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The patent EP2675932 was granted to Constellium France on Aug 16, 2017. The application was filed on Feb 16, 2012 under application number EP12709904A. 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 |
|---|---|---|---|
| ARCONIC | May 11, 2018 | FORRESTERS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | CH669795 |
| DESCRIPTION | US2007235159 |
| DESCRIPTION | US4564059 |
| DESCRIPTION | US5772800 |
| DESCRIPTION | WO0065109 |
| INTERNATIONAL-SEARCH-REPORT | CH669795 |
| INTERNATIONAL-SEARCH-REPORT | EP0027052 |
| INTERNATIONAL-SEARCH-REPORT | EP0300136 |
| INTERNATIONAL-SEARCH-REPORT | FR1137785 |
| INTERNATIONAL-SEARCH-REPORT | US2007235159 |
| INTERNATIONAL-SEARCH-REPORT | US4564059 |
| INTERNATIONAL-SEARCH-REPORT | WO0065109 |
| INTERNATIONAL-SEARCH-REPORT | WO2011127402 |
| INTERNATIONAL-SEARCH-REPORT | WO9319873 |
| OPPOSITION | US2007235159 |
| OPPOSITION | US4564059 |
| OPPOSITION | US6253831 |
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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May 26, 2023
(Electronic) Receipt
Appeal
May 26, 2023
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May 25, 2023
May 24, 2023
(Electronic) Receipt
Appeal
May 24, 2023
May 24, 2023
May 3, 2023
Apr 27, 2023
(Electronic) Receipt
Appeal
Apr 27, 2023
Apr 27, 2023
Apr 24, 2023
Refund of fees
Appeal
Apr 20, 2023
Apr 14, 2023
(Electronic) Receipt
Appeal
Apr 14, 2023
Apr 14, 2023
Withdrawal of an appeal
Appeal
Mar 27, 2023
Mar 27, 2023
Mar 10, 2023
Mar 10, 2023
Mar 6, 2023
Mar 2, 2023
Oct 5, 2020
Sep 29, 2020
(Electronic) Receipt
Appeal
Sep 29, 2020
Sep 29, 2020
Sep 29, 2020
Sep 29, 2020
Sep 29, 2020
Sep 14, 2020
Sep 14, 2020
Sep 14, 2020
Aug 21, 2020
Aug 21, 2020
Aug 20, 2020
Aug 17, 2020
(Electronic) Receipt
Appeal
Aug 17, 2020
Aug 17, 2020
Reply to appeal
Appeal
Aug 14, 2020
Aug 11, 2020
Aug 10, 2020
(Electronic) Receipt
Appeal
Aug 10, 2020
Aug 10, 2020
Aug 10, 2020
Aug 10, 2020
Aug 10, 2020
Aug 6, 2020
(Electronic) Receipt
Appeal
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Aug 6, 2020
Reply to appeal
Appeal
Apr 7, 2020
Apr 7, 2020
Apr 2, 2020
(Electronic) Receipt
Appeal
Apr 2, 2020
Apr 2, 2020
Apr 2, 2020
Mar 31, 2020
(Electronic) Receipt
Appeal
Mar 31, 2020
Mar 31, 2020
Mar 31, 2020
Mar 31, 2020
Mar 31, 2020
Mar 31, 2020
Mar 31, 2020
Mar 31, 2020
Mar 31, 2020
Mar 31, 2020
Mar 31, 2020
Mar 31, 2020
Feb 6, 2020
Feb 6, 2020
Feb 3, 2020
(Electronic) Receipt
Appeal
Feb 3, 2020
Feb 3, 2020
Notice of appeal
Appeal
Jan 29, 2020
Jan 29, 2020
Jan 22, 2020
(Electronic) Receipt
Appeal
Jan 22, 2020
Jan 22, 2020
Notice of appeal
Appeal
Dec 2, 2019
Nov 25, 2019
Nov 22, 2019
Nov 22, 2019
Nov 22, 2019
Nov 22, 2019
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Means of redress
OPPO
Nov 22, 2019
Nov 22, 2019
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Nov 22, 2019
Nov 22, 2019
Oct 9, 2019
Aug 16, 2019
Aug 14, 2019
Aug 9, 2019
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Jul 16, 2019
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Mar 14, 2019
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Mar 13, 2019
Oct 23, 2018
Oct 17, 2018
Oct 17, 2018
Oct 17, 2018
Oct 17, 2018
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Jun 14, 2018
Jun 14, 2018
Jun 5, 2018
May 29, 2018
May 29, 2018
May 22, 2018
May 11, 2018
May 11, 2018
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May 11, 2018
Aug 17, 2017
Jul 20, 2017
Decision to grant a European patent
Search/Exam
Jul 7, 2017
(Electronic) Receipt
Search/Exam
Jul 7, 2017
English translation of the claims
Search/Exam
Jul 7, 2017
Filing of the translations of the claims
Search/Exam
Jul 7, 2017
German translation of the claims
Search/Exam
Jul 7, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 27, 2017
CDS Clean up - amended applicant details
Search/Exam
Mar 13, 2017
Mar 13, 2017
Mar 13, 2017
Intention to grant (signatures)
Search/Exam
Mar 13, 2017
Text intended for grant
Search/Exam
Feb 3, 2017
Examination started
Search/Exam
Mar 9, 2016
Feb 18, 2016
Apr 28, 2015
Apr 14, 2015
Mar 31, 2014
Mar 31, 2014
Amended claims with annotations
Search/Exam
Mar 31, 2014
Amendments received before examination
Search/Exam
Nov 27, 2013
Sep 27, 2013
Sep 23, 2013
Communication to designated inventor
Search/Exam
Sep 21, 2013
Priority search results copy provided by EPO
Search/Exam
Sep 11, 2013
Annex
Search/Exam
Sep 11, 2013
General authorisation
Search/Exam
Sep 11, 2013
Matter concerning the application
Search/Exam
Sep 11, 2013
Payment of fees and costs
Search/Exam
Sep 11, 2013
Request for entry into the European phase
Search/Exam
Sep 3, 2013
Jun 28, 2013
Information on entry into European phase
Search/Exam
Sep 11, 2012
Sep 11, 2012
Aug 23, 2012
Copy of the international search report
Search/Exam
Aug 23, 2012
Copy of the international search report
Search/Exam
Aug 23, 2012
Published international application - A1
Search/Exam
Jul 9, 2012
Jul 9, 2012
Jul 9, 2012
Jul 9, 2012
Jul 9, 2012
Jul 9, 2012
Mar 22, 2012
Abstract
PCTISA
Mar 22, 2012
Claims
PCTISA
Mar 22, 2012
Description
PCTISA
Mar 22, 2012
Drawings
PCTISA
Mar 22, 2012