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The patent EP3953163 was granted to Compagnie Gnrale DES Etablissements Michelin on Oct 11, 2023. The application was filed on Apr 9, 2020 under application number EP20719741A. 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 |
|---|---|---|---|
| SEMPERIT HOLDING | Jul 10, 2024 | MULLER SCHUPFNER & PARTNER PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB MUC | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | FR2106897 |
| DESCRIPTION | FR2661865 |
| INTERNATIONAL-SEARCH-REPORT | FR2106897 |
| INTERNATIONAL-SEARCH-REPORT | US4295686 |
| INTERNATIONAL-SEARCH-REPORT | WO2017116384 |
| OPPOSITION | AT123028B |
| OPPOSITION | AT181621B |
| OPPOSITION | AT198795B |
| OPPOSITION | AT304631B |
| OPPOSITION | AT325354B |
| OPPOSITION | AT402094B |
| OPPOSITION | CH326283 |
| OPPOSITION | CH641254 |
| OPPOSITION | CH709957 |
| OPPOSITION | DE10218757 |
| OPPOSITION | DE1505199 |
| OPPOSITION | DE1505200 |
| OPPOSITION | DE1729849 |
| OPPOSITION | DE1905064U |
| OPPOSITION | DE2009901 |
| OPPOSITION | DE202015006091U |
| OPPOSITION | DE2353270 |
| OPPOSITION | DE2800900 |
| OPPOSITION | DE4104457 |
| OPPOSITION | EP0202269 |
| OPPOSITION | EP1071892 |
| OPPOSITION | EP1203056 |
| OPPOSITION | EP1277637 |
| OPPOSITION | EP2159124 |
| OPPOSITION | EP2658706 |
| OPPOSITION | EP3251999 |
| OPPOSITION | EP3254920 |
| OPPOSITION | JP2008213407 |
| OPPOSITION | US6796919 |
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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Letter accompanying subsequently filed items
Search/Exam
Oct 12, 2023
Sep 22, 2023
Invitation to file an authorisation
Search/Exam
Sep 19, 2023
(Electronic) Receipt
Search/Exam
Sep 19, 2023
Letter accompanying subsequently filed items
Search/Exam
Sep 19, 2023
Sep 14, 2023
Decision to grant a European patent
Search/Exam
Jun 9, 2023
Decision to allow further processing
Search/Exam
May 31, 2023
English translation of the claims
Search/Exam
May 31, 2023
German translation of the claims
Search/Exam
May 31, 2023
Request for further processing
Search/Exam
May 2, 2023
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Matter concerning the application
Search/Exam
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Intention to grant (signatures)
Search/Exam
Nov 22, 2022
Text intended for grant (clean copy)
Search/Exam
Nov 22, 2022
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Examination started
Search/Exam
Jan 19, 2022
Nov 18, 2021
Nov 11, 2021
Priority search results copy provided by EPO
Search/Exam
Oct 25, 2021
Sep 17, 2021
Information regarding early processing
Search/Exam
Sep 7, 2021
Request for entry into the European phase
Search/Exam
Aug 20, 2021
Information on entry into European phase
Search/Exam
Nov 2, 2020
Oct 15, 2020
Copy of the international search report
Search/Exam
Oct 15, 2020
Copy of the international search report
Search/Exam
Oct 15, 2020
Published international application - A1
Search/Exam
Jul 3, 2020
ISR: cited documents
PCTISA
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Abstract
PCTISA
Apr 22, 2020
Claims
PCTISA
Apr 22, 2020
Description
PCTISA
Apr 22, 2020
Drawings
PCTISA
Apr 22, 2020