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Barrier Laminate Having Excellent Moisture And Gas Barrier Properties, And Method For Producing Same - EP3620576B1

PatentPatent Analysis

EP3620576

HANSOL PAPER
Application Number
EP19808950A
Filing Date
Jun 11, 2019
Status
Revoked
Feb 24, 2023
Grant Date
Sep 1, 2021
External Links
Slate, Register, Google Patents

Bibliography

The patent EP3620576B1 was granted to Hansol Paper on Sep 1, 2021 following the initial filing on Jun 11, 2019 under the application number EP19808950A . The current legal status of the patent is Revoked.

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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.

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BILLERUDKORSNASJun 1, 2022ADMISSIBLE
KOEHLER INNOVATION & TECHNOLOGYJun 1, 2022ADMISSIBLE
SAPPI NETHERLANDS SERVICESMay 31, 2022ADMISSIBLE
STORA ENSO OYJMay 17, 2022ADMISSIBLE

Dossier Documents

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