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

PatentPatent Analysis

EP3325535

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

The patent EP3325535B1 was granted on Oct 14, 2020 by Arkema France The patent is currently Granted And Under Opposition.

Patent Oppositions filed by Competitors

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 DateOpposition Status

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EVONIK OPERATIONSJul 14, 2021ADMISSIBLE
SOLVAY SPECIALTY POLYMERS USAJul 13, 2021ADMISSIBLE
VICTREX MANUFACTURINGJul 9, 2021ADMISSIBLE

Patents Cited during Opposition New

Patent citations in opposition refer to prior patents or publications that may challenge the validity of a contested patent. These references help assess whether the invention is truly novel or overlaps with existing intellectual property.

Citation PhasePatent NumberPatent LinkCited Text
OppositionUS2006052479
 N/A
OppositionUS4874839
 N/A
OppositionUS4609714
 N/A
OppositionWO9210542
 N/A
OppositionJPH03227320
 N/A
OppositionDE4207555
 N/A
OppositionWO9531502
 N/A
OppositionUS2007265415
 N/A
OppositionUS2011045087
 N/A
OppositionUS2011151259
 N/A
OppositionUS4593061
 N/A
OppositionUS2004157967
 N/A
OppositionEP2169012
 N/A
OppositionUS4977230
 N/A
OppositionUS5063265
 N/A
OppositionJPH04110339
 N/A
OppositionJP2000169738
 N/A
OppositionJP2001059040
 N/A
OppositionCN103665368
 N/A

Dossier Documents of the Patent

The dossier documents provide a comprehensive record of the patent’s prosecution history, including filings, correspondence, and decisions made by patent offices. These documents are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination. It also includes the oppositions documents filed against the patent.

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