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The patent EP2686165 was granted to Alcoa on Oct 10, 2018. The application was filed on Mar 16, 2012 under application number EP12711518A. 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 |
|---|---|---|---|
| C TEC CONSTELLIUM TECHNOLOGY CENTER CONSTELLIUM NEUF BRISACH | Jul 10, 2019 | CONSTELLIUM PROPRIETE INDUSTRIELLE | ADMISSIBLE |
| GRANGES | Jul 8, 2019 | VALEA | ADMISSIBLE |
| MAHLE | Jul 8, 2019 | GRAUEL | ADMISSIBLE |
| NOVELIS KOBLENZ | Jul 8, 2019 | WEICKMANN & WEICKMANN PARTMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US7264038 |
| DESCRIPTION | US7472740 |
| DESCRIPTION | US7611778 |
| EXAMINATION | EP0799667 |
| INTERNATIONAL-SEARCH-REPORT | US2002142185 |
| INTERNATIONAL-SEARCH-REPORT | US2006003181 |
| INTERNATIONAL-SEARCH-REPORT | WO03089237 |
| OPPOSITION | EP0799667 |
| OPPOSITION | JP2006152380 |
| OPPOSITION | JP2008189998 |
| OPPOSITION | US2002142185 |
| OPPOSITION | US2006003181 |
| OPPOSITION | US2006196645 |
| OPPOSITION | US2821014 |
| OPPOSITION | US7255932 |
| OPPOSITION | WO03089237 |
| OPPOSITION | WO2007042206 |
| OTHER | EP0799667 |
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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Dec 13, 2023
Advice of delivery
Appeal
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Sep 13, 2018
Decision to grant a European patent
Search/Exam
Aug 28, 2018
(Electronic) Receipt
Search/Exam
Aug 28, 2018
Filing of the translations of the claims
Search/Exam
Aug 28, 2018
French translation of claims
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Aug 28, 2018
German translation of the claims
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Aug 28, 2018
Letter accompanying subsequently filed items
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Jun 27, 2018
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Intention to grant (signatures)
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Jun 27, 2018
Text intended for grant (clean copy)
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Jun 27, 2018
May 28, 2018
May 22, 2018
Amended claims with annotations
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May 22, 2018
Claims
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May 22, 2018
May 18, 2018
Amended claims with annotations
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May 18, 2018
Claims
Search/Exam
May 18, 2018
May 17, 2018
Annex to the communication
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May 17, 2018
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Apr 6, 2018
Amended claims with annotations
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Apr 6, 2018
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Apr 6, 2018
Amended claims with annotations
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Apr 6, 2018
Claims
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Apr 6, 2018
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Apr 6, 2018
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Apr 6, 2018
Jan 25, 2018
Advice of delivery
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Jan 3, 2018
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Dec 12, 2017
Advice of delivery
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Dec 8, 2017
Acknowledgement of a document
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Dec 8, 2017
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Summons to attend oral proceedings
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Nov 28, 2017
Advice of delivery
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Nov 27, 2017
Annex
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Nov 27, 2017
Nov 24, 2017
Acknowledgement of a document
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Nov 24, 2017
Annex to the communication
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Nov 24, 2017
Preparation for oral proceedings
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Nov 24, 2017
Summons to attend oral proceedings
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Aug 4, 2017
(Electronic) Receipt
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Aug 4, 2017
Amended claims with annotations
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Aug 4, 2017
Claims
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Aug 4, 2017
Letter accompanying subsequently filed items
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Aug 4, 2017
Mar 29, 2017
Annex to the communication
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Mar 29, 2017
Communication from the Examining Division
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Mar 9, 2017
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Dec 6, 2016
Amended claims with annotations
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Dec 6, 2016
Amended claims with annotations
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Dec 6, 2016
Claims
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Dec 6, 2016
Claims
Search/Exam
Dec 6, 2016
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Jul 27, 2016
Annex to the communication
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Jul 27, 2016
Communication from the Examining Division
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Jul 20, 2016
Examination started
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Jun 10, 2016
Submission concerning representation
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Jun 10, 2016
Submission concerning representation
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Aug 27, 2015
Aug 17, 2015
Observations by third parties
Search/Exam
Aug 17, 2015
Observations by third parties
Search/Exam
Aug 17, 2015
Patent document filed by a Third party
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Jul 17, 2014
Decision to allow further processing
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Jul 3, 2014
Jul 3, 2014
Amended claims with annotations
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Jul 3, 2014
Payment of fees and costs
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Jul 3, 2014
Request for further processing
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Jun 26, 2014
May 22, 2014
May 16, 2014
Matter concerning the application
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Feb 12, 2014
Submission concerning representation
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Jan 7, 2014
Nov 8, 2013
Nov 6, 2013
Communication to designated inventor
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Nov 6, 2013
Communication to designated inventor
Search/Exam
Nov 6, 2013
Communication to designated inventor
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Oct 11, 2013
(Electronic) Receipt
Search/Exam
Oct 11, 2013
Oct 11, 2013
Request for entry into the European phase
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Oct 11, 2013
Submission concerning representation
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Oct 1, 2013
Jul 24, 2013
Information on entry into European phase
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Oct 11, 2012
Sep 20, 2012
Copy of the international search report
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Sep 20, 2012
Published international application - A1
Search/Exam
Jun 7, 2012
Jun 6, 2012
Jun 6, 2012
Jun 6, 2012
Mar 29, 2012
Abstract
PCTISA
Mar 29, 2012
Claims
PCTISA
Mar 29, 2012
Description
PCTISA
Mar 29, 2012
Drawings
PCTISA
Mar 29, 2012