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Donaldson Company, Inc. competitive analysis

Latest oppositions filed by Donaldson Company, Inc.

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

Last updated on: Aug 20, 2026
Patent NumberTitleApplicantOpposition Date
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
EP3370849
Wave Seal For Filter ElementPARKER HANNIFINNov 19, 2020
EP2862614
Filter System With Filter ElementMANNHUMMELSep 5, 2019

Latest patents of Donaldson Company, Inc. opposed by its competitors

Explore Donaldson Company, Inc.'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 20, 2026
Patent NumberPublication DateTitleTotal Oppositions
EP4363700
Oct 8, 2025Fluid Condition Sensing System And Methods1
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
EP2585693
Aug 12, 2020Dosing And Mixing Arrangement For Use In Exhaust Aftertreatment1
EP3013456
Apr 8, 2020Filter Cartridge For An Air Cleaner Assembly1

Latest PTAB cases involving Donaldson Company, Inc.

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

Last updated on: Aug 23, 2026
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving Donaldson Company, Inc.

IPR2018-01110May 25, 2018BALDWIN FILTERSDONALDSONTerminated-Settled

Peer Comparison New

IP litigation analysis comparing Donaldson Company, Inc. with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Aug 20, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
DONALDSON159 - 1
MANNHUMMEL316 - -
MANN HUMMEL1910 - -
PARKER HANNIFIN - 6 - -