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IP Verse

Multilayer Tubular Structure With Improved Resistance To Extraction In The Bio-Essence And Use Thereof - EP3981594

The patent EP3981594 was granted to Arkema France on Jan 29, 2025. The application was filed on Jan 12, 2017 under application number EP21212079A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3981594

ARKEMA FRANCE
Application Number
EP21212079A
Filing Date
Jan 12, 2017
Status
Granted And Under Opposition
Dec 26, 2024
Publication Date
Jan 29, 2025
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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
EVONIK OPERATIONSOct 23, 2025F & E PATENTADMISSIBLE

Patent Citations (19) New

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

Citation PhasePublication Number
DESCRIPTIONEP0428833
DESCRIPTIONEP1162061
DESCRIPTIONEP1216826
DESCRIPTIONEP1452307
DESCRIPTIONEP2098580
OTHEREP3282293
OTHEREP3283293
OTHEREP3299165
OTHEREP3517294
OTHEREP4155068
SEARCHDE102008044224
SEARCHEP1393889
SEARCHEP1496298
SEARCHEP2094481
SEARCHEP2098580
SEARCHEP3517294
SEARCHFR2925865
SEARCHUS2013126031
SEARCHUS5554426

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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