IP Verse

Mei competitive analysis

Latest oppositions filed by Mei

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

Last updated on: Feb 19, 2026

Patent Number	Title	Applicant	Opposition Date
EP4119109	Ophthalmological Device For Processing A Curved Treatment Face	ZIEMER OPHTHALMIC SYSTEMS	Dec 19, 2025
EP3756650	Formulations Of (+)-2-[1-(3-Ethoxy-4-Methoxy-Phenyl)-2-Methanesulfonyl-Ethyl]-4-Acetyl Aminoisoindoline-1,3-Dione	AMGEN EUROPE	Dec 8, 2025
EP4201576	Laser Reactive Cutting Method And Apparatus For Cutting A Thick Metal Workpiece	BYSTRONIC LASER	Dec 3, 2025
EP3516137	System For Detecting The Status Of A Window Or Door Assembly	LAPORTA	May 6, 2025
EP2662094	Cylodextrin Complexation Methods For Formulating Peptide Proteasome Inhibitors	ONYX THERAPEUTICS	Jan 17, 2025
EP3150200	Pharmaceutical Composition, Pharmaceutical Dosage Form, Process For Their Preparation, Methods For Treating And Uses Thereof	BOEHRINGER INGELHEIM	Jan 10, 2025
EP3592727	Method For Producing Nitrobenzene	COVESTRO	Nov 12, 2024
EP3313408	Drospirenone-Based Contraceptive For A Female Patient Affected With Excess Weight	LABORATORIOS LEON FARMA	Sep 5, 2024
EP3732793	Io-Link Device	DATALOGIC TECH	Aug 22, 2024
EP3702351	Formulation Comprising A Mek Inhibitor	ARRAY BIOPHARMA	Aug 21, 2024

Latest patents of Mei opposed by its competitors

Explore Mei'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: Feb 19, 2026

Patent Number	Publication Date	Title	Total Oppositions
EP3324811	Jun 25, 2025	Cleaning Apparatus And Method For Cleaning Articles	2
EP4129569	Mar 26, 2025	Polishing Tool, Polishing System And Method Of Polishing	1
EP3438275	Apr 24, 2024	Microorganism Identification Method	1
EP3438276	Jan 17, 2024	Microorganism Identification Method	1
EP2964067	Nov 1, 2023	Conveyor Dishwasher Comprising A Plurality Of Processing Zones	1
EP3753468	Jan 19, 2022	Cleaning Device And Method For Cleaning Items	1
EP3443969	Dec 22, 2021	Brain Function-Improving Composition For Newborns	3
EP3438274	Feb 17, 2021	Microorganism Identification Method	1
EP3438655	Feb 17, 2021	Microorganism Identification Method	1
EP3537944	Jan 6, 2021	Method And Cleaning Device For Cleaning Items To Be Cleaned	1

Latest PTAB cases involving Mei

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

Last updated on: Feb 21, 2026

Proceeding Number	Filing Date	Petitioner	Respondent	Status
Get alerts for PTAB Cases involving Mei
IPR2022-01123	Jun 8, 2022	SANI TECH WEST	MEISSNER FILTRATION PRODUCTS	Institution Denied
IPR2014-01188	Jul 18, 2014	GOOGLE	MEIRESONNE	Final Written Decision

Peer Comparison New

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

Last updated on: Feb 19, 2026

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
ALFMEIER PRAZISION	1	-	-	-
TI GROUP AUTOMOTIVE SYSTEMS	-	1	-	-