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The patent EP3059292 was granted to Arkema France on Nov 20, 2024. The application was filed on Aug 17, 2010 under application number EP16162759A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| THE CHEMOURS FC | Jul 24, 2025 | MEWBURN ELLIS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP4110388B |
| DESCRIPTION | WO2004037913 |
| DESCRIPTION | WO2006094303 |
| OTHER | EP2246649 |
| OTHER | EP2475735 |
| OTHER | US2009120619 |
| OTHER | WO2009107364 |
| SEARCH | FR2182956 |
| SEARCH | FR2256381 |
| SEARCH | US2006243944 |
| SEARCH | US2008314073 |
| SEARCH | WO2009107364 |
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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Apr 4, 2025
Apr 1, 2025
Letter accompanying subsequently filed items
Search/Exam
Apr 1, 2025
Dec 3, 2024
Oct 24, 2024
Decision to grant a European patent
Search/Exam
Oct 10, 2024
(Electronic) Receipt
Search/Exam
Oct 10, 2024
English translation of the claims
Search/Exam
Oct 10, 2024
Filing of the translations of the claims
Search/Exam
Oct 10, 2024
German translation of the claims
Search/Exam
Oct 10, 2024
Letter accompanying subsequently filed items
Search/Exam
Oct 8, 2024
Jun 11, 2024
Jun 11, 2024
Jun 11, 2024
Jun 11, 2024
Intention to grant (signatures)
Search/Exam
Jun 11, 2024
Text intended for grant (clean copy)
Search/Exam
Jun 11, 2024
Sep 23, 2021
Decision to allow further processing
Search/Exam
Sep 14, 2021
(Electronic) Receipt
Search/Exam
Sep 14, 2021
Amended description with annotations
Search/Exam
Sep 14, 2021
Description
Search/Exam
Sep 14, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 14, 2021
Request for further processing
Search/Exam
Aug 12, 2021
May 7, 2021
May 3, 2021
(Electronic) Receipt
Search/Exam
May 3, 2021
Letter accompanying subsequently filed items
Search/Exam
May 3, 2021
Mar 12, 2021
Annex to the communication
Search/Exam
Mar 12, 2021
Communication from the Examining Division
Search/Exam
Jul 16, 2020
Jul 8, 2020
Oct 1, 2019
Sep 19, 2019
Observations by third parties
Search/Exam
Jun 13, 2019
Decision to allow further processing
Search/Exam
May 29, 2019
(Electronic) Receipt
Search/Exam
May 29, 2019
Letter accompanying subsequently filed items
Search/Exam
May 29, 2019
Request for further processing
Search/Exam
Apr 25, 2019
Dec 12, 2018
Dec 6, 2018
(Electronic) Receipt
Search/Exam
Dec 6, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 6, 2018
Sep 17, 2018
Annex to the communication
Search/Exam
Sep 17, 2018
Communication from the Examining Division
Search/Exam
Sep 10, 2018
Examination started
Search/Exam
Jun 26, 2018
Feb 12, 2018
Feb 1, 2018
Non-patent literature filed by a third party
Search/Exam
Feb 1, 2018
Non-patent literature filed by a third party
Search/Exam
Feb 1, 2018
Observations by third parties
Search/Exam
Nov 22, 2017
Submission concerning representation
Search/Exam
Jun 12, 2017
Decision to allow further processing
Search/Exam
May 22, 2017
(Electronic) Receipt
Search/Exam
May 22, 2017
May 22, 2017
Amended claims with annotations
Search/Exam
May 22, 2017
Letter accompanying subsequently filed items
Search/Exam
May 22, 2017
Request for further processing
Search/Exam
Mar 21, 2017
Mar 9, 2017
(Electronic) Receipt
Search/Exam
Mar 9, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 9, 2017
Maintenance of the application
Search/Exam
Nov 3, 2016
Refund of fees
Search/Exam
Aug 29, 2016
Jul 27, 2016
Notification of forthcoming publication
Search/Exam
Jul 25, 2016
Jul 25, 2016
European search opinion
Search/Exam
Jul 25, 2016
European search report
Search/Exam
Jul 25, 2016
Information on Search Strategy
Search/Exam
May 23, 2016
Communication to designated inventor
Search/Exam
Apr 20, 2016
Refund of fees
Search/Exam
Apr 8, 2016
Priority search results copy provided by EPO
Search/Exam
Mar 30, 2016
Abstract
Search/Exam
Mar 30, 2016
Mar 30, 2016
Claims
Search/Exam
Mar 30, 2016
Description
Search/Exam
Mar 30, 2016
Designation of inventor
Search/Exam
Mar 30, 2016
Request for grant of a European patent
Search/Exam
Apr 7, 2011