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IP Verse

Process For The Treatment Of Lyocell Fibres - EP3899113

The patent EP3899113 was granted to Lenzing on Jan 18, 2023. The application was filed on Dec 13, 2019 under application number EP19817341A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3899113

LENZING
Application Number
EP19817341A
Filing Date
Dec 13, 2019
Status
Granted And Under Opposition
Dec 16, 2022
Publication Date
Jan 18, 2023
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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
METSA SPRINGOct 17, 2023LAINEADMISSIBLE

Patent Citations (23) New

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

Citation PhasePublication Number
DESCRIPTIONEP0538977
DESCRIPTIONEP0691426
DESCRIPTIONEP0785304
DESCRIPTIONEP0903434
DESCRIPTIONUS4246221
DESCRIPTIONWO03038164
DESCRIPTIONWO2005073443
DESCRIPTIONWO9319230
DESCRIPTIONWO9409191
DESCRIPTIONWO9528516
DESCRIPTIONWO9919555
INTERNATIONAL-SEARCH-REPORTEP0538977
INTERNATIONAL-SEARCH-REPORTUS6203746
INTERNATIONAL-SEARCH-REPORTWO03038164
INTERNATIONAL-SEARCH-REPORTWO9528516
INTERNATIONAL-SEARCH-REPORTWO9919555
OPPOSITIONEP0538977
OPPOSITIONEP1282525
OPPOSITIONKR20050030477
OPPOSITIONUS2002037410
OPPOSITIONWO2006133751
OPPOSITIONWO2011046066
OPPOSITIONWO2012137219

Dossier Documents

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    Description

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