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The patent EP3529393 was granted to Constellium Singen on Aug 19, 2020. The application was filed on Oct 19, 2017 under application number EP17784321A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 18, 2021 | HYDRO IPD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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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Means of redress
OPPO
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Authorisation
OPPO
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Authorisation
OPPO
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Aug 31, 2020
Jul 23, 2020
Decision to grant a European patent
Search/Exam
Jul 10, 2020
(Electronic) Receipt
Search/Exam
Jul 10, 2020
Filing of the translations of the claims
Search/Exam
Jul 10, 2020
French translation of claims
Search/Exam
Jul 10, 2020
German translation of the claims
Search/Exam
Jul 10, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 17, 2020
May 25, 2020
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Non-patent literature filed by a third party
Search/Exam
May 15, 2020
Observations by third parties
Search/Exam
May 15, 2020
Patent document filed by a Third party
Search/Exam
May 15, 2020
Patent document filed by a Third party
Search/Exam
Mar 20, 2020
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Intention to grant (signatures)
Search/Exam
Mar 20, 2020
Text intended for grant (clean copy)
Search/Exam
Mar 20, 2020
Feb 24, 2020
Examination started
Search/Exam
Nov 28, 2019
(Electronic) Receipt
Search/Exam
Nov 28, 2019
Nov 28, 2019
Amended claims with annotations
Search/Exam
Nov 28, 2019
Amendments received before examination
Search/Exam
Nov 28, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 31, 2019
May 29, 2019
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Communication to designated inventor
Search/Exam
May 24, 2019
Communication to designated inventor
Search/Exam
May 24, 2019
Communication to designated inventor
Search/Exam
May 24, 2019
Communication to designated inventor
Search/Exam
May 24, 2019
Communication to designated inventor
Search/Exam
May 22, 2019
Priority search results copy provided by EPO
Search/Exam
May 9, 2019
May 2, 2019
(Electronic) Receipt
Search/Exam
May 2, 2019
May 2, 2019
Request for entry into the European phase
Search/Exam
Mar 1, 2019
Information on entry into European phase
Search/Exam
May 16, 2018
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Copy of the international search report
Search/Exam
Apr 26, 2018
Published international application - A1
Search/Exam
Nov 14, 2017
ISR: cited documents
PCTISA
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(Electronic) Receipt
PCTRO
Oct 19, 2017
Abstract
PCTRO
Oct 19, 2017
Claims
PCTRO
Oct 19, 2017
Description
PCTRO
Oct 19, 2017
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Drawings
PCTRO
Oct 19, 2017
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