 2025
EP4140564
Air Cleaner With High Performance Seal And MediaPARKER HANNIFINFeb 10, 2025
EP4049740
Side Entry Wave Seal Air CleanerPARKER HANNIFINJul 19, 2024
EP3666359
Wave Seal For Filter ElementPARKER HANNIFINJun 11, 2024
EP3441124
Air Cleaner With High Performance Seal And MediaPARKER HANNIFINMar 15, 2023
EP3572138
Fluid Filter With Secondary Filter Element Of Lightweight ConstructionMANNHUMMELSep 22, 2022
EP3416734
Surface Coated Filter And MethodBALDWIN FILTERSJul 28, 2021
EP3231498
Filter AssemblyMANNHUMMELJan 11, 2021
EP2862614
Filter System With Filter ElementMANNHUMMELSep 5, 2019
EP2827967
Filter Element Of A Filter For Filtering Fluids, And FilterMANNHUMMELFeb 28, 2019

Latest patents of Donaldson opposed by its competitors

Explore Donaldson'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: Aug 28, 2025
Patent NumberGrant DateTitleTotal Oppositions
EP3267005
Dec 27, 2023Exhaust Aftertreatment Device1
EP3799944
Aug 30, 2023Air Filter Cartridge1
EP3777996
Nov 30, 2022Filter Cartridge1
EP3471856
Jul 27, 2022Air Cleaner Assemblies And Cartridge1
EP2528675
Dec 22, 2021Pleated Filtration Media Having Tapered Flutes1
EP3548160
Oct 6, 2021Filter Elements, Air Cleaner Assemblies, And Methods Of Use And Assembly1
EP3571554
Dec 9, 2020System Composed Of An Apparatus For Treating A Fluid, A Handheld Device And A Method For Operating Such A System1
EP2585693
Aug 12, 2020Dosing And Mixing Arrangement For Use In Exhaust Aftertreatment1
EP3013456
Apr 8, 2020Filter Cartridge For An Air Cleaner Assembly1

Top competitors of Donaldson

Top competitors of Donaldson based on patent oppositions.