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The patent EP3137318 was granted to Compagnie Gnrale DES Etablissements Michelin on Sep 10, 2025. The application was filed on Apr 28, 2015 under application number EP15720316A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| AUDI AGBAYERISCHE MOTOREN WERKE | Apr 23, 2021 | MADER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP2905125 |
| EXAMINATION | US2013068363 |
| EXAMINATION | US4625101 |
| INTERNATIONAL-SEARCH-REPORT | FR2995254 |
| INTERNATIONAL-SEARCH-REPORT | WO2005000714 |
| INTERNATIONAL-SEARCH-REPORT | WO2011036061 |
| OPPOSITION | EP0522781 |
| OPPOSITION | EP2905125 |
| OPPOSITION | FR2995254 |
| OPPOSITION | JP2005164655 |
| OPPOSITION | JP2007320172 |
| OPPOSITION | JP2012224194 |
| OPPOSITION | JPH0596914 |
| OPPOSITION | US2009218019 |
| OPPOSITION | US4625101 |
| OPPOSITION | WO2005000714 |
| OPPOSITION | WO2015058872 |
| OPPOSITION | WO2015165863 |
| OTHER | DE202015009105U |
| OTHER | EP3137318 |
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.
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Description
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Appeal
Apr 5, 2023
Claims
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Claims
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Appeal
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Notice of appeal
Appeal
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Aug 10, 2020
Jul 2, 2020
Decision to grant a European patent
Search/Exam
Jun 12, 2020
(Electronic) Receipt
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Jun 12, 2020
English translation of the claims
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Jun 12, 2020
Filing of the translations of the claims
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Jun 12, 2020
German translation of the claims
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Jun 12, 2020
Letter accompanying subsequently filed items
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Apr 1, 2020
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Feb 12, 2020
Matter concerning the application
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Feb 12, 2020
Non-scannable object
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Feb 12, 2020
Non-scannable object
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Feb 10, 2020
(Electronic) Receipt
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Feb 10, 2020
Letter accompanying subsequently filed items
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Feb 10, 2020
Non-patent literature filed by a third party
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Feb 10, 2020
Observations by third parties
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Feb 3, 2020
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Intention to grant (signatures)
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Feb 3, 2020
Text intended for grant (clean copy)
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Feb 3, 2020
Aug 26, 2019
(Electronic) Receipt
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Aug 26, 2019
Annex
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Aug 26, 2019
Annex
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Aug 26, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 26, 2019
May 7, 2019
Apr 29, 2019
(Electronic) Receipt
Search/Exam
Apr 29, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 29, 2019
Feb 15, 2019
Annex to the communication
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Feb 15, 2019
Communication from the Examining Division
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Feb 11, 2019
(Electronic) Receipt
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Feb 11, 2019
Filing of the translations of the claims
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Feb 11, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 28, 2019
Jan 21, 2019
Non-scannable object
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Jan 21, 2019
Non-scannable object
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Jan 21, 2019
Observations by third parties
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Jan 21, 2019
Observations by third parties
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Jan 21, 2019
Patent document filed by a Third party
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Jan 21, 2019
Patent document filed by a Third party
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Jan 15, 2019
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Jan 15, 2019
Intention to grant (signatures)
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Jan 15, 2019
Text intended for grant (clean copy)
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Jan 15, 2019
Sep 28, 2018
(Electronic) Receipt
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Sep 28, 2018
Abstract
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Sep 28, 2018
Amended claims with annotations
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Sep 28, 2018
Amended description with annotations
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Sep 28, 2018
Claims
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Sep 28, 2018
Description
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Sep 28, 2018
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Sep 28, 2018
Letter accompanying subsequently filed items
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Sep 28, 2018
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(Electronic) Receipt
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Jul 3, 2018
Letter accompanying subsequently filed items
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Jul 3, 2018
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Letter which had not been notified
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Jun 18, 2018
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Citation filed by a third party
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Jun 8, 2018
Observations by third parties
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Mar 20, 2018
Annex to the communication
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Mar 20, 2018
Communication from the Examining Division
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Mar 2, 2018
Examination started
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Feb 19, 2018
Submission concerning representation
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Aug 10, 2017
(Electronic) Receipt
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Aug 10, 2017
Letter accompanying subsequently filed items
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Aug 10, 2017
Reply to Written Opinion prepared by the EPO
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Jun 16, 2017
Jun 7, 2017
Annexes in respect of a client data request
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Jun 7, 2017
Annexes in respect of a client data request
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Annexes in respect of a client data request
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Annexes in respect of a client data request
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Annexes in respect of a client data request
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May 24, 2017
Annexes in respect of a client data request
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May 24, 2017
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Jan 26, 2017
Priority search results copy provided by EPO
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Dec 7, 2016
Communication to designated inventor
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Dec 7, 2016
Communication to designated inventor
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Nov 16, 2016
Nov 15, 2016
Nov 1, 2016
Non-patent literature filed by a third party
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Nov 1, 2016
Non-patent literature filed by a third party
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Nov 1, 2016
Non-patent literature filed by a third party
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Nov 1, 2016
Non-patent literature filed by a third party
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Nov 1, 2016
Non-patent literature filed by a third party
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Nov 1, 2016
Non-patent literature filed by a third party
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Non-patent literature filed by a third party
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Non-patent literature filed by a third party
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Non-patent literature filed by a third party
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Nov 1, 2016
Observations by third parties
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Nov 1, 2016
Observations by third parties
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Nov 1, 2016
Observations by third parties
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Nov 1, 2016
Observations by third parties
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Nov 1, 2016
Patent document filed by a Third party
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Nov 1, 2016
Patent document filed by a Third party
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Nov 1, 2016
Patent document filed by a Third party
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Nov 1, 2016
Patent document filed by a Third party
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Nov 1, 2016
Patent document filed by a Third party
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Nov 1, 2016
Patent document filed by a Third party
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Nov 1, 2016
Patent document filed by a Third party
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Patent document filed by a Third party
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Nov 1, 2016
Patent document filed by a Third party
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Nov 1, 2016
Patent document filed by a Third party
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Nov 1, 2016
Patent document filed by a Third party
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Nov 1, 2016
Patent document filed by a Third party
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Oct 26, 2016
(Electronic) Receipt
Search/Exam
Oct 26, 2016
Request for entry into the European phase
Search/Exam
Sep 9, 2016
Information on entry into European phase
Search/Exam
Nov 23, 2015
Nov 5, 2015
Copy of the international search report
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Nov 5, 2015
Copy of the international search report
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Nov 5, 2015
Published international application - A1
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Jul 27, 2015
Jul 27, 2015
Jul 27, 2015
Apr 28, 2015
(Electronic) Receipt
PCTRO
Apr 28, 2015
Abstract
PCTRO
Apr 28, 2015
Claims
PCTRO
Apr 28, 2015
Description
PCTRO
Apr 28, 2015
Drawings
PCTRO