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The patent EP3485055 was granted to Constellium Neuf Brisach on May 24, 2023. The application was filed on Jul 12, 2017 under application number EP17743274A. 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 | Feb 26, 2024 | COHAUSZ & FLORACK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0786535 |
| DESCRIPTION | EP1375691 |
| DESCRIPTION | JP2003226926 |
| DESCRIPTION | JP2004010982 |
| DESCRIPTION | JP2006241548 |
| DESCRIPTION | JP2009263781 |
| DESCRIPTION | JP2010242215 |
| DESCRIPTION | JP2012077318 |
| DESCRIPTION | JP2012077319 |
| DESCRIPTION | JP2015067857 |
| DESCRIPTION | JP2823797B |
| DESCRIPTION | JP3590685B |
| DESCRIPTION | US2016201158 |
| DESCRIPTION | US6652678 |
| DESCRIPTION | WO2016012691 |
| INTERNATIONAL-SEARCH-REPORT | CN103789583 |
| INTERNATIONAL-SEARCH-REPORT | JPH059674 |
| INTERNATIONAL-SEARCH-REPORT | US2002174923 |
| OPPOSITION | CN102732759 |
| OPPOSITION | US2004094249 |
| OPPOSITION | US2016047021 |
| OPPOSITION | US2017189949 |
| OPPOSITION | US5112412 |
| OPPOSITION | WO2016077044 |
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 6, 2023
Apr 28, 2023
Decision to grant a European patent
Search/Exam
Apr 6, 2023
(Electronic) Receipt
Search/Exam
Apr 6, 2023
Filing of the translations of the claims
Search/Exam
Apr 6, 2023
French translation of claims
Search/Exam
Apr 6, 2023
German translation of the claims
Search/Exam
Apr 6, 2023
Letter accompanying subsequently filed items
Search/Exam
Dec 21, 2022
Dec 21, 2022
Dec 21, 2022
Dec 21, 2022
Intention to grant (signatures)
Search/Exam
Dec 21, 2022
Text intended for grant (clean copy)
Search/Exam
Dec 21, 2022
Nov 16, 2022
(Electronic) Receipt
Search/Exam
Nov 16, 2022
Amended claims with annotations
Search/Exam
Nov 16, 2022
Claims
Search/Exam
Nov 16, 2022
Letter accompanying subsequently filed items
Search/Exam
Nov 16, 2022
Oct 13, 2022
Annex to the communication
Search/Exam
Oct 13, 2022
Consultation by telephone/in person
Search/Exam
Oct 13, 2022
Mar 31, 2020
(Electronic) Receipt
Search/Exam
Mar 31, 2020
Amended description with annotations
Search/Exam
Mar 31, 2020
Description
Search/Exam
Mar 31, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 31, 2020
Dec 13, 2019
Communication to designated inventor
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Dec 13, 2019
Communication to designated inventor
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Dec 13, 2019
Communication to designated inventor
Search/Exam
Dec 13, 2019
Communication to designated inventor
Search/Exam
Dec 12, 2019
Change to the inventor details
Search/Exam
Dec 2, 2019
(Electronic) Receipt
Search/Exam
Dec 2, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 2, 2019
Letter concerning the inventor
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Dec 2, 2019
Letter concerning the inventor
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Dec 2, 2019
Letter concerning the inventor
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Dec 2, 2019
Letter concerning the inventor
Search/Exam
Nov 19, 2019
Annex to the communication
Search/Exam
Nov 19, 2019
Communication from the Examining Division
Search/Exam
Nov 11, 2019
Examination started
Search/Exam
May 9, 2019
May 9, 2019
May 9, 2019
May 9, 2019
May 3, 2019
Letter which had not been notified
Search/Exam
May 2, 2019
Letter which had not been notified
Search/Exam
May 2, 2019
Letter which had not been notified
Search/Exam
May 2, 2019
Letter which had not been notified
Search/Exam
Apr 25, 2019
Mar 21, 2019
Mar 15, 2019
Mar 13, 2019
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Feb 25, 2019
Communication to designated inventor
Search/Exam
Feb 25, 2019
Communication to designated inventor
Search/Exam
Feb 25, 2019
Communication to designated inventor
Search/Exam
Feb 25, 2019
Communication to designated inventor
Search/Exam
Feb 25, 2019
Communication to designated inventor
Search/Exam
Feb 25, 2019
Communication to designated inventor
Search/Exam
Feb 25, 2019
Communication to designated inventor
Search/Exam
Feb 11, 2019
(Electronic) Receipt
Search/Exam
Feb 11, 2019
Request for entry into the European phase
Search/Exam
Feb 5, 2019
Feb 5, 2019
Nov 23, 2018
Information on entry into European phase
Search/Exam
Jun 18, 2018
Jun 18, 2018
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Feb 21, 2018
Notification of election of EPO
Search/Exam
Feb 1, 2018
Notification of election of EPO
Search/Exam
Jan 18, 2018
Copy of the international search report
Search/Exam
Jan 18, 2018
Published international application - A1
Search/Exam
Dec 1, 2017
Nov 22, 2017
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PCT demand form
PCT2
Nov 22, 2017
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Aug 30, 2017
ISR: cited documents
PCTISA
Aug 29, 2017
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Aug 3, 2017
Letter concerning the priority
Search/Exam
Aug 3, 2017
Letter concerning the priority
Search/Exam
Aug 3, 2017
Priority document
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Aug 3, 2017
Priority document
Search/Exam
Aug 2, 2017
Jul 12, 2017
(Electronic) Receipt
PCTRO
Jul 12, 2017
Abstract
PCTRO
Jul 12, 2017
Claims
PCTRO
Jul 12, 2017
Description
PCTRO
Jul 12, 2017
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Drawings
PCTRO
Jul 12, 2017
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