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The patent EP2652015 was granted to Compagnie Generale DES Etablissements Michelin on Nov 15, 2017. The application was filed on Dec 9, 2011 under application number EP11791598A. 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 |
|---|---|---|---|
| CABOT | Aug 13, 2018 | GRUNECKER | WITHDRAWN |
| CABOT | Aug 13, 2018 | GRUNECKER PATENT | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1127909 |
| DESCRIPTION | FR2740778 |
| DESCRIPTION | FR2765882 |
| DESCRIPTION | US2004051210 |
| DESCRIPTION | US2004132880 |
| DESCRIPTION | US2005016650 |
| DESCRIPTION | US2005016651 |
| DESCRIPTION | US2006089445 |
| DESCRIPTION | US5977238 |
| DESCRIPTION | US6013718 |
| DESCRIPTION | US6048923 |
| DESCRIPTION | US6503973 |
| DESCRIPTION | US6774255 |
| DESCRIPTION | US6815473 |
| DESCRIPTION | WO0192402 |
| DESCRIPTION | WO02083782 |
| DESCRIPTION | WO0210269 |
| DESCRIPTION | WO0230939 |
| DESCRIPTION | WO0231041 |
| DESCRIPTION | WO03002648 |
| DESCRIPTION | WO03002649 |
| DESCRIPTION | WO03016837 |
| DESCRIPTION | WO2004096865 |
| DESCRIPTION | WO2006125532 |
| DESCRIPTION | WO2006125533 |
| DESCRIPTION | WO2006125534 |
| DESCRIPTION | WO2008141702 |
| DESCRIPTION | WO2009000750 |
| DESCRIPTION | WO2009000752 |
| INTERNATIONAL-SEARCH-REPORT | DE10024613 |
| INTERNATIONAL-SEARCH-REPORT | EP1873191 |
| OPPOSITION | US6048923 |
| OPPOSITION | US6075084 |
| OPPOSITION | US6929783 |
| OPPOSITION | US7337815 |
| OPPOSITION | US7649042 |
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
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(Electronic) Receipt
Appeal
Feb 22, 2023
Advice of delivery
Appeal
Feb 22, 2023
Advice of delivery
Appeal
Feb 22, 2023
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Oct 28, 2022
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(Electronic) Receipt
Appeal
Oct 25, 2022
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(Electronic) Receipt
Appeal
Sep 19, 2022
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(Electronic) Receipt
Appeal
Sep 16, 2022
(Electronic) Receipt
Appeal
Sep 16, 2022
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Aug 30, 2022
Advice of delivery
Appeal
Aug 30, 2022
Advice of delivery
Appeal
Aug 24, 2022
Aug 24, 2022
Aug 11, 2022
Aug 5, 2022
(Electronic) Receipt
Appeal
Aug 5, 2022
Aug 5, 2022
Jul 12, 2022
(Electronic) Receipt
Appeal
Jul 12, 2022
(Electronic) Receipt
Appeal
Jul 12, 2022
Jul 12, 2022
Jul 6, 2022
Jul 6, 2022
Oct 18, 2021
Advice of delivery
Appeal
Oct 13, 2021
Oct 13, 2021
Oct 9, 2021
Apr 1, 2021
Mar 10, 2021
Mar 2, 2021
(Electronic) Receipt
Appeal
Mar 2, 2021
Mar 2, 2021
Nov 26, 2020
Nov 20, 2020
(Electronic) Receipt
Appeal
Nov 20, 2020
Nov 20, 2020
Nov 20, 2020
Nov 20, 2020
Nov 20, 2020
Reply to appeal
Appeal
Jul 16, 2020
Jul 13, 2020
(Electronic) Receipt
Appeal
Jul 13, 2020
Jul 13, 2020
Jun 10, 2020
Refund of fees
Appeal
May 15, 2020
May 15, 2020
May 6, 2020
(Electronic) Receipt
Appeal
May 6, 2020
May 6, 2020
Notice of appeal
Appeal
Apr 30, 2020
Mar 17, 2020
Mar 12, 2020
Mar 12, 2020
Mar 12, 2020
