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The patent EP3196244 was granted to Sumitomo Rubber Industries on Feb 24, 2021. The application was filed on Sep 30, 2015 under application number EP15849696A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| ORION ENGINEERED CARBONS | Nov 23, 2021 | F & E | ADMISSIBLE |
| ORION ENGINEERED CARBONS | Nov 23, 2021 | F & E PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | US5229452 |
| INTERNATIONAL-SEARCH-REPORT | JP2000313820 |
| INTERNATIONAL-SEARCH-REPORT | JP2009023503 |
| INTERNATIONAL-SEARCH-REPORT | JP2011099012 |
| INTERNATIONAL-SEARCH-REPORT | JP2011099018 |
| INTERNATIONAL-SEARCH-REPORT | JP2012126852 |
| INTERNATIONAL-SEARCH-REPORT | JP2013185102 |
| INTERNATIONAL-SEARCH-REPORT | JP2013221052 |
| INTERNATIONAL-SEARCH-REPORT | JP2013241482 |
| INTERNATIONAL-SEARCH-REPORT | JPH07500371 |
| INTERNATIONAL-SEARCH-REPORT | JPH10193911 |
| OPPOSITION | DE102005048721 |
| OPPOSITION | EP0982378 |
| OPPOSITION | EP1452344 |
| OPPOSITION | EP3181633 |
| OPPOSITION | JP2007131730 |
| OPPOSITION | JP2007269259 |
| OPPOSITION | JP2011231295 |
| OPPOSITION | JP2012077135 |
| OPPOSITION | JP2012207233 |
| OPPOSITION | US2011034611 |
| OPPOSITION | US2011236816 |
| OPPOSITION | US6211281 |
| OPPOSITION | US6787595 |
| OPPOSITION | US8697793 |
| SEARCH | EP0519988 |
| SEARCH | EP0686174 |
| SEARCH | EP2778202 |
| SEARCH | US2008110552 |
| SEARCH | US2014228502 |
| SEARCH | US4973463 |
| SEARCH | US5124396 |
| SEARCH | US5430088 |
| SEARCH | US5985977 |
| SEARCH | US6358487 |
| SEARCH | US6787595 |
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 1, 2025
Refund of fees
Appeal
Sep 26, 2025
Sep 26, 2025
Sep 25, 2025
(Electronic) Receipt
Appeal
Sep 25, 2025
Sep 25, 2025
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Withdrawal of an appeal
Appeal
Sep 25, 2025
Withdrawal of an appeal
Appeal
Aug 27, 2025
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(Electronic) Receipt
Appeal
Aug 26, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Jan 14, 2025
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(Electronic) Receipt
Appeal
Jan 13, 2025
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(Electronic) Receipt
Appeal
Feb 2, 2024
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Dec 7, 2023
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(Electronic) Receipt
Appeal
Dec 5, 2023
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Reply to appeal
Appeal
Jul 27, 2023
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(Electronic) Receipt
Appeal
Jul 19, 2023
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(Electronic) Receipt
Appeal
Jun 2, 2023
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May 25, 2023
(Electronic) Receipt
Appeal
May 25, 2023
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Notice of appeal
Appeal
Mar 27, 2023
Mar 15, 2023
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Means of redress
OPPO
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OPPO
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Mar 8, 2021
Jan 28, 2021
Decision to grant a European patent
Search/Exam
Jan 12, 2021
(Electronic) Receipt
Search/Exam
Jan 12, 2021
Filing of the translations of the claims
Search/Exam
Jan 12, 2021
French translation of claims
Search/Exam
Jan 12, 2021
German translation of the claims
Search/Exam
Jan 12, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 9, 2020
Oct 9, 2020
Oct 9, 2020
Intention to grant (signatures)
Search/Exam
Oct 9, 2020
Text intended for grant (clean copy)
Search/Exam
Oct 9, 2020
Jul 29, 2020
Mar 30, 2020
Mar 30, 2020
Mar 30, 2020
Intention to grant (signatures)
Search/Exam
Mar 30, 2020
Text intended for grant (clean copy)
Search/Exam
Mar 30, 2020
Feb 7, 2020
(Electronic) Receipt
Search/Exam
Feb 7, 2020
Amended description with annotations
Search/Exam
Feb 7, 2020
Description
Search/Exam
Feb 7, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 7, 2020
Sep 27, 2019
Annex to the communication
Search/Exam
Sep 27, 2019
Communication from the Examining Division
Search/Exam
Apr 29, 2019
Examination started
Search/Exam
Feb 18, 2019
Submission concerning representation
Search/Exam
Dec 4, 2018
(Electronic) Receipt
Search/Exam
Dec 4, 2018
Dec 4, 2018
Amended claims with annotations
Search/Exam
Dec 4, 2018
Amendments received before examination
Search/Exam
Dec 4, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 4, 2018
Maintenance of the application
Search/Exam
May 28, 2018
May 9, 2018
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European search opinion
Search/Exam
May 9, 2018
Information on Search Strategy
Search/Exam
May 9, 2018
Supplementary European search report
Search/Exam
Apr 19, 2018
Search started
Search/Exam
Jun 28, 2017
Notification of forthcoming publication
Search/Exam
May 17, 2017
Refund of fees
Search/Exam
May 12, 2017
May 10, 2017
Communication to designated inventor
Search/Exam
May 10, 2017
Communication to designated inventor
Search/Exam
May 10, 2017
Communication to designated inventor
Search/Exam
May 10, 2017
Communication to designated inventor
Search/Exam
May 10, 2017
Communication to designated inventor
Search/Exam
May 10, 2017
Communication to designated inventor
Search/Exam
May 10, 2017
Communication to designated inventor
Search/Exam
May 10, 2017
Communication to designated inventor
Search/Exam
May 10, 2017
Communication to designated inventor
Search/Exam
Apr 19, 2017
(Electronic) Receipt
Search/Exam
Apr 19, 2017
Abstract
Search/Exam
Apr 19, 2017
Claims
Search/Exam
Apr 19, 2017
Claims filed under Art.19 PCT
Search/Exam
Apr 19, 2017
Apr 19, 2017
Description
Search/Exam
Apr 19, 2017
Drawings
Search/Exam
Apr 19, 2017
Matter concerning the application
Search/Exam
Apr 19, 2017
Request for entry into the European phase
Search/Exam
Apr 19, 2017
Feb 17, 2017
Information on entry into European phase
Search/Exam
May 4, 2016
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Apr 14, 2016
Copy of the international search report
Search/Exam
Apr 14, 2016
Apr 14, 2016
International publication pamphlet
Search/Exam