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IP Verse

Bio-Based Meg And Polyester Fiber Compositions And Methods Of Making The Same - EP3538693

The patent EP3538693 was granted to Changchun Meihe Science And Technology on Feb 21, 2024. The application was filed on Nov 9, 2017 under application number EP17869799A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3538693

CHANGCHUN MEIHE SCIENCE AND TECHNOLOGY
Application Number
EP17869799A
Filing Date
Nov 9, 2017
Status
Granted And Under Opposition
Jan 19, 2024
Publication Date
Feb 21, 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
HAMPTON KNOWLESNov 20, 2024D YOUNGADMISSIBLE
AVANTIUM KNOWLEDGE CENTRENov 15, 2024AVANTIUMADMISSIBLE

Patent Citations (26) New

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

Citation PhasePublication Number
DESCRIPTIONAU2015201314
DESCRIPTIONCN101525782
DESCRIPTIONCN103668538
DESCRIPTIONJP2014001257
DESCRIPTIONUS2006275568
DESCRIPTIONUS2016096789
DESCRIPTIONWO2016001169
DESCRIPTIONWO2016114661
INTERNATIONAL-SEARCH-REPORTEP2403894
INTERNATIONAL-SEARCH-REPORTJP2016029173
INTERNATIONAL-SEARCH-REPORTUS2013324644
INTERNATIONAL-SEARCH-REPORTUS2014197580
INTERNATIONAL-SEARCH-REPORTWO2015028156
OPPOSITIONCN101525415
OPPOSITIONCN101525782
OPPOSITIONCN1868990
OPPOSITIONJP2014001257
OPPOSITIONUS2016096789
OPPOSITIONWO2015028156
OPPOSITIONWO2016001169
OPPOSITIONWO2016114661
SEARCHAU2015201314
SEARCHCN101525782
SEARCHCN103668538
SEARCHJP2014001257
SEARCHWO2016001169

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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