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The patent EP3307919 was granted to Constellium Singen on Aug 5, 2020. The application was filed on Jun 14, 2016 under application number EP16728971A. 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 |
|---|---|---|---|
| HYDRO EXTRUDED SOLUTIONS | May 5, 2021 | HYDRO IPD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | JPH073409 |
| INTERNATIONAL-SEARCH-REPORT | US2011155291 |
| OPPOSITION | EP0302623 |
| OPPOSITION | EP1155156 |
| OPPOSITION | EP2883973 |
| OPPOSITION | JP2007177308 |
| OPPOSITION | JPH04341546 |
| OPPOSITION | US2004084119 |
| OPPOSITION | WO0030780 |
| OPPOSITION | WO2011122958 |
| OPPOSITION | WO2013162374 |
| OTHER | EP0302623 |
| OTHER | WO2013162374 |
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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OPPO
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Authorisation
OPPO
Apr 19, 2022
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Aug 17, 2020
Jul 9, 2020
Decision to grant a European patent
Search/Exam
Jun 3, 2020
Apr 22, 2020
(Electronic) Receipt
Search/Exam
Apr 22, 2020
Filing of the translations of the claims
Search/Exam
Apr 22, 2020
French translation of claims
Search/Exam
Apr 22, 2020
German translation of the claims
Search/Exam
Apr 22, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 1, 2020
Apr 1, 2020
Mar 27, 2020
(Electronic) Receipt
Search/Exam
Mar 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 27, 2020
Non-patent literature filed by a third party
Search/Exam
Mar 27, 2020
Non-patent literature filed by a third party
Search/Exam
Mar 27, 2020
Non-patent literature filed by a third party
Search/Exam
Mar 27, 2020
Observations by third parties
Search/Exam
Mar 27, 2020
Patent document filed by a Third party
Search/Exam
Mar 27, 2020
Patent document filed by a Third party
Search/Exam
Jan 9, 2020
Jan 9, 2020
Jan 9, 2020
Intention to grant (signatures)
Search/Exam
Jan 9, 2020
Text intended for grant (clean copy)
Search/Exam
Jan 9, 2020
Oct 1, 2019
(Electronic) Receipt
Search/Exam
Oct 1, 2019
Amended claims with annotations
Search/Exam
Oct 1, 2019
Amended description with annotations
Search/Exam
Oct 1, 2019
Claims
Search/Exam
Oct 1, 2019
Description
Search/Exam
Oct 1, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 1, 2019
May 27, 2019
Annex to the communication
Search/Exam
May 27, 2019
Communication from the Examining Division
Search/Exam
Jan 8, 2019
(Electronic) Receipt
Search/Exam
Jan 8, 2019
Amended claims with annotations
Search/Exam
Jan 8, 2019
Claims
Search/Exam
Jan 8, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 8, 2019
Sep 20, 2018
Annex to the communication
Search/Exam
Sep 20, 2018
Communication from the Examining Division
Search/Exam
Sep 14, 2018
Examination started
Search/Exam
Aug 8, 2018
Communication to designated inventor
Search/Exam
Jul 30, 2018
(Electronic) Receipt
Search/Exam
Jul 30, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 30, 2018
Letter concerning the inventor
Search/Exam
Jul 26, 2018
(Electronic) Receipt
Search/Exam
Jul 26, 2018
Jul 26, 2018
Amended claims with annotations
Search/Exam
Jul 26, 2018
Amendments received before examination
Search/Exam
Jul 26, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 5, 2018
Mar 21, 2018
Feb 22, 2018
Letter which had not been notified
Search/Exam
Jan 23, 2018
Jan 19, 2018
Communication to designated inventor
Search/Exam
Jan 19, 2018
Communication to designated inventor
Search/Exam
Jan 19, 2018
Communication to designated inventor
Search/Exam
Jan 19, 2018
Communication to designated inventor
Search/Exam
Jan 19, 2018
Communication to designated inventor
Search/Exam
Jan 19, 2018
Communication to designated inventor
Search/Exam
Jan 19, 2018
Communication to designated inventor
Search/Exam
Jan 16, 2018
Priority search results copy provided by EPO
Search/Exam
Jan 3, 2018
Dec 15, 2017
(Electronic) Receipt
Search/Exam
Dec 15, 2017
General authorisation
Search/Exam
Dec 15, 2017
Request for entry into the European phase
Search/Exam
Nov 15, 2017
Nov 15, 2017
Nov 15, 2017
Notification of the recording of a change
Search/Exam
Oct 27, 2017
Information on entry into European phase
Search/Exam
Jan 11, 2017
Dec 22, 2016
Copy of the international search report
Search/Exam
Dec 22, 2016
Published international application - A1
Search/Exam
Aug 26, 2016
ISR: cited documents
PCTISA
Aug 25, 2016
Aug 25, 2016
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Aug 3, 2016
Annex
PCTRO
Aug 3, 2016
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Jun 28, 2016
Jun 27, 2016
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Jun 14, 2016
(Electronic) Receipt
PCTRO
Jun 14, 2016
Abstract
PCTRO
Jun 14, 2016
Claims
PCTRO
Jun 14, 2016
Description
PCTRO
Jun 14, 2016
Jun 14, 2016
Drawings
PCTRO
Jun 14, 2016
Jun 14, 2016