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The patent EP3354706 was granted to The Chemours FC on Jan 3, 2024. The application was filed on May 2, 2011 under application number EP18162959A. 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 |
|---|---|---|---|
| ARKEMA FRANCE | Oct 1, 2024 | BANDPAY & GREUTER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2009234165 |
| OPPOSITION | EP1948579 |
| SEARCH | US2007100174 |
| SEARCH | US2009151365 |
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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Authorisation
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Decision to grant a European patent
Search/Exam
Nov 24, 2023
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Nov 14, 2023
(Electronic) Receipt
Search/Exam
Nov 14, 2023
Filing of the translations of the claims
Search/Exam
Nov 14, 2023
French translation of claims
Search/Exam
Nov 14, 2023
German translation of the claims
Search/Exam
Nov 14, 2023
Letter accompanying subsequently filed items
Search/Exam
Jul 4, 2023
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Intention to grant (signatures)
Search/Exam
Jul 4, 2023
Text intended for grant (clean copy)
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Jul 4, 2023
Jun 8, 2023
(Electronic) Receipt
Search/Exam
Jun 8, 2023
Amended description with annotations
Search/Exam
Jun 8, 2023
Description
Search/Exam
Jun 8, 2023
Letter accompanying subsequently filed items
Search/Exam
Jun 8, 2023
Feb 2, 2023
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Intention to grant (signatures)
Search/Exam
Feb 2, 2023
Text intended for grant (clean copy)
Search/Exam
Feb 2, 2023
Aug 19, 2022
Decision to allow further processing
Search/Exam
Aug 9, 2022
(Electronic) Receipt
Search/Exam
Aug 9, 2022
Amended claims with annotations
Search/Exam
Aug 9, 2022
Amended description with annotations
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Aug 9, 2022
Claims
Search/Exam
Aug 9, 2022
Description
Search/Exam
Aug 9, 2022
Letter accompanying subsequently filed items
Search/Exam
Aug 9, 2022
Request for further processing
Search/Exam
May 30, 2022
Mar 10, 2022
Mar 4, 2022
(Electronic) Receipt
Search/Exam
Mar 4, 2022
Oct 27, 2021
Annex to the communication
Search/Exam
Oct 27, 2021
Communication from the Examining Division
Search/Exam
Aug 18, 2021
Aug 4, 2021
(Electronic) Receipt
Search/Exam
Aug 4, 2021
Enquiry as to the processing of the file
Search/Exam
Aug 4, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 13, 2020
(Electronic) Receipt
Search/Exam
Jan 13, 2020
Amended description with annotations
Search/Exam
Jan 13, 2020
Description
Search/Exam
Jan 13, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 13, 2020
Dec 4, 2019
Nov 29, 2019
(Electronic) Receipt
Search/Exam
Nov 29, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 29, 2019
Jul 24, 2019
Annex to the communication
Search/Exam
Jul 24, 2019
Communication from the Examining Division
Search/Exam
Jul 18, 2019
Examination started
Search/Exam
Feb 1, 2019
(Electronic) Receipt
Search/Exam
Feb 1, 2019
Feb 1, 2019
Amendments received before examination
Search/Exam
Feb 1, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 5, 2018
(Electronic) Receipt
Search/Exam
Dec 5, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 5, 2018
Letter concerning fees and payments
Search/Exam
Aug 6, 2018
Jul 4, 2018
Notification of forthcoming publication
Search/Exam
Jun 20, 2018
Refund of fees
Search/Exam
Jun 4, 2018
Jun 4, 2018
European search opinion
Search/Exam
Jun 4, 2018
European search report
Search/Exam
Jun 4, 2018
Information on Search Strategy
Search/Exam
May 23, 2018
Search started
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May 14, 2018
Communication to designated inventor
Search/Exam
May 14, 2018
Communication to designated inventor
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May 14, 2018
Communication to designated inventor
Search/Exam
Mar 20, 2018
Abstract
Search/Exam
Mar 20, 2018
Mar 20, 2018
Claims
Search/Exam
Mar 20, 2018
Description
Search/Exam
Mar 20, 2018
Designation of inventor
Search/Exam
Mar 20, 2018
Request for grant of a European patent
Search/Exam
Nov 28, 2011
Nov 28, 2011