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Solvent-Spun Cellulosic Fibre - EP3762525

The patent EP3762525 was granted to Lenzing on Aug 7, 2024. The application was originally filed on Mar 5, 2019 under application number EP19707824A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3762525

LENZING
Application Number
EP19707824A
Filing Date
Mar 5, 2019
Status
Granted And Under Opposition
Jul 5, 2024
Publication Date
Aug 7, 2024
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

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 DateRepresentativeOpposition Status

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METSA SPRINGMay 7, 2025LAINEADMISSIBLE
TABUJEWMay 6, 2025TABUJEWADMISSIBLE

Patent Citations (27) New

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

Citation PhasePublication Number
DESCRIPTIONEP1311717
DESCRIPTIONEP1362935
DESCRIPTIONUS4246221
DESCRIPTIONUS6440547
DESCRIPTIONUS6706237
DESCRIPTIONWO2007128026
DESCRIPTIONWO2015101543
DESCRIPTIONWO9319230
DESCRIPTIONWO9428214
DESCRIPTIONWO9428217
DESCRIPTIONWO9502082
DESCRIPTIONWO9633221
DESCRIPTIONWO9633934
DESCRIPTIONWO9738153
DESCRIPTIONWO9805702
INTERNATIONAL-SEARCH-REPORTUS2009004473
INTERNATIONAL-SEARCH-REPORTUS6706237
INTERNATIONAL-SEARCH-REPORTWO2015101543
OPPOSITIONEP1327013
OPPOSITIONEP1980653
OPPOSITIONUS2010162541
OPPOSITIONUS2016326671
OPPOSITIONUS6210801
OPPOSITIONUS6527987
OPPOSITIONWO2007128026
OPPOSITIONWO2014161018
OPPOSITIONWO9319230

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

  • Date

    Description

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