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The patent EP3395707 was granted to Hydro Aluminium Rolled Products on May 21, 2025. The application was filed on Apr 26, 2017 under application number EP17168246A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| NOVELIS | Jun 1, 2022 | WEICKMANN & WEICKMANN PARTMBB | ADMISSIBLE |
| C TEC CONSTELLIUM TECHNOLOGY CENTER CONSTELLIUM NEUF BRISACH CONSTELLIUM MUSCLE SHOALS | May 31, 2022 | CONSTELLIUM PROPRIETE INDUSTRIELLE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2016063876 |
| DESCRIPTION | WO2017016686 |
| OPPOSITION | EP0312302 |
| OPPOSITION | EP0312304 |
| OPPOSITION | EP0312305 |
| OPPOSITION | EP0312307 |
| OPPOSITION | EP0828663 |
| OPPOSITION | GB2242159 |
| OPPOSITION | JPH0970925 |
| OPPOSITION | US2015376739 |
| OPPOSITION | US5197536 |
| OPPOSITION | US5582319 |
| OPPOSITION | WO9317864 |
| OPPOSITION | WO9846488 |
| SEARCH | DE3884405T |
| SEARCH | EP1982923 |
| SEARCH | US2015376739 |
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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Apr 25, 2025
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Refund of fees
Appeal
Jan 14, 2025
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(Electronic) Receipt
Appeal
Jan 9, 2025
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Withdrawal of an appeal
Appeal
Nov 14, 2024
Nov 14, 2024
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Nov 8, 2024
(Electronic) Receipt
Appeal
Nov 8, 2024
Notice of appeal
Appeal
Nov 8, 2024
Notice of appeal
Appeal
Sep 9, 2024
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Means of redress
OPPO
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Sep 14, 2021
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(Electronic) Receipt
Search/Exam
Aug 23, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 23, 2021
Letter concerning the inventor
Search/Exam
Aug 5, 2021
Decision to grant a European patent
Search/Exam
Jul 28, 2021
Jul 28, 2021
Jul 22, 2021
(Electronic) Receipt
Search/Exam
Jul 22, 2021
Annexes in respect of a client data request
Search/Exam
Jul 22, 2021
English translation of the claims
Search/Exam
Jul 22, 2021
Filing of the translations of the claims
Search/Exam
Jul 22, 2021
French translation of claims
Search/Exam
Jul 22, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 22, 2021
Letter concerning the inventor
Search/Exam
Jul 22, 2021
Mar 16, 2021
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Mar 16, 2021
Text intended for grant (clean copy)
Search/Exam
Mar 16, 2021
Mar 15, 2021
Intention to grant (signatures)
Search/Exam
Dec 17, 2020
(Electronic) Receipt
Search/Exam
Dec 17, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 17, 2020
Sep 8, 2020
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Sep 8, 2020
Intention to grant (signatures)
Search/Exam
Sep 8, 2020
Text intended for grant (clean copy)
Search/Exam
Sep 8, 2020
Jul 16, 2020
(Electronic) Receipt
Search/Exam
Jul 16, 2020
Amended claims with annotations
Search/Exam
Jul 16, 2020
Amended description with annotations
Search/Exam
Jul 16, 2020
Claims
Search/Exam
Jul 16, 2020
Description
Search/Exam
Jul 16, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 16, 2020
Jun 2, 2020
May 26, 2020
(Electronic) Receipt
Search/Exam
May 26, 2020
Letter accompanying subsequently filed items
Search/Exam
May 26, 2020
Jan 21, 2020
Annex to the communication
Search/Exam
Jan 21, 2020
Communication from the Examining Division
Search/Exam
Dec 13, 2019
(Electronic) Receipt
Search/Exam
Dec 13, 2019
Amended claims with annotations
Search/Exam
Dec 13, 2019
Claims
Search/Exam
Dec 13, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 13, 2019
Oct 16, 2019
Oct 10, 2019
(Electronic) Receipt
Search/Exam
Oct 10, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 10, 2019
Jun 6, 2019
Annex to the communication
Search/Exam
Jun 6, 2019
Communication from the Examining Division
Search/Exam
May 28, 2019
Examination started
Search/Exam
Apr 18, 2019
(Electronic) Receipt
Search/Exam
Apr 18, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 18, 2019
Reply to Written Opinion prepared by the EPO
Search/Exam
Nov 6, 2018
Oct 4, 2018
Notification of forthcoming publication
Search/Exam
Feb 2, 2018
Communication to designated inventor
Search/Exam
Feb 2, 2018
Communication to designated inventor
Search/Exam
Feb 2, 2018
Communication to designated inventor
Search/Exam
Feb 2, 2018
Communication to designated inventor
Search/Exam
Jan 10, 2018
(Electronic) Receipt
Search/Exam
Jan 10, 2018
Designation of inventor
Search/Exam
Jan 10, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 26, 2017
Oct 26, 2017
European search opinion
Search/Exam
Oct 26, 2017
European search report
Search/Exam
Oct 26, 2017
Information on Search Strategy
Search/Exam
Oct 20, 2017
Modified abstract
Search/Exam
Sep 25, 2017
Search started
Search/Exam
Jun 19, 2017
Deficiency in designation of inventor
Search/Exam
Apr 26, 2017
Abstract
Search/Exam
Apr 26, 2017
Apr 26, 2017
Claims
Search/Exam
Apr 26, 2017
Description
Search/Exam
Apr 26, 2017
Drawings
Search/Exam
Apr 26, 2017
Request for grant of a European patent
Search/Exam