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The patent EP3002347 was granted to Alcoa on Jul 15, 2020. The application was filed on Sep 29, 2010 under application number EP15193100A. 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 |
|---|---|---|---|
| METALCOLOR | Apr 14, 2021 | GROSFILLIER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US20070828305 |
| DESCRIPTION | US6455148 |
| OPPOSITION | DE10158433 |
| OPPOSITION | JP2001131768 |
| OPPOSITION | JP2002200696 |
| OPPOSITION | JP2004307957 |
| OPPOSITION | KR20000060046 |
| OPPOSITION | KR20020021751 |
| OPPOSITION | US2007167551 |
| OPPOSITION | US2008241573 |
| OPPOSITION | WO2005118723 |
| SEARCH | JP2001131768 |
| SEARCH | JP2002200696 |
| SEARCH | JP2004307957 |
| SEARCH | US2008241573 |
| SEARCH | WO2005118723 |
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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Jun 27, 2025
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Apr 7, 2025
Apr 7, 2025
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(Electronic) Receipt
Appeal
Apr 6, 2025
Apr 6, 2025
Mar 24, 2025
(Electronic) Receipt
Appeal
Mar 24, 2025
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(Electronic) Receipt
Appeal
Jan 22, 2025
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Dec 11, 2024
(Electronic) Receipt
Appeal
Dec 11, 2024
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Nov 29, 2024
Nov 29, 2024
Nov 27, 2024
Nov 27, 2024
Nov 23, 2024
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(Electronic) Receipt
Appeal
Nov 18, 2024
Nov 18, 2024
Nov 14, 2024
Nov 14, 2024
Nov 11, 2024
Nov 8, 2024
Nov 6, 2024
(Electronic) Receipt
Appeal
Nov 6, 2024
Nov 6, 2024
Nov 6, 2024
Nov 6, 2024
Nov 6, 2024
Oct 31, 2024
Mar 3, 2024
Oct 10, 2023
Sep 29, 2023
(Electronic) Receipt
Appeal
Sep 29, 2023
Sep 29, 2023
Reply to appeal
Appeal
May 26, 2023
May 15, 2023
(Electronic) Receipt
Appeal
May 15, 2023
May 15, 2023
May 15, 2023
May 15, 2023
May 15, 2023
May 15, 2023
May 15, 2023
May 15, 2023
May 15, 2023
May 15, 2023
Apr 11, 2023
Apr 11, 2023
Mar 10, 2023
(Electronic) Receipt
Appeal
Mar 10, 2023
Mar 10, 2023
Notice of appeal
Appeal
Jan 18, 2023
Letter accompanying subsequently filed items
Search/Exam
Jan 18, 2023
Request concerning representative opponent
Search/Exam
Jan 10, 2023
Jan 4, 2023
Jan 4, 2023
Jan 4, 2023
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Means of redress
OPPO
Jan 4, 2023
Jan 4, 2023
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Feb 15, 2022
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Feb 15, 2022
Feb 11, 2022
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Nov 19, 2021
Nov 15, 2021
Nov 4, 2021
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Sep 10, 2021
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Apr 30, 2021
Apr 30, 2021
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Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Jul 27, 2020
Jun 18, 2020
Decision to grant a European patent
Search/Exam
May 28, 2020
(Electronic) Receipt
Search/Exam
May 28, 2020
Filing of the translations of the claims
Search/Exam
May 28, 2020
French translation of claims
Search/Exam
May 28, 2020
German translation of the claims
Search/Exam
May 28, 2020
Letter accompanying subsequently filed items
Search/Exam
May 11, 2020
May 4, 2020
(Electronic) Receipt
Search/Exam
May 4, 2020
Annexes in respect of a client data request
Search/Exam
May 4, 2020
Annexes in respect of a client data request
Search/Exam
May 4, 2020
May 4, 2020
Letter accompanying subsequently filed items
Search/Exam
May 4, 2020
Apr 3, 2020
(Electronic) Receipt
Search/Exam
Apr 3, 2020
Annex
Search/Exam
Apr 3, 2020
Annexes in respect of a client data request
Search/Exam
Apr 3, 2020
Authorisation
Search/Exam
Apr 3, 2020
Authorisation
Search/Exam
Apr 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 3, 2020
Apr 3, 2020
Mar 9, 2020
Mar 9, 2020
Mar 9, 2020
Intention to grant (signatures)
Search/Exam
Mar 9, 2020
Text intended for grant (clean copy)
Search/Exam
Mar 9, 2020
Jul 17, 2019
(Electronic) Receipt
Search/Exam
Jul 17, 2019
Amended claims with annotations
Search/Exam
Jul 17, 2019
Amended description with annotations
Search/Exam
Jul 17, 2019
Claims
Search/Exam
Jul 17, 2019
Description
Search/Exam
Jul 17, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 17, 2019
Mar 7, 2019
Annex to the communication
Search/Exam
Mar 7, 2019
Communication from the Examining Division
Search/Exam
Jan 30, 2018
(Electronic) Receipt
Search/Exam
Jan 30, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 30, 2018
Dec 6, 2017
Dec 1, 2017
Nov 30, 2017
Jul 20, 2017
Annex to the communication
Search/Exam
Jul 20, 2017
Communication from the Examining Division
Search/Exam
Jul 14, 2017
Examination started
Search/Exam
Mar 9, 2017
Mar 2, 2017
Mar 2, 2017
Oct 28, 2016
Oct 28, 2016
Amendments received before examination
Search/Exam
Oct 28, 2016
Payment of fees and costs
Search/Exam
Oct 27, 2016
Oct 27, 2016
Amendments received before examination
Search/Exam
Oct 27, 2016
Payment of fees and costs
Search/Exam
Oct 27, 2016
Payment of fees and costs
Search/Exam
Sep 29, 2016
Submission concerning representation
Search/Exam
May 2, 2016
Mar 30, 2016
Mar 30, 2016
European search opinion
Search/Exam
Mar 30, 2016
European search report
Search/Exam
Mar 30, 2016
Information on Search Strategy
Search/Exam
Mar 9, 2016
Notification of forthcoming publication
Search/Exam
Jan 7, 2016
Communication to designated inventor
Search/Exam
Jan 7, 2016
Communication to designated inventor
Search/Exam
Jan 7, 2016
Communication to designated inventor
Search/Exam
Jan 7, 2016
Communication to designated inventor
Search/Exam
Jan 7, 2016
Communication to designated inventor
Search/Exam
Jan 7, 2016
Communication to designated inventor
Search/Exam
Jan 7, 2016
Communication to designated inventor
Search/Exam
Jan 7, 2016
Communication to designated inventor
Search/Exam
Jan 7, 2016
Communication to designated inventor
Search/Exam
Jan 7, 2016
Communication to designated inventor
Search/Exam
Nov 5, 2015
Abstract
Search/Exam
Nov 5, 2015
Nov 5, 2015
Claims
Search/Exam
Nov 5, 2015
Description
Search/Exam
Nov 5, 2015
Designation of inventor
Search/Exam
Nov 5, 2015
Drawings
Search/Exam
Nov 5, 2015
Request for grant of a European patent
Search/Exam
Nov 30, 2010