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The patent EP3774450 was granted to Renault on Dec 29, 2021. The application was filed on Mar 19, 2019 under application number EP19711096A. 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 |
|---|---|---|---|
| SAINT GOBAIN | Sep 27, 2022 | SAINT GOBAIN RECHERCHE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2179894 |
| DESCRIPTION | EP2942238 |
| DESCRIPTION | WO2007091247 |
| DESCRIPTION | WO2016058601 |
| INTERNATIONAL-SEARCH-REPORT | DE102008050320 |
| INTERNATIONAL-SEARCH-REPORT | EP2965949 |
| INTERNATIONAL-SEARCH-REPORT | US7619680 |
| INTERNATIONAL-SEARCH-REPORT | US9507245 |
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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Nov 13, 2025
Nov 13, 2025
Sep 17, 2025
Sep 17, 2025
Sep 12, 2025
Jul 23, 2025
Jul 22, 2025
Jul 18, 2025
(Electronic) Receipt
Appeal
Jul 18, 2025
Jul 18, 2025
Reply to appeal
Appeal
Jul 16, 2025
Jul 11, 2025
(Electronic) Receipt
Appeal
Jul 11, 2025
Jul 11, 2025
Reply to appeal
Appeal
Mar 18, 2025
Mar 18, 2025
Mar 12, 2025
(Electronic) Receipt
Appeal
Mar 12, 2025
Mar 12, 2025
Mar 11, 2025
(Electronic) Receipt
Appeal
Mar 11, 2025
Notice of appeal
Appeal
Mar 11, 2025
Jan 23, 2025
Jan 20, 2025
(Electronic) Receipt
Appeal
Jan 20, 2025
Jan 20, 2025
Jan 17, 2025
Jan 17, 2025
Jan 14, 2025
Jan 14, 2025
Jan 13, 2025
(Electronic) Receipt
Appeal
Jan 13, 2025
Notice of appeal
Appeal
Jan 13, 2025
Notice of appeal
Appeal
Jan 8, 2025
(Electronic) Receipt
Appeal
Jan 8, 2025
Jan 8, 2025
Notice of appeal
Appeal
Nov 12, 2024
Nov 12, 2024
Nov 12, 2024
Nov 12, 2024
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Nov 12, 2024
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Means of redress
OPPO
Nov 12, 2024
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Oct 8, 2024
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Description
OPPO
Oct 8, 2024
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Sep 16, 2024
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Aug 9, 2024
Description
OPPO
Aug 9, 2024
Description
OPPO
Aug 9, 2024
Description
OPPO
Aug 9, 2024
Description
OPPO
Aug 9, 2024
Description
OPPO
Aug 9, 2024
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Oct 12, 2022
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Jun 24, 2022
Feb 14, 2022
Jan 26, 2022
Jan 12, 2022
Dec 2, 2021
Decision to grant a European patent
Search/Exam
Nov 17, 2021
(Electronic) Receipt
Search/Exam
Nov 17, 2021
English translation of the claims
Search/Exam
Nov 17, 2021
Filing of the translations of the claims
Search/Exam
Nov 17, 2021
German translation of the claims
Search/Exam
Nov 17, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 1, 2021
Sep 1, 2021
Sep 1, 2021
Intention to grant (signatures)
Search/Exam
Sep 1, 2021
Text intended for grant (clean copy)
Search/Exam
Sep 1, 2021
Jul 21, 2021
Examination started
Search/Exam
Jan 20, 2021
Nov 3, 2020
Oct 30, 2020
Communication to designated inventor
Search/Exam
Oct 30, 2020
Communication to designated inventor
Search/Exam
Oct 27, 2020
Priority search results copy provided by EPO
Search/Exam
Oct 12, 2020
Sep 11, 2020
Information regarding early processing
Search/Exam
Sep 4, 2020
(Electronic) Receipt
Search/Exam
Sep 4, 2020
Request for entry into the European phase
Search/Exam
Aug 21, 2020
Aug 7, 2020
Information on entry into European phase
Search/Exam
Oct 22, 2019
Oct 3, 2019
Copy of the international search report
Search/Exam
Oct 3, 2019
Copy of the international search report
Search/Exam
Oct 3, 2019
Published international application - A1
Search/Exam
May 9, 2019
May 6, 2019
Annex
PCTRO
May 6, 2019
May 6, 2019
May 6, 2019
Mar 28, 2019
Mar 28, 2019
Mar 19, 2019
(Electronic) Receipt
PCTRO
Mar 19, 2019
Abstract
PCTRO
Mar 19, 2019
Claims
PCTRO
Mar 19, 2019
Description
PCTRO
Mar 19, 2019
Mar 19, 2019
Drawings
PCTRO
Mar 19, 2019