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The patent EP3359757 was granted to Aluminco AE on Nov 9, 2022. The application was filed on Aug 10, 2016 under application number EP16775318A. 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 |
|---|---|---|---|
| ERGOSAFE AKTIEBOLAG | Jul 18, 2023 | BERGENSTRAHLE & PARTNERS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE29621995U |
| INTERNATIONAL-SEARCH-REPORT | EP2775057 |
| INTERNATIONAL-SEARCH-REPORT | FR1523364 |
| INTERNATIONAL-SEARCH-REPORT | US2012181497 |
| OPPOSITION | EP2395167 |
| OPPOSITION | EP2775057 |
| OPPOSITION | FR1523364 |
| OPPOSITION | US2012181497 |
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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Dec 23, 2025
Dec 23, 2025
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Means of redress
OPPO
Oct 28, 2025
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Annex
OPPO
Mar 7, 2025
Mar 7, 2025
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Oct 6, 2023
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Oct 2, 2023
Authorisation
OPPO
Oct 2, 2023
Oct 2, 2023
Aug 24, 2023
Aug 24, 2023
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Nov 22, 2022
Oct 13, 2022
Decision to grant a European patent
Search/Exam
Sep 27, 2022
Filing of the translations of the claims
Search/Exam
Sep 27, 2022
French translation of claims
Search/Exam
Sep 27, 2022
German translation of the claims
Search/Exam
Sep 27, 2022
Letter concerning fees and payments
Search/Exam
Jun 22, 2022
Jun 22, 2022
Jun 22, 2022
Intention to grant (signatures)
Search/Exam
Jun 22, 2022
Text intended for grant (clean copy)
Search/Exam
Jun 22, 2022
Oct 13, 2021
Claims
Search/Exam
Oct 13, 2021
Description
Search/Exam
Oct 13, 2021
Jun 17, 2021
Annex to the communication
Search/Exam
Jun 17, 2021
Communication from the Examining Division
Search/Exam
Sep 14, 2020
Decision to allow further processing
Search/Exam
Sep 4, 2020
Claims
Search/Exam
Sep 4, 2020
Description
Search/Exam
Sep 4, 2020
Drawings
Search/Exam
Sep 4, 2020
Letter concerning fees and payments
Search/Exam
Sep 4, 2020
Jul 6, 2020
Feb 7, 2020
Annex to the communication
Search/Exam
Feb 7, 2020
Communication from the Examining Division
Search/Exam
Nov 4, 2019
Claims
Search/Exam
Nov 4, 2019
Description
Search/Exam
Nov 4, 2019
Drawings
Search/Exam
Nov 4, 2019
Jul 4, 2019
Annex to the communication
Search/Exam
Jul 4, 2019
Communication from the Examining Division
Search/Exam
Jun 19, 2019
Examination started
Search/Exam
Mar 29, 2019
Priority search results
Search/Exam
Mar 29, 2019
Feb 26, 2019
Oct 8, 2018
Jul 18, 2018
Jul 10, 2018
Jun 11, 2018
Communication to designated inventor
Search/Exam
May 10, 2018
Accompanying letter Art. 19 PCT
Search/Exam
May 7, 2018
Letter concerning fees and payments
Search/Exam
May 7, 2018
Request for entry into the European phase
Search/Exam
Apr 26, 2018
Apr 26, 2018
Feb 16, 2018
Information on entry into European phase
Search/Exam
Feb 13, 2018
Feb 13, 2018
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Dec 18, 2017
Dec 12, 2017
Dec 8, 2017
Oct 13, 2017
Written opinion
PCT2
Oct 13, 2017
Oct 13, 2017
Aug 31, 2017
Abstract
PCT2
Aug 31, 2017
Aug 31, 2017
PCT demand form
PCT2
Aug 31, 2017
Aug 31, 2017
Aug 31, 2017
Aug 31, 2017
Aug 18, 2017
Aug 16, 2017
Free text
PCT2
Aug 16, 2017
Aug 3, 2017
Abstract
PCT2
Aug 3, 2017
Aug 3, 2017
PCT demand form
PCT2
Aug 3, 2017
Aug 3, 2017
Aug 3, 2017
Aug 3, 2017
May 2, 2017
Apr 13, 2017
Copy of the international search report
Search/Exam
Apr 13, 2017
Published international application - A1
Search/Exam
Nov 28, 2016
ISR: cited documents
PCTISA
Nov 25, 2016
Nov 25, 2016
Nov 25, 2016
Oct 26, 2016
Oct 17, 2016
Sep 28, 2016
Abstract
PCTISA
Sep 28, 2016
Claims
PCTISA
Sep 28, 2016
Description
PCTISA
Sep 28, 2016
Drawings
PCTISA
Sep 28, 2016
Sep 28, 2016