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Barrier Laminate Having Excellent Moisture And Gas Barrier Properties, And Method For Producing Same

Patent No. EP3620576 (titled "Barrier Laminate Having Excellent Moisture And Gas Barrier Properties, And Method For Producing Same") was filed by Hansol Paper on Jun 11, 2019. The application was issued on Sep 1, 2021.

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Patent Oppositions (4)

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
BILLERUDKORSNASJun 1, 2022KRANSELL & WENNBORG KB
KOEHLER INNOVATION & TECHNOLOGYJun 1, 2022HELD
SAPPI NETHERLANDS SERVICESMay 31, 2022SCHMITZ
STORA ENSO OYJMay 17, 2022STEINRUD

Dossier Documents

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EP3620576

HANSOL PAPER
Application Number
EP19808950A
Filing Date
Jun 11, 2019
Status
Revoked
Feb 24, 2023
Publication Date
Sep 1, 2021
External Links
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