EP3819426

AHLSTROM-MUNKSJÖ OYJ
Application Number
EP19207684A
Filing Date
Nov 7, 2019
Status
Granted And Under Opposition
Feb 24, 2023
Grant Date
Mar 29, 2023
External Links
Slate, Register

Biblio Summary

The patent EP3819426B1 was granted on Mar 29, 2023 by Ahlstrom-Munksjö Oyj The patent is currently Granted And Under Opposition.

The table below shows 1 patent oppositions filed on the patent at EPO, listing each opposing company and filing date. Tracking these filings indicates that the applicant is active in this industry, while opposing companies may be signaling their own interest in competing within the same space. These disputes are essential for insights into competitor actions, patent strategy and emerging technological trends.

CompanyOpposition DateOpposition Status

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UPM-KYMMENE OYJDec 29, 2023ADMISSIBLE

The table below shows the patents of Ahlstrom-Munksjö Oyj that have been opposed by other companies.

Patent NumberTitleGrant DateOpposition Count
EP3186442Heat-Sealing Barrier PaperJul 10, 20242
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EP3752672A Method Of Manufacturing A Graphene/Graphehe Oxide Layer And A Graphene/Graphehe Oxide-Coated SupportDec 14, 20221