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Paper Barrier Material

Patent No. EP3461637 (titled "Paper Barrier Material") was filed by Nippon Paper Industries on Sep 29, 2017. The application was issued on Aug 3, 2022.

Patent Summary

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Patent Family

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
BILLERUD AKTIEBOLAG PUBLMay 3, 2023KRANSELL & WENNBORG KB
KOEHLER INNOVATION & TECHNOLOGYMay 2, 2023PATENTSHIP PATENTANWALTSGESELLSCHAFT

Dossier Documents

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EP3461637

NIPPON PAPER INDUSTRIES
Application Number
EP17856415A
Filing Date
Sep 29, 2017
Status
Revoked
Jun 6, 2025
Publication Date
Aug 3, 2022
External Links
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