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The patent EP2943451 was granted to IFP Energies Nouvelles on Mar 15, 2017. The application was filed on Jan 10, 2014 under application number EP14703900A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| SCIENTIFIC DESIGN | Dec 14, 2017 | HGF | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US4396789 |
| DESCRIPTION | US6459009 |
| DESCRIPTION | WO2007134415 |
| DESCRIPTION | WO2011002699 |
| DESCRIPTION | WO2011076752 |
| DESCRIPTION | WO2013014002 |
| INTERNATIONAL-SEARCH-REPORT | WO2007134415 |
| INTERNATIONAL-SEARCH-REPORT | WO2011076752 |
| OPPOSITION | EP2338864 |
| OPPOSITION | WO2007134415 |
| OPPOSITION | WO2011037681 |
| OPPOSITION | WO2011076752 |
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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Mar 13, 2023
Refund of fees
Search/Exam
Mar 9, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 6, 2023
Mar 6, 2023
Mar 3, 2023
(Electronic) Receipt
Appeal
Mar 3, 2023
Mar 3, 2023
Withdrawal of an appeal
Appeal
Feb 13, 2023
Feb 8, 2023
(Electronic) Receipt
Appeal
Feb 8, 2023
Feb 8, 2023
Dec 13, 2022
Dec 13, 2022
Apr 20, 2022
Apr 20, 2022
Apr 13, 2022
Apr 7, 2022
Apr 7, 2022
Apr 6, 2022
(Electronic) Receipt
Appeal
Apr 6, 2022
(Electronic) Receipt
Appeal
Apr 6, 2022
Apr 6, 2022
Apr 6, 2022
Apr 6, 2022
Mar 31, 2022
Mar 31, 2022
Mar 28, 2022
Jan 24, 2022
Nov 10, 2021
Nov 10, 2021
Jul 29, 2020
Jul 24, 2020
(Electronic) Receipt
Appeal
Jul 24, 2020
Jul 24, 2020
Apr 9, 2020
Dec 2, 2019
Nov 26, 2019
(Electronic) Receipt
Appeal
Nov 26, 2019
Nov 26, 2019
Reply to appeal
Appeal
Aug 9, 2019
Refund of fees
Appeal
Aug 5, 2019
Jul 30, 2019
(Electronic) Receipt
Appeal
Jul 30, 2019
(Electronic) Receipt
Appeal
Jul 30, 2019
Jul 30, 2019
Jul 30, 2019
Jul 30, 2019
Jul 30, 2019
Jun 13, 2019
Jun 7, 2019
(Electronic) Receipt
Appeal
Jun 7, 2019
Jun 7, 2019
Jun 6, 2019
Jun 3, 2019
Jun 3, 2019
Jun 3, 2019
May 27, 2019
Processing of an appeal
Appeal
May 24, 2019
(Electronic) Receipt
Appeal
May 24, 2019
May 24, 2019
Notice of appeal
Appeal
Apr 24, 2019
Advice of delivery
Search/Exam
Apr 19, 2019
Apr 11, 2019
Apr 2, 2019
Mar 26, 2019
Mar 26, 2019
Mar 26, 2019
Mar 26, 2019
Mar 26, 2019
Mar 26, 2019
Mar 26, 2019
Mar 26, 2019
Mar 26, 2019
Mar 26, 2019
Mar 26, 2019
Mar 26, 2019
Mar 6, 2019
Feb 28, 2019
Feb 26, 2019
Feb 25, 2019
Feb 25, 2019
Feb 25, 2019
Feb 19, 2019
Feb 13, 2019
Feb 13, 2019
Feb 13, 2019
Jan 29, 2019
Jan 21, 2019
Jan 21, 2019
Jan 21, 2019
Jan 21, 2019
Jan 8, 2019
Jan 8, 2019
Jan 3, 2019
Jan 3, 2019
Jan 3, 2019
Jan 3, 2019
Claims
OPPO
Jan 3, 2019
Jan 3, 2019
Dec 21, 2018
Dec 21, 2018
Dec 21, 2018
Dec 14, 2018
Dec 7, 2018
Dec 7, 2018
Jul 26, 2018
Jul 18, 2018
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Jul 5, 2018
Jul 2, 2018
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Jul 2, 2018
Jul 2, 2018
