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IP Verse

Lyocell Fiber With Increased Tendency To Fibrillate - EP3762536

The patent EP3762536 was granted to Lenzing on May 1, 2024. The application was filed on Mar 6, 2019 under application number EP19707837A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3762536

LENZING
Application Number
EP19707837A
Filing Date
Mar 6, 2019
Status
Granted And Under Opposition
Mar 29, 2024
Publication Date
May 1, 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
METSA SPRINGJan 31, 2025ESPATENTADMISSIBLE
TABUJEWJan 31, 2025-ADMISSIBLE

Patent Citations (35) New

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

Citation PhasePublication Number
DESCRIPTIONAT515693B
DESCRIPTIONUS2015184338
DESCRIPTIONUS4246221
DESCRIPTIONUS6042769
DESCRIPTIONUS6706237
DESCRIPTIONUS8187422
DESCRIPTIONUS8420004
DESCRIPTIONUS9222222
DESCRIPTIONWO0181664
DESCRIPTIONWO2011079331
DESCRIPTIONWO2014161018
DESCRIPTIONWO2016065377
DESCRIPTIONWO2016197156
DESCRIPTIONWO9319230
DESCRIPTIONWO9428214
DESCRIPTIONWO9428217
DESCRIPTIONWO9502082
DESCRIPTIONWO9633221
DESCRIPTIONWO9633934
DESCRIPTIONWO9738153
DESCRIPTIONWO9805702
DESCRIPTIONWO9947733
INTERNATIONAL-SEARCH-REPORTUS2015184338
INTERNATIONAL-SEARCH-REPORTWO0181664
INTERNATIONAL-SEARCH-REPORTWO2011079331
INTERNATIONAL-SEARCH-REPORTWO2014161018
INTERNATIONAL-SEARCH-REPORTWO2016197156
INTERNATIONAL-SEARCH-REPORTWO9947733
OPPOSITIONEP0766755
OPPOSITIONEP1441050
OPPOSITIONEP1980653
OPPOSITIONUS2009165969
OPPOSITIONUS2010162541
OPPOSITIONWO2014161018
OPPOSITIONWO9947733

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.

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