The weekly litigation news digest is live. Subscribe now

Composition Made From Poly(Arylene-Ether-Ketone) (Paek) Stable In A Molten State - EP3325535

The patent EP3325535 was granted to Arkema France on Oct 14, 2020. The application was originally filed on Jul 21, 2016 under application number EP16757296A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3325535

ARKEMA FRANCE
Application Number
EP16757296A
Filing Date
Jul 21, 2016
Status
Granted And Under Opposition
Sep 11, 2020
Publication Date
Oct 14, 2020
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (5)

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

Get instant alerts for new oppositions and patent status changes

EVONIK OPERATIONSJul 14, 2021GODEMEYER BLUM LENZE PATENTANWALTE PARTNERSCHAFT MBB WERKPATENTADMISSIBLE
SOLVAY SPECIALTY POLYMERS USAJul 13, 2021FERRIADMISSIBLE
SYENSQO SPECIALTY POLYMERS USAJul 13, 2021FERRIADMISSIBLE
VICTREX MANUFACTURINGJul 9, 2021GURUNADMISSIBLE
VICTREX MANUFACTURINGJul 9, 2021SLINGSBY PARTNERSADMISSIBLE

Patent Citations (24) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTEP0308803
INTERNATIONAL-SEARCH-REPORTGB1446962
INTERNATIONAL-SEARCH-REPORTUS4593061
INTERNATIONAL-SEARCH-REPORTUS4874839
INTERNATIONAL-SEARCH-REPORTUS5063265
OPPOSITIONCN103665368
OPPOSITIONDE4207555
OPPOSITIONEP2169012
OPPOSITIONJP2000169738
OPPOSITIONJP2001059040
OPPOSITIONJPH03227320
OPPOSITIONJPH04110339
OPPOSITIONUS2004157967
OPPOSITIONUS2006052479
OPPOSITIONUS2007265415
OPPOSITIONUS2011045087
OPPOSITIONUS2011151259
OPPOSITIONUS4593061
OPPOSITIONUS4609714
OPPOSITIONUS4874839
OPPOSITIONUS4977230
OPPOSITIONUS5063265
OPPOSITIONWO9210542
OPPOSITIONWO9531502

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

  • Get instant alerts for new documents