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The patent EP2878370 was granted to IFP Energies Nouvelles on Sep 27, 2017. The application was filed on Oct 23, 2014 under application number EP14306681A. 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 |
|---|---|---|---|
| ALBEMARLE NETHERLANDS | Jun 27, 2018 | HOYNG ROKH MONEGIER | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0466568 |
| DESCRIPTION | EP0601722 |
| DESCRIPTION | EP0651041 |
| DESCRIPTION | EP1046424 |
| DESCRIPTION | US2011079542 |
| DESCRIPTION | US2013008829 |
| DESCRIPTION | US3954673 |
| DESCRIPTION | US4012340 |
| DESCRIPTION | WO0176741 |
| DESCRIPTION | WO9641848 |
| OPPOSITION | EP0183283 |
| OPPOSITION | EP1041133 |
| OPPOSITION | EP2878651 |
| OPPOSITION | FR2972648 |
| OPPOSITION | US2015144533 |
| OPPOSITION | US4392945 |
| OPPOSITION | US4902404 |
| OPPOSITION | US6235190 |
| OPPOSITION | WO0220702 |
| SEARCH | EP0601722 |
| SEARCH | FR2972648 |
| SEARCH | US2010236988 |
| SEARCH | WO2007084439 |
| SEARCH | WO2008045550 |
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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Nov 6, 2025
Nov 6, 2025
Nov 5, 2025
Oct 28, 2025
Oct 28, 2025
Oct 28, 2025
Oct 28, 2025
Oct 28, 2025
Oct 24, 2025
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Oct 24, 2025
Oct 17, 2025
Sep 8, 2025
Refund of fees
Appeal
Sep 4, 2025
Sep 4, 2025
Sep 4, 2025
Sep 4, 2025
Sep 2, 2025
Sep 1, 2025
Aug 29, 2025
(Electronic) Receipt
Appeal
Aug 29, 2025
Aug 29, 2025
Withdrawal of an appeal
Appeal
Aug 12, 2025
Aug 7, 2025
(Electronic) Receipt
Appeal
Aug 7, 2025
Aug 7, 2025
Jul 31, 2025
Jul 31, 2025
Jun 30, 2025
Jun 30, 2025
Jun 25, 2025
Jun 25, 2025
Jun 23, 2025
Jun 20, 2025
Jun 20, 2025
Jun 16, 2025
Mar 28, 2024
Mar 25, 2024
(Electronic) Receipt
Appeal
Mar 25, 2024
Mar 25, 2024
Reply to appeal
Appeal
Nov 27, 2023
Nov 22, 2023
(Electronic) Receipt
Appeal
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Sep 19, 2023
Sep 19, 2023
Sep 13, 2023
(Electronic) Receipt
Appeal
Sep 13, 2023
Sep 13, 2023
Notice of appeal
Appeal
Jul 21, 2023
Jul 21, 2023
Jul 21, 2023
Jul 14, 2023
Jul 14, 2023
Jul 14, 2023
Jul 14, 2023
Jul 14, 2023
Jul 14, 2023
Jul 14, 2023
Means of redress
OPPO
Jul 14, 2023
Jul 14, 2023
Jul 14, 2023
Jul 14, 2023
Jul 14, 2023
Jul 14, 2023
Jul 14, 2023
Jul 14, 2023
Jul 14, 2023
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Dec 7, 2022
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Nov 16, 2022
Oct 24, 2022
Oct 24, 2022
Oct 24, 2022
Oct 20, 2022
Oct 20, 2022
Oct 20, 2022
Oct 20, 2022
Oct 20, 2022
Oct 20, 2022
Aug 17, 2022
(Electronic) Receipt
Appeal
Aug 17, 2022
Advice of delivery
Appeal
Aug 17, 2022
Aug 11, 2022
Aug 11, 2022
Aug 11, 2022
Jun 17, 2022
Jun 17, 2022
Jun 17, 2022
May 12, 2022
May 12, 2022
May 12, 2022
May 9, 2022
(Electronic) Receipt
Appeal
May 9, 2022
May 9, 2022
May 9, 2022
May 9, 2022
Apr 12, 2022
Apr 7, 2022
(Electronic) Receipt
Appeal
Apr 7, 2022
Apr 7, 2022
Dec 22, 2021
Dec 22, 2021
Jul 14, 2021
(Electronic) Receipt
Appeal
Jul 14, 2021
Jul 14, 2021
Jun 25, 2021
Jun 25, 2021
Jun 22, 2021
Dec 18, 2020
Oct 29, 2020
Oct 23, 2020
(Electronic) Receipt
Appeal
Oct 23, 2020
Oct 23, 2020
Reply to appeal
Appeal
Aug 26, 2020
Aug 26, 2020
Aug 24, 2020
Aug 22, 2020
(Electronic) Receipt
Appeal
Aug 22, 2020
Aug 22, 2020
Apr 22, 2020
Apr 17, 2020
(Electronic) Receipt
Appeal
Apr 17, 2020
Apr 17, 2020
