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Barrier Material

Patent No. EP3733406 (titled "Barrier Material") was filed by Nippon Paper Industries on Oct 3, 2018. The application was issued on Apr 6, 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
BILLERUDJan 5, 2023KRANSELL & WENNBORG KB
KOEHLER INNOVATION & TECHNOLOGYDec 23, 2022PATENTSHIP PATENTANWALTSGESELLSCHAFT

Dossier Documents

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EP3733406

NIPPON PAPER INDUSTRIES
Application Number
EP20174332A
Filing Date
Oct 3, 2018
Status
Granted And Under Opposition
Mar 4, 2022
Publication Date
Apr 6, 2022
External Links
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