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The patent EP3666557 was granted to The Goodyear Tire & Rubber on May 17, 2023. The application was filed on Dec 11, 2019 under application number EP19215298A. 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 |
|---|---|---|---|
| BRIDGESTONE EUROPE NVSA | Feb 19, 2024 | BARDEHLE PAGENBERG PARTNERSCHAFT MBB PATENTANWALTE RECHTSANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2016129737 |
| DESCRIPTION | US2018272813 |
| DESCRIPTION | US2019001757 |
| DESCRIPTION | US9222854 |
| OPPOSITION | DE102015206220 |
| OPPOSITION | EP0937615 |
| OPPOSITION | GB2539272 |
| OPPOSITION | JP2014178270 |
| OPPOSITION | KR101741730B |
| OPPOSITION | US2016129737 |
| OPPOSITION | US2017113494 |
| OPPOSITION | US2019187026 |
| OPPOSITION | US9222854 |
| OPPOSITION | US9873293 |
| OPPOSITION | WO2016198970 |
| SEARCH | DE102015206220 |
| SEARCH | EP0937615 |
| SEARCH | US2017113494 |
| SEARCH | WO2016198970 |
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 21, 2025
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Nov 17, 2025
(Electronic) Receipt
Appeal
Nov 17, 2025
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(Electronic) Receipt
Appeal
Sep 25, 2025
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Sep 12, 2025
(Electronic) Receipt
Appeal
Sep 12, 2025
Notice of appeal
Appeal
Sep 12, 2025
Notice of appeal
Appeal
Jul 15, 2025
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Means of redress
OPPO
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Authorisation
OPPO
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May 31, 2023
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Decision to grant a European patent
Search/Exam
Apr 3, 2023
(Electronic) Receipt
Search/Exam
Apr 3, 2023
Filing of the translations of the claims
Search/Exam
Apr 3, 2023
French translation of claims
Search/Exam
Apr 3, 2023
German translation of the claims
Search/Exam
Apr 3, 2023
Letter accompanying subsequently filed items
Search/Exam
Dec 9, 2022
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Intention to grant (signatures)
Search/Exam
Dec 9, 2022
Text intended for grant (clean copy)
Search/Exam
Dec 9, 2022
Sep 19, 2022
Examination started
Search/Exam
Nov 24, 2020
(Electronic) Receipt
Search/Exam
Nov 24, 2020
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Amendments received before examination
Search/Exam
Nov 24, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 22, 2020
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May 20, 2020
Notification of forthcoming publication
Search/Exam
May 6, 2020
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European search opinion
Search/Exam
May 6, 2020
European search report
Search/Exam
May 6, 2020
Information on Search Strategy
Search/Exam
Apr 9, 2020
Search started
Search/Exam
Mar 24, 2020
Mar 19, 2020
Letter which had not been notified
Search/Exam
Mar 6, 2020
Communication to designated inventor
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Mar 6, 2020
Communication to designated inventor
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Mar 6, 2020
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Mar 6, 2020
Communication to designated inventor
Search/Exam
Feb 18, 2020
Feb 11, 2020
Dec 11, 2019
Abstract
Search/Exam
Dec 11, 2019
Dec 11, 2019
Claims
Search/Exam
Dec 11, 2019
Description
Search/Exam
Dec 11, 2019
Designation of inventor
Search/Exam
Dec 11, 2019
Drawings
Search/Exam
Dec 11, 2019
Request for grant of a European patent
Search/Exam