The weekly litigation news digest is live. Subscribe now
The patent EP3275965 was granted to The Chemours FC on Dec 25, 2019. The application was filed on Mar 3, 2006 under application number EP17188278A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| AGC | Sep 25, 2020 | MULLER BORE & PARTNER PATENTANWALTE PARTG MBB | ADMISSIBLE |
| DAIKIN INDUSTRIES | Sep 25, 2020 | HOFFMANN EITLE | WITHDRAWN |
| MEXICHEM FLUOR DE CV | Sep 25, 2020 | POTTER CLARKSON | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US20040910495 |
| DESCRIPTION | US20050062044 |
| DESCRIPTION | US5759430 |
| DESCRIPTION | USRE36951E |
| OPPOSITION | JPH04110388 |
| OPPOSITION | RU2073058 |
| OPPOSITION | US2003164334 |
| OPPOSITION | US2004089839 |
| OPPOSITION | US2004256594 |
| OPPOSITION | WO2004037913 |
| OPPOSITION | WO2005103187 |
| OPPOSITION | WO2005103188 |
| OPPOSITION | WO2005105947 |
| OPPOSITION | WO2005108523 |
| SEARCH | JPH04110388 |
| SEARCH | US2004089839 |
| SEARCH | US2004256594 |
| SEARCH | WO2005108523 |
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
Get instant alerts for new documents
Jan 24, 2025
Refund of fees
Search/Exam
Jan 22, 2025
Jan 22, 2025
Jan 22, 2025
Jan 16, 2025
Jan 13, 2025
(Electronic) Receipt
Appeal
Jan 13, 2025
Jan 13, 2025
Jan 13, 2025
Jan 7, 2025
(Electronic) Receipt
Appeal
Jan 7, 2025
Jan 7, 2025
Jan 3, 2025
Dec 23, 2024
(Electronic) Receipt
Appeal
Dec 23, 2024
Dec 23, 2024
Dec 23, 2024
Dec 12, 2024
(Electronic) Receipt
Appeal
Dec 12, 2024
Sep 25, 2024
Sep 25, 2024
Jun 21, 2024
Jun 21, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 17, 2024
(Electronic) Receipt
Appeal
May 17, 2024
May 17, 2024
Apr 18, 2024
Apr 18, 2024
Apr 15, 2024
Feb 22, 2024
Feb 7, 2024
Feb 7, 2024
Jan 25, 2024
Jan 10, 2024
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 30, 2023
Oct 26, 2023
(Electronic) Receipt
Appeal
Oct 26, 2023
Oct 26, 2023
Oct 26, 2023
Oct 26, 2023
Oct 26, 2023
Oct 26, 2023
Oct 26, 2023
Oct 26, 2023
Oct 26, 2023
Oct 26, 2023
Oct 26, 2023
Oct 26, 2023
Oct 26, 2023
Oct 26, 2023
Oct 26, 2023
Oct 26, 2023
Oct 26, 2023
Oct 26, 2023
Oct 26, 2023
Sep 20, 2023
Sep 20, 2023
Sep 20, 2023
Sep 13, 2023
(Electronic) Receipt
Appeal
Sep 13, 2023
Sep 13, 2023
Feb 13, 2023
Feb 13, 2023
Feb 7, 2023
(Electronic) Receipt
Appeal
Feb 7, 2023
Feb 7, 2023
Reply to appeal
Appeal
Feb 7, 2023
Reply to appeal
Appeal
Feb 2, 2023
Feb 2, 2023
Jan 30, 2023
(Electronic) Receipt
Appeal
Jan 30, 2023
Jan 30, 2023
Reply to appeal
Appeal
Dec 20, 2022
Oct 14, 2022
Oct 14, 2022
Oct 14, 2022
Oct 14, 2022
Oct 11, 2022
(Electronic) Receipt
Appeal
Oct 11, 2022
Oct 11, 2022
Sep 27, 2022
Sep 27, 2022
Sep 27, 2022
Sep 22, 2022
(Electronic) Receipt
Appeal
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Sep 22, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 3, 2022
(Electronic) Receipt
Appeal
Aug 3, 2022
Aug 3, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Jul 15, 2022
(Electronic) Receipt
Appeal
Jul 15, 2022
Jul 15, 2022
Notice of appeal
Appeal
May 23, 2022
May 20, 2022
May 20, 2022
May 20, 2022
May 20, 2022
May 20, 2022
May 20, 2022
May 20, 2022
May 20, 2022
Means of redress
OPPO
