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Ahlstrom Oyj patent opposition analysis

Latest oppositions filed by Ahlstrom Oyj

Explore patent oppositions filed by Ahlstrom Oyj 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: Jul 17, 2025
Patent NumberTitleApplicantOpposition Date

Get instant updates on new opposition filings by the company

EP3464723Method Of Producing A Fibrous WebPAPTICMar 14, 2024
EP3732040Method Of Producing A Fibrous Product And A Fibrous ProductPAPTICMar 7, 2024
EP3867435Pulp-Containing Biodegradable Non-Woven Fabric And Method For Producing The SameGLATFELTER GERNSBACHFeb 1, 2024
EP3433421Method Of Producing A Fibrous Web Containing Natural And Synthetic FibresPAPTICApr 13, 2022
EP3224411Fiber Sheets And Structures Comprising Fiber SheetsPAPTICMay 6, 2020

Latest patents of Ahlstrom Oyj opposed by its competitors

Explore Ahlstrom Oyj'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: Jul 17, 2025
Patent NumberGrant DateTitleTotal Oppositions
EP4177398Aug 14, 2024Transfer Paper For Sublimation Printing1
EP4178706Aug 14, 2024Filtration Media1
EP3186442Jul 10, 2024Heat-Sealing Barrier Paper2
EP3568521Jan 3, 2024Transfer Paper For Sublimation Printing, Comprising A Cationic Agent1
EP3819426Mar 29, 2023Compostable Cellulose-Based Paper For Gas Barrier In Packaging Material1
EP3568522Nov 18, 2020Transfer Paper For Sublimation Printing, Comprising An Alkaline Earth Salt1
EP3204551Dec 5, 2018Mat And Gypsum Boards Suitable For Wet Or Humid Areas1

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