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Heat-Sealing Barrier Paper

Patent No. EP3186442 (titled "Heat-Sealing Barrier Paper") was filed by Ahlstrom Munksj OYJ on Jul 29, 2015. The application was issued on Jul 10, 2024.

Patent Summary

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Patent Oppositions (2)

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentative
BILLERUDKORSNASFeb 28, 2022KRANSELL & WENNBORG KB
OMYAFeb 25, 2022MAIWALD

Dossier Documents

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EP3186442

AHLSTROM MUNKSJ OYJ
Application Number
EP15752945A
Filing Date
Jul 29, 2015
Status
Patent Maintained As Amended
Jun 7, 2024
Publication Date
Jul 10, 2024
External Links
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