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The patent EP2913552 was granted to Sumitomo Bakelite on Apr 18, 2018. The application was filed on Oct 24, 2013 under application number EP13848253A. 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 |
|---|---|---|---|
| VRI VERBAND DER REIBBELAGINDUSTRIE EV | Jan 15, 2019 | IPSILON BENELUX | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2002509199 |
| DESCRIPTION | JP2010048387 |
| INTERNATIONAL-SEARCH-REPORT | JP2002098177 |
| INTERNATIONAL-SEARCH-REPORT | JP2012036932 |
| INTERNATIONAL-SEARCH-REPORT | JPH03103487 |
| INTERNATIONAL-SEARCH-REPORT | JPS57124134 |
| OPPOSITION | JP2012036932 |
| OPPOSITION | US2001003321 |
| OPPOSITION | US2006076699 |
| OPPOSITION | US4175070 |
| OPPOSITION | US5273819 |
| OPPOSITION | US5573579 |
| OPPOSITION | US6284831 |
| SEARCH | US2009302462 |
| SEARCH | US4175070 |
| SEARCH | US5273819 |
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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Oct 28, 2024
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(Electronic) Receipt
Appeal
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Appeal
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Appeal
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Appeal
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Appeal
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Appeal
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Appeal
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Appeal
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Appeal
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Appeal
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(Electronic) Receipt
Appeal
Jul 23, 2024
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Dec 8, 2023
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Oct 18, 2022
(Electronic) Receipt
Appeal
Oct 18, 2022
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Claims
Appeal
Oct 18, 2022
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Appeal
Oct 18, 2022
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Appeal
Oct 18, 2022
Claims
Appeal
Oct 18, 2022
Claims
Appeal
Oct 18, 2022
Oct 18, 2022
Reply to appeal
Appeal
Jun 15, 2022
Jun 8, 2022
(Electronic) Receipt
Appeal
Jun 8, 2022
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Apr 5, 2022
Apr 5, 2022
Mar 31, 2022
(Electronic) Receipt
Appeal
Mar 31, 2022
Mar 31, 2022
Notice of appeal
Appeal
Mar 1, 2022
Feb 15, 2022
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Means of redress
OPPO
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Apr 30, 2018
Mar 22, 2018
Decision to grant a European patent
Search/Exam
Mar 6, 2018
(Electronic) Receipt
Search/Exam
Mar 6, 2018
French translation of claims
Search/Exam
Mar 6, 2018
German translation of the claims
Search/Exam
Mar 6, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 1, 2017
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Intention to grant (signatures)
Search/Exam
Dec 1, 2017
Text intended for grant (clean copy)
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Dec 1, 2017
Aug 11, 2017
(Electronic) Receipt
Search/Exam
Aug 11, 2017
Amended claims with annotations
Search/Exam
Aug 11, 2017
Claims
Search/Exam
Aug 11, 2017
Letter accompanying subsequently filed items
Search/Exam
Aug 11, 2017
Apr 13, 2017
Annex to the communication
Search/Exam
Apr 13, 2017
Communication from the Examining Division
Search/Exam
Dec 16, 2016
(Electronic) Receipt
Search/Exam
Dec 16, 2016
Dec 16, 2016
Amended claims with annotations
Search/Exam
Dec 16, 2016
Amendments received before examination
Search/Exam
Dec 16, 2016
Letter accompanying subsequently filed items
Search/Exam
Jun 17, 2016
Jun 1, 2016
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European search opinion
Search/Exam
Jun 1, 2016
Information on Search Strategy
Search/Exam
Jun 1, 2016
Supplementary European search report
Search/Exam
May 19, 2016
Search started
Search/Exam
Aug 5, 2015
Notification of forthcoming publication
Search/Exam
Jul 15, 2015
Jul 13, 2015
Submission concerning representation
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Jun 2, 2015
May 29, 2015
Communication to designated inventor
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May 29, 2015
Communication to designated inventor
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May 13, 2015
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Apr 24, 2015
(Electronic) Receipt
Search/Exam
Apr 24, 2015
Abstract
Search/Exam
Apr 24, 2015
Claims
Search/Exam
Apr 24, 2015
Description
Search/Exam
Apr 24, 2015
Drawings
Search/Exam
Apr 24, 2015
Request for entry into the European phase
Search/Exam
Mar 6, 2015
Information on entry into European phase
Search/Exam
May 20, 2014
May 1, 2014
Copy of the international search report
Search/Exam
May 1, 2014
May 1, 2014
International publication pamphlet
Search/Exam