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IP Verse

Use Of Tetrafluoropropene-Based Compositions - EP3523390

The patent EP3523390 was granted to Arkema France on May 8, 2024. The application was originally filed on Oct 9, 2017 under application number EP17787239A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3523390

ARKEMA FRANCE
Application Number
EP17787239A
Filing Date
Oct 9, 2017
Status
Granted And Under Opposition
Apr 5, 2024
Publication Date
May 8, 2024
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (3)

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

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MEXICHEM FLUOR DE CVFeb 7, 2025POTTER CLARKSONADMISSIBLE
THE CHEMOURS FCFeb 7, 2025ABITZ & PARTNERADMISSIBLE
THE CHEMOURS FCFeb 7, 2025MEWBURN ELLISADMISSIBLE

Patent Citations (19) New

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

Citation PhasePublication Number
DESCRIPTIONJPH04110388
DESCRIPTIONUS5065990
DESCRIPTIONUS5363674
DESCRIPTIONWO2012177742
INTERNATIONAL-SEARCH-REPORTUS2009267019
INTERNATIONAL-SEARCH-REPORTUS2012068104
INTERNATIONAL-SEARCH-REPORTUS2016009974
INTERNATIONAL-SEARCH-REPORTUS5612299
OPPOSITIONKR101088358B
OPPOSITIONUS2009267019
OPPOSITIONUS2012068104
OPPOSITIONUS2014216074
OPPOSITIONUS2016009974
OPPOSITIONUS5612299
OPPOSITIONWO2010059677
OPPOSITIONWO2011101608
OPPOSITIONWO2011101620
OPPOSITIONWO2012177742
OPPOSITIONWO2018069621

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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