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The patent EP3827108 was granted to Novelis on Jan 25, 2023. The application was filed on Jul 22, 2019 under application number EP19752306A. 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 |
|---|---|---|---|
| SPEIRA | Oct 25, 2023 | COHAUSZ & FLORACK | ADMISSIBLE |
| C TEC CONSTELLIUM TECHNOLOGY CENTER CONSTELLIUM NEUF BRISACH | Oct 24, 2023 | CONSTELLIUM PROPRIETE INDUSTRIELLE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | FR2826979 |
| EXAMINATION | WO2014135367 |
| INTERNATIONAL-SEARCH-REPORT | WO2019010284 |
| OPPOSITION | EP2964800 |
| OPPOSITION | WO2005108633 |
| OPPOSITION | WO2014135367 |
| OPPOSITION | WO2017120117 |
| OPPOSITION | WO2019025227 |
| OPPOSITION | WO9814626 |
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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Oct 23, 2025
Oct 23, 2025
Oct 22, 2025
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Oct 20, 2025
(Electronic) Receipt
Appeal
Oct 20, 2025
Oct 20, 2025
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Oct 20, 2025
Reply to appeal
Appeal
Oct 16, 2025
(Electronic) Receipt
Appeal
Oct 16, 2025
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
Oct 9, 2025
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
Apr 16, 2025
Notice of appeal
Appeal
Apr 16, 2025
Notice of appeal
Appeal
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OPPO
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Decision to grant a European patent
Search/Exam
Jan 3, 2023
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(Electronic) Receipt
Search/Exam
Dec 20, 2022
Filing of the translations of the claims
Search/Exam
Dec 20, 2022
French translation of claims
Search/Exam
Dec 20, 2022
German translation of the claims
Search/Exam
Oct 20, 2022
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Intention to grant (signatures)
Search/Exam
Oct 20, 2022
Text intended for grant (clean copy)
Search/Exam
Oct 20, 2022
Sep 8, 2022
(Electronic) Receipt
Search/Exam
Sep 8, 2022
Amended description with annotations
Search/Exam
Sep 8, 2022
Description
Search/Exam
Sep 8, 2022
Letter accompanying subsequently filed items
Search/Exam
Sep 8, 2022
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Intention to grant (signatures)
Search/Exam
Jun 24, 2022
Text intended for grant (clean copy)
Search/Exam
Jun 24, 2022
Apr 29, 2022
(Electronic) Receipt
Search/Exam
Apr 29, 2022
Amended claims with annotations
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Apr 29, 2022
Amended description with annotations
Search/Exam
Apr 29, 2022
Claims
Search/Exam
Apr 29, 2022
Description
Search/Exam
Apr 29, 2022
Letter accompanying subsequently filed items
Search/Exam
Apr 29, 2022
Jan 7, 2022
Annex to the communication
Search/Exam
Jan 7, 2022
Communication from the Examining Division
Search/Exam
Jan 3, 2022
Examination started
Search/Exam
May 17, 2021
(Electronic) Receipt
Search/Exam
May 17, 2021
May 17, 2021
Amended claims with annotations
Search/Exam
May 17, 2021
Amendments received before examination
Search/Exam
May 17, 2021
Letter accompanying subsequently filed items
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May 6, 2021
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Change to the inventor details
Search/Exam
Apr 15, 2021
(Electronic) Receipt
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Apr 15, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 15, 2021
Letter concerning the inventor
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Apr 6, 2021
Mar 26, 2021
Letter which had not been notified
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
Feb 26, 2021
Communication to designated inventor
Search/Exam
Feb 8, 2021
Jan 21, 2021
(Electronic) Receipt
Search/Exam
Jan 21, 2021
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Request for entry into the European phase
Search/Exam
Dec 10, 2020
Information on entry into European phase
Search/Exam
Feb 21, 2020
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Jan 30, 2020
Copy of the international search report
Search/Exam
Jan 30, 2020
Published international application - A1
Search/Exam
Sep 23, 2019
ISR: cited documents
PCTISA
Sep 23, 2019
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Sep 20, 2019
Annex
PCTISA
Sep 20, 2019
Aug 22, 2019
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Abstract
PCTISA
Aug 9, 2019
Annex
PCTISA
Aug 9, 2019
Claims
PCTISA
Aug 9, 2019
Aug 9, 2019
Description
PCTISA
Aug 9, 2019
Drawings
PCTISA
Aug 9, 2019
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