May 20, 2022
May 20, 2022
May 20, 2022
May 20, 2022
May 20, 2022
May 20, 2022
May 20, 2022
May 20, 2022
May 20, 2022
May 20, 2022
May 20, 2022
May 20, 2022
May 20, 2022
May 20, 2022
May 20, 2022
Mar 29, 2022
Mar 28, 2022
Mar 28, 2022
Mar 28, 2022
Feb 9, 2022
Feb 9, 2022
Feb 9, 2022
Feb 4, 2022
Feb 4, 2022
Feb 4, 2022
Feb 3, 2022
Feb 3, 2022
Feb 3, 2022
Feb 3, 2022
Feb 1, 2022
Feb 1, 2022
Feb 1, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 28, 2022
Jan 26, 2022
Jan 26, 2022
Jan 26, 2022
Jan 25, 2022
Jan 25, 2022
Jan 25, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Jan 20, 2022
Dec 9, 2021
Dec 9, 2021
Dec 9, 2021
Dec 9, 2021
May 10, 2021
May 7, 2021
May 7, 2021
May 7, 2021
May 6, 2021
May 5, 2021
Apr 30, 2021
Apr 30, 2021
Apr 30, 2021
Apr 30, 2021
Apr 30, 2021
Apr 30, 2021
Apr 30, 2021
Apr 30, 2021
Apr 30, 2021
Apr 30, 2021
Apr 30, 2021
Feb 12, 2021
Feb 12, 2021
Feb 12, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Feb 9, 2021
Oct 13, 2020
Oct 13, 2020
Oct 13, 2020
Oct 13, 2020
Oct 1, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Jan 3, 2020
Nov 28, 2019
Decision to grant a European patent
Search/Exam
Nov 15, 2019
(Electronic) Receipt
Search/Exam
Nov 15, 2019
Filing of the translations of the claims
Search/Exam
Nov 15, 2019
French translation of claims
Search/Exam
Nov 15, 2019
German translation of the claims
Search/Exam
Nov 15, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 23, 2019
Aug 23, 2019
Aug 23, 2019
Intention to grant (signatures)
Search/Exam
Aug 23, 2019
Text intended for grant (clean copy)
Search/Exam
Aug 23, 2019
Jun 14, 2019
Amended description with annotations
Search/Exam
Jun 14, 2019
Description
Search/Exam
Jun 14, 2019
May 17, 2019
Annex to the communication
Search/Exam
May 17, 2019
Communication from the Examining Division
Search/Exam
Mar 29, 2019
Amended claims with annotations
Search/Exam
Mar 29, 2019
Amended description with annotations
Search/Exam
Mar 29, 2019
Claims
Search/Exam
Mar 29, 2019
Description
Search/Exam
Mar 29, 2019
Feb 28, 2019
Annex to the communication
Search/Exam
Feb 28, 2019
Communication from the Examining Division
Search/Exam
Jan 24, 2019
Amended claims with annotations
Search/Exam
Jan 24, 2019
Claims
Search/Exam
Jan 24, 2019
Oct 22, 2018
Annex to the communication
Search/Exam
Oct 22, 2018
Communication from the Examining Division
Search/Exam
Oct 15, 2018
Examination started
Search/Exam
Apr 5, 2018
Apr 5, 2018
Amended claims with annotations
Search/Exam
Apr 5, 2018
Amendments received before examination
Search/Exam
Feb 5, 2018
Jan 4, 2018
Notification of forthcoming publication
Search/Exam
Dec 11, 2017
Dec 11, 2017
European search opinion
Search/Exam
Dec 11, 2017
European search report
Search/Exam
Dec 11, 2017
Information on Search Strategy
Search/Exam
Nov 27, 2017
Search started
Search/Exam
Oct 20, 2017
Communication to designated inventor
Search/Exam
Aug 29, 2017
Abstract
Search/Exam
Aug 29, 2017
Aug 29, 2017
Claims
Search/Exam
Aug 29, 2017
Description
Search/Exam
Aug 29, 2017
Designation of inventor
Search/Exam
Aug 29, 2017
Request for grant of a European patent
Search/Exam
Sep 27, 2006
Sep 27, 2006
Sep 27, 2006