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IP Verse

Barrier Laminate Having Excellent Moisture And Gas Barrier Properties, And Method For Producing Same - EP3620576

The patent EP3620576 was granted to Hansol Paper on Sep 1, 2021. The application was originally filed on Jun 11, 2019 under application number EP19808950A. The patent is currently recorded with a legal status of "Revoked".

EP3620576

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

Patent Summary

Patent Family

Patent Family

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 DateRepresentativeOpposition Status

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BILLERUDKORSNASJun 1, 2022KRANSELL & WENNBORG KBADMISSIBLE
KOEHLER INNOVATION & TECHNOLOGYJun 1, 2022HELDADMISSIBLE
SAPPI NETHERLANDS SERVICESMay 31, 2022SCHMITZADMISSIBLE
STORA ENSO OYJMay 17, 2022STEINRUDADMISSIBLE

Patent Citations (25) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTJP2014009413
INTERNATIONAL-SEARCH-REPORTJP2014181409
INTERNATIONAL-SEARCH-REPORTJP2017014654
INTERNATIONAL-SEARCH-REPORTJP5001185B
INTERNATIONAL-SEARCH-REPORTJPH10249978
OPPOSITIONEP3202979
OPPOSITIONEP3342929
OPPOSITIONGB1226461
OPPOSITIONGB2502241
OPPOSITIONJP2013147001
OPPOSITIONUS2004241475
OPPOSITIONUS2006286294
OPPOSITIONUS2010009168
OPPOSITIONUS2010239763
OPPOSITIONUS2018058010
OPPOSITIONUS5837383
OPPOSITIONWO2007106885
OPPOSITIONWO2008037844
OPPOSITIONWO2008148934
OPPOSITIONWO2012061704
OPPOSITIONWO2016170229
OPPOSITIONWO2016195893
SEARCHEP2777934
SEARCHUS2012114917
SEARCHWO2015032432

Dossier Documents

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