Mar 12, 2020
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Means of redress
OPPO
Mar 12, 2020
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Jan 20, 2020
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Aug 13, 2018
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Aug 13, 2018
Aug 13, 2018
Aug 13, 2018
Aug 13, 2018
Feb 19, 2018
Submission concerning representation
Search/Exam
Nov 22, 2017
Oct 19, 2017
Decision to grant a European patent
Search/Exam
Oct 9, 2017
(Electronic) Receipt
Search/Exam
Oct 9, 2017
English translation of the claims
Search/Exam
Oct 9, 2017
Filing of the translations of the claims
Search/Exam
Oct 9, 2017
German translation of the claims
Search/Exam
Oct 9, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 16, 2017
Jun 9, 2017
Jun 9, 2017
Jun 9, 2017
Intention to grant (signatures)
Search/Exam
Jun 9, 2017
Text intended for grant (clean copy)
Search/Exam
Jun 9, 2017
Jun 7, 2017
Annexes in respect of a client data request
Search/Exam
Jun 7, 2017
Annexes in respect of a client data request
Search/Exam
Jun 7, 2017
Annexes in respect of a client data request
Search/Exam
Jun 7, 2017
Annexes in respect of a client data request
Search/Exam
Jun 7, 2017
Annexes in respect of a client data request
Search/Exam
Jun 7, 2017
May 24, 2017
Annexes in respect of a client data request
Search/Exam
May 24, 2017
Annexes in respect of a client data request
Search/Exam
May 24, 2017
Apr 5, 2017
(Electronic) Receipt
Search/Exam
Apr 5, 2017
Amended claims with annotations
Search/Exam
Apr 5, 2017
Claims
Search/Exam
Apr 5, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 5, 2017
Dec 12, 2016
Annex to the communication
Search/Exam
Dec 12, 2016
Dec 12, 2016
Oct 10, 2014
(Electronic) Receipt
Search/Exam
Oct 10, 2014
Claims
Search/Exam
Oct 10, 2014
Letter accompanying subsequently filed items
Search/Exam
Oct 10, 2014
Jul 11, 2014
Jul 8, 2014
(Electronic) Receipt
Search/Exam
Jul 8, 2014
Letter accompanying subsequently filed items
Search/Exam
Jul 8, 2014
Apr 7, 2014
Annex to the communication
Search/Exam
Apr 7, 2014
Communication from the Examining Division
Search/Exam
Mar 31, 2014
Examination started
Search/Exam
Oct 7, 2013
Sep 25, 2013
Jul 26, 2013
Jul 24, 2013
Communication to designated inventor
Search/Exam
Jul 24, 2013
Communication to designated inventor
Search/Exam
Jul 20, 2013
Priority search results copy provided by EPO
Search/Exam
Jul 15, 2013
(Electronic) Receipt
Search/Exam
Jul 15, 2013
Jul 15, 2013
Matter concerning the application
Search/Exam
Jul 15, 2013
Notification of the recording of a change
Search/Exam
Jul 15, 2013
Request for entry into the European phase
Search/Exam
Jul 3, 2013
Apr 26, 2013
Information on entry into European phase
Search/Exam
Jul 10, 2012
Jun 21, 2012
Copy of the international search report
Search/Exam
Jun 21, 2012
Copy of the international search report
Search/Exam
Jun 21, 2012
Published international application - A1
Search/Exam
Mar 1, 2012
Mar 1, 2012
Mar 1, 2012
Dec 9, 2011
(Electronic) Receipt
PCTRO
Dec 9, 2011
Abstract
PCTRO
Dec 9, 2011
Claims
PCTRO
Dec 9, 2011
Description
PCTRO