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The patent EP3187674 was granted to Ecosteel on Mar 25, 2020. The application was filed on Jan 24, 2017 under application number EP17152861A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| B BRAS & GONCALVES SISTEMAS DE CAIXILHARIA | Dec 23, 2020 | DO NASCIMENTO GOMES | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE202009010998U |
| DESCRIPTION | EP2093364 |
| DESCRIPTION | EP2361339 |
| OPPOSITION | US2014059938 |
| SEARCH | DE202009010998U |
| SEARCH | EP1589173 |
| SEARCH | US2014059938 |
| SEARCH | WO2010024703 |
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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Mar 22, 2023
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Mar 17, 2023
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Means of redress
OPPO
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Authorisation
OPPO
Aug 1, 2022
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Mar 11, 2022
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Apr 6, 2020
Feb 27, 2020
Decision to grant a European patent
Search/Exam
Feb 7, 2020
(Electronic) Receipt
Search/Exam
Feb 7, 2020
French translation of claims
Search/Exam
Feb 7, 2020
German translation of the claims
Search/Exam
Feb 7, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 7, 2020
(Electronic) Receipt
Search/Exam
Jan 7, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 7, 2020
Letter concerning fees and payments
Search/Exam
Oct 25, 2019
Oct 25, 2019
Oct 25, 2019
Intention to grant (signatures)
Search/Exam
Oct 25, 2019
Text intended for grant (clean copy)
Search/Exam
Oct 25, 2019
Jun 27, 2019
Examination started
Search/Exam
Jan 4, 2019
(Electronic) Receipt
Search/Exam
Jan 4, 2019
Annex
Search/Exam
Jan 4, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 3, 2018
(Electronic) Receipt
Search/Exam
Jan 3, 2018
(Electronic) Receipt
Search/Exam
Jan 3, 2018
Jan 3, 2018
Amended claims with annotations
Search/Exam
Jan 3, 2018
Jan 3, 2018
Amended description with annotations
Search/Exam
Jan 3, 2018
Amendments received before examination
Search/Exam
Jan 3, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 3, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 3, 2018
Letter concerning fees and payments
Search/Exam
Jul 25, 2017
EPO/applicant correspondence crossed
Search/Exam
Jul 10, 2017
Jul 4, 2017
Invitation to file priority document
Search/Exam
Jun 8, 2017
Notification of forthcoming publication
Search/Exam
Jun 7, 2017
Jun 7, 2017
European search opinion
Search/Exam
Jun 7, 2017
European search report
Search/Exam
Jun 7, 2017
Information on Search Strategy
Search/Exam
May 29, 2017
Search started
Search/Exam
May 17, 2017
(Electronic) Receipt
Search/Exam
May 17, 2017
Letter accompanying subsequently filed items
Search/Exam
May 17, 2017
Letter concerning publication issues
Search/Exam
Jan 24, 2017
Abstract
Search/Exam
Jan 24, 2017
Jan 24, 2017
Authorisation
Search/Exam
Jan 24, 2017
Authorisation
Search/Exam
Jan 24, 2017
Claims
Search/Exam
Jan 24, 2017
Description
Search/Exam
Jan 24, 2017
Designation of inventor
Search/Exam
Jan 24, 2017
Drawings
Search/Exam
Jan 24, 2017
Priority document
Search/Exam
Jan 24, 2017
Priority search results
Search/Exam
Jan 24, 2017
Request for grant of a European patent
Search/Exam
Jan 24, 2017