Apr 17, 2020
Apr 17, 2020
Apr 17, 2020
Apr 17, 2020
Apr 17, 2020
Feb 20, 2020
Feb 20, 2020
Feb 13, 2020
(Electronic) Receipt
Appeal
Feb 13, 2020
Feb 13, 2020
Notice of appeal
Appeal
Jan 8, 2020
Dec 19, 2019
Dec 18, 2019
Dec 18, 2019
Dec 18, 2019
Dec 18, 2019
Dec 18, 2019
Dec 18, 2019
Dec 18, 2019
Dec 18, 2019
Dec 18, 2019
Means of redress
OPPO
Dec 18, 2019
Dec 18, 2019
Dec 18, 2019
Dec 18, 2019
Nov 15, 2019
Oct 11, 2019
Oct 4, 2019
Oct 4, 2019
Oct 4, 2019
Sep 19, 2019
Sep 16, 2019
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Sep 13, 2019
Sep 10, 2019
Sep 10, 2019
Sep 10, 2019
Apr 11, 2019
Apr 5, 2019
Apr 3, 2019
Mar 28, 2019
Mar 28, 2019
Mar 28, 2019
Mar 28, 2019
Mar 28, 2019
Mar 28, 2019
Feb 5, 2019
Jan 29, 2019
Oct 12, 2018
Oct 5, 2018
Oct 5, 2018
Oct 5, 2018
Oct 5, 2018
Claims
OPPO
Oct 5, 2018
Oct 5, 2018
Jul 16, 2018
Jul 16, 2018
Jul 9, 2018
Jun 27, 2018
Jun 27, 2018
Jun 27, 2018
Jun 27, 2018
Jun 27, 2018
Jun 27, 2018
Jun 27, 2018
Jun 27, 2018
Jun 27, 2018
Jun 27, 2018
Jun 27, 2018
Jun 27, 2018
Jun 27, 2018
Jun 27, 2018
Nov 10, 2017
Submission concerning representation
Search/Exam
Oct 5, 2017
Sep 26, 2017
Aug 31, 2017
Decision to grant a European patent
Search/Exam
Aug 23, 2017
Aug 23, 2017
Aug 23, 2017
Intention to grant (signatures)
Search/Exam
Aug 23, 2017
Text intended for grant (clean copy)
Search/Exam
Aug 23, 2017
Jun 26, 2017
Jun 9, 2017
(Electronic) Receipt
Search/Exam
Jun 9, 2017
Description
Search/Exam
Jun 9, 2017
English translation of the claims
Search/Exam
Jun 9, 2017
German translation of the claims
Search/Exam
Jun 9, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 9, 2017
Feb 22, 2017
Feb 22, 2017
Feb 22, 2017
Intention to grant (signatures)
Search/Exam
Feb 22, 2017
Text intended for grant (clean copy)
Search/Exam
Feb 22, 2017
Feb 2, 2017
Examination started
Search/Exam
Dec 2, 2015
(Electronic) Receipt
Search/Exam
Dec 2, 2015
Dec 2, 2015
Amended description with annotations
Search/Exam
Dec 2, 2015
Letter accompanying subsequently filed items
Search/Exam
Dec 2, 2015
Matter concerning the application
Search/Exam
Nov 23, 2015
(Electronic) Receipt
Search/Exam
Nov 23, 2015
Nov 23, 2015
Amended description with annotations
Search/Exam
Nov 23, 2015
Amendments received before examination
Search/Exam
Nov 23, 2015
Annex
Search/Exam
Nov 23, 2015
Annex
Search/Exam
Nov 23, 2015
Letter accompanying subsequently filed items
Search/Exam
Jun 9, 2015
May 7, 2015
Notification of forthcoming publication
Search/Exam
Apr 1, 2015
Refund of fees
Search/Exam
Mar 23, 2015
Mar 23, 2015
European search opinion
Search/Exam
Mar 23, 2015
European search report
Search/Exam
Mar 18, 2015
Priority search results copy provided by EPO
Search/Exam
Mar 16, 2015
Search started
Search/Exam
Jan 16, 2015
Communication to designated inventor
Search/Exam
Jan 16, 2015
Communication to designated inventor
Search/Exam
Jan 16, 2015
Communication to designated inventor
Search/Exam
Nov 6, 2014
Letter concerning the priority
Search/Exam
Nov 6, 2014
Priority document
Search/Exam
Oct 23, 2014
Abstract
Search/Exam
Oct 23, 2014
Oct 23, 2014
Claims
Search/Exam
Oct 23, 2014
Description
Search/Exam
Oct 23, 2014
Designation of inventor
Search/Exam
Oct 23, 2014
Designation of inventor
Search/Exam
Oct 23, 2014
Designation of inventor
Search/Exam
Oct 23, 2014
Priority search results
Search/Exam
Oct 23, 2014
Request for grant of a European patent
Search/Exam