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The patent EP2926851 was granted to Sumitomo Rubber Industries on Jul 10, 2019. The application was filed on Feb 10, 2015 under application number EP15154433A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| EUROPEAN OPPOSITIONS | Apr 14, 2020 | DURLING | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2005185747 |
| EXAMINATION | US2005218548 |
| EXAMINATION | US2013053786 |
| OPPOSITION | CA2268655 |
| OPPOSITION | EP1870117 |
| OPPOSITION | EP2226088 |
| OPPOSITION | EP2848273 |
| OPPOSITION | EP3053619 |
| OPPOSITION | JP2003245350 |
| OPPOSITION | JP2004008509 |
| OPPOSITION | JP2006167110 |
| OPPOSITION | JP2012147859 |
| OPPOSITION | JPH07246554 |
| OPPOSITION | JPH1044012 |
| OPPOSITION | US2004241023 |
| OPPOSITION | US2006069356 |
| OPPOSITION | US2013053786 |
| OPPOSITION | US2013209766 |
| OPPOSITION | US2014228774 |
| OPPOSITION | US3930482 |
| OPPOSITION | US5022194 |
| OPPOSITION | US6090081 |
| OPPOSITION | US6986705 |
| OPPOSITION | WO2014136138 |
| OPPOSITION | WO9817339 |
| OTHER | JP2012147859 |
| OTHER | JPH1044012 |
| OTHER | US2013053786 |
| OTHER | US3930482 |
| OTHER | US5022194 |
| OTHER | US6986705 |
| SEARCH | EP1870117 |
| SEARCH | EP2226088 |
| SEARCH | JP2003245350 |
| SEARCH | JP2004008509 |
| SEARCH | JP4708013B |
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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Sep 7, 2022
Refund of fees
Appeal
Sep 6, 2022
Sep 6, 2022
Sep 5, 2022
Jul 21, 2022
Jul 20, 2022
(Electronic) Receipt
Appeal
Jul 20, 2022
Withdrawal of an appeal
Appeal
May 30, 2022
May 30, 2022
May 19, 2022
(Electronic) Receipt
Appeal
May 19, 2022
Notice of appeal
Appeal
Mar 11, 2022
Mar 11, 2022
Mar 11, 2022
Mar 11, 2022
Mar 11, 2022
Mar 11, 2022
Means of redress
OPPO
Mar 11, 2022
Mar 11, 2022
Mar 11, 2022
Mar 11, 2022
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Feb 22, 2022
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Jun 26, 2020
Jun 26, 2020
Jun 9, 2020
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Apr 23, 2020
Apr 14, 2020
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Jul 22, 2019
Jun 14, 2019
Decision to grant a European patent
Search/Exam
Jun 6, 2019
Apr 17, 2019
Apr 17, 2019
Apr 15, 2019
Apr 15, 2019
Apr 15, 2019
Apr 15, 2019
Apr 15, 2019
Apr 15, 2019
Observations by third parties
Search/Exam
Apr 12, 2019
Observations by third parties
Search/Exam
Apr 12, 2019
Observations by third parties
Search/Exam
Apr 11, 2019
(Electronic) Receipt
Search/Exam
Apr 11, 2019
Filing of the translations of the claims
Search/Exam
Apr 11, 2019
French translation of claims
Search/Exam
Apr 11, 2019
German translation of the claims
Search/Exam
Apr 11, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 18, 2019
Submission concerning representation
Search/Exam
Feb 13, 2019
Feb 13, 2019
Feb 13, 2019
Intention to grant (signatures)
Search/Exam
Feb 13, 2019
Text intended for grant (clean copy)
Search/Exam
Feb 13, 2019
Sep 11, 2018
Sep 5, 2018
Non-patent literature filed by a third party
Search/Exam
Sep 5, 2018
Observations by third parties
Search/Exam
Sep 5, 2018
Observations by third parties
Search/Exam
Aug 28, 2018
Aug 28, 2018
Aug 14, 2018
Observations by third parties
Search/Exam
Apr 25, 2018
Amended claims with annotations
Search/Exam
Apr 25, 2018
Amended description with annotations
Search/Exam
Apr 25, 2018
Claims
Search/Exam
Apr 25, 2018
Description
Search/Exam
Apr 25, 2018
Feb 28, 2018
Feb 16, 2018
Feb 12, 2018
Feb 12, 2018
Feb 5, 2018
Non-patent literature filed by a third party
Search/Exam
Feb 5, 2018
Non-patent literature filed by a third party
Search/Exam
Feb 5, 2018
Observations by third parties
Search/Exam
Jan 31, 2018
Observations by third parties
Search/Exam
Jan 30, 2018
Jan 30, 2018
Jan 30, 2018
Jan 30, 2018
Jan 30, 2018
Jan 30, 2018
Observations by third parties
Search/Exam
Jan 30, 2018
Observations by third parties
Search/Exam
Oct 18, 2017
Annex to the communication
Search/Exam
Oct 18, 2017
Communication from the Examining Division
Search/Exam
Jul 3, 2017
May 2, 2017
Apr 21, 2017
Mar 30, 2017
Mar 30, 2017
Submission concerning representation
Search/Exam
Dec 23, 2016
Annex to the communication
Search/Exam
Dec 23, 2016
Communication from the Examining Division
Search/Exam
Dec 15, 2016
Examination started
Search/Exam
Oct 19, 2016
Oct 19, 2016
Oct 13, 2016
Observations by third parties
Search/Exam
Oct 13, 2016
Patent document filed by a Third party
Search/Exam
Oct 13, 2016
Patent document filed by a Third party
Search/Exam
Mar 29, 2016
Mar 29, 2016
Amended claims with annotations
Search/Exam
Mar 29, 2016
Mar 29, 2016
Amended description with annotations
Search/Exam
Mar 29, 2016
Amendments received before examination
Search/Exam
Mar 29, 2016
Letter concerning fees and payments
Search/Exam
Mar 29, 2016
Payment of fees and costs
Search/Exam
Oct 12, 2015
Sep 9, 2015
Notification of forthcoming publication
Search/Exam
Aug 21, 2015
Aug 21, 2015
European search opinion
Search/Exam
Aug 21, 2015
European search report
Search/Exam
Aug 12, 2015
Search started
Search/Exam
Apr 21, 2015
Apr 10, 2015
Apr 7, 2015
Communication to designated inventor
Search/Exam
Apr 7, 2015
Communication to designated inventor
Search/Exam
Apr 7, 2015
Communication to designated inventor
Search/Exam
Feb 10, 2015
Abstract
Search/Exam
Feb 10, 2015
Feb 10, 2015
Claims
Search/Exam
Feb 10, 2015
Description
Search/Exam
Feb 10, 2015
Designation of inventor
Search/Exam
Feb 10, 2015
Drawings
Search/Exam
Feb 10, 2015
Request for grant of a European patent
Search/Exam