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Jul 2, 2018
Jul 2, 2018
May 31, 2018
May 25, 2018
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May 25, 2018
May 7, 2018
May 7, 2018
May 4, 2018
Apr 25, 2018
Apr 25, 2018
Apr 25, 2018
Apr 25, 2018
Apr 25, 2018
Apr 25, 2018
Jan 15, 2018
Jan 15, 2018
Jan 3, 2018
Dec 14, 2017
Dec 14, 2017
Dec 14, 2017
Dec 14, 2017
Dec 14, 2017
Dec 14, 2017
Dec 14, 2017
Dec 14, 2017
Dec 4, 2017
(Electronic) Receipt
Search/Exam
Dec 4, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 4, 2017
Letter concerning the inventor
Search/Exam
Nov 10, 2017
Submission concerning representation
Search/Exam
Sep 26, 2017
Mar 16, 2017
Feb 16, 2017
Decision to grant a European patent
Search/Exam
Dec 19, 2016
(Electronic) Receipt
Search/Exam
Dec 19, 2016
English translation of the claims
Search/Exam
Dec 19, 2016
Filing of the translations of the claims
Search/Exam
Dec 19, 2016
German translation of the claims
Search/Exam
Dec 19, 2016
Letter accompanying subsequently filed items
Search/Exam
Sep 30, 2016
Sep 30, 2016
Sep 30, 2016
Intention to grant (signatures)
Search/Exam
Sep 30, 2016
Text intended for grant (clean copy)
Search/Exam
Sep 30, 2016
Sep 5, 2016
Examination started
Search/Exam
Feb 11, 2016
(Electronic) Receipt
Search/Exam
Feb 11, 2016
Feb 11, 2016
Amended claims with annotations
Search/Exam
Feb 11, 2016
Amendments received before examination
Search/Exam
Feb 11, 2016
Letter accompanying subsequently filed items
Search/Exam
Oct 21, 2015
Oct 14, 2015
Oct 14, 2015
Oct 1, 2015
Letter which had not been notified
Search/Exam
Oct 1, 2015
Letter which had not been notified
Search/Exam
Aug 26, 2015
Aug 24, 2015
Communication to designated inventor
Search/Exam
Aug 24, 2015
Communication to designated inventor
Search/Exam
Aug 24, 2015
Communication to designated inventor
Search/Exam
Aug 24, 2015
Communication to designated inventor
Search/Exam
Aug 24, 2015
Communication to designated inventor
Search/Exam
Aug 24, 2015
Communication to designated inventor
Search/Exam
Aug 24, 2015
Communication to designated inventor
Search/Exam
Aug 24, 2015
Communication to designated inventor
Search/Exam
Aug 19, 2015
Priority search results copy provided by EPO
Search/Exam
Jul 28, 2015
Jul 9, 2015
(Electronic) Receipt
Search/Exam
Jul 9, 2015
Request for entry into the European phase
Search/Exam
May 22, 2015
Information on entry into European phase
Search/Exam
Nov 27, 2014
Copy of the international search report
Search/Exam
Nov 27, 2014
Copy of the international search report
Search/Exam
Nov 27, 2014
Sep 15, 2014
Sep 15, 2014
Sep 15, 2014
Aug 13, 2014
CDS Clean up - amended applicant details
Search/Exam
Aug 4, 2014
Jul 17, 2014
Published international application - A2
Search/Exam
Apr 17, 2014
Feb 24, 2014
Jan 10, 2014
Abstract
PCTISA
Jan 10, 2014
Annex
PCTISA
Jan 10, 2014
Claims
PCTISA
Jan 10, 2014
Description
PCTISA
Jan 10, 2014
Drawings
PCTISA