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The patent EP2802337 was granted to JI on Jan 20, 2021. The application was filed on Nov 7, 2012 under application number EP12848736A. 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 |
|---|---|---|---|
| LUBRIZOL ADVANCED MATERIALS | Dec 21, 2018 | BRADLEY | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US6169074 |
| DESCRIPTION | US6866856 |
| INTERNATIONAL-SEARCH-REPORT | US2009226387 |
| INTERNATIONAL-SEARCH-REPORT | US2010021510 |
| OPPOSITION | EP1180524 |
| OPPOSITION | US2009226387 |
| OPPOSITION | US2010021510 |
| OPPOSITION | US2010215726 |
| OPPOSITION | US2010260823 |
| OPPOSITION | US2011206752 |
| OPPOSITION | US6380358 |
| OPPOSITION | WO2009106338 |
| SEARCH | EP1180524 |
| SEARCH | EP2123673 |
| SEARCH | US2009226387 |
| SEARCH | US2010021510 |
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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Jan 11, 2021
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OPPO
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OPPO
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Claims
OPPO
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OPPO
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OPPO
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OPPO
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Feb 22, 2018
Decision to grant a European patent
Search/Exam
Feb 9, 2018
(Electronic) Receipt
Search/Exam
Feb 9, 2018
Filing of the translations of the claims
Search/Exam
Feb 9, 2018
French translation of claims
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Feb 9, 2018
German translation of the claims
Search/Exam
Feb 9, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 15, 2017
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Intention to grant (signatures)
Search/Exam
Dec 15, 2017
Text intended for grant (clean copy)
Search/Exam
Dec 15, 2017
Oct 30, 2017
(Electronic) Receipt
Search/Exam
Oct 30, 2017
Amended claims with annotations
Search/Exam
Oct 30, 2017
Amended description with annotations
Search/Exam
Oct 30, 2017
Claims
Search/Exam
Oct 30, 2017
Description
Search/Exam
Oct 30, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 30, 2017
Sep 29, 2017
Annex to the communication
Search/Exam
Sep 29, 2017
Communication from the Examining Division
Search/Exam
May 26, 2017
(Electronic) Receipt
Search/Exam
May 26, 2017
Letter accompanying subsequently filed items
Search/Exam
May 26, 2017
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Jan 27, 2017
Annex to the communication
Search/Exam
Jan 27, 2017
Communication from the Examining Division
Search/Exam
Jan 19, 2017
Examination started
Search/Exam
Mar 7, 2016
(Electronic) Receipt
Search/Exam
Mar 7, 2016
Mar 7, 2016
Amended claims with annotations
Search/Exam
Mar 7, 2016
Amendments received before examination
Search/Exam
Mar 7, 2016
Letter accompanying subsequently filed items
Search/Exam
Jan 11, 2016
Oct 13, 2015
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European search opinion
Search/Exam
Sep 25, 2015
Supplementary European search report
Search/Exam
Sep 17, 2015
Search started
Search/Exam
Oct 22, 2014
Oct 6, 2014
Oct 2, 2014
Request for further processing allowed
Search/Exam
Sep 24, 2014
Sep 8, 2014
(Electronic) Receipt
Search/Exam
Sep 8, 2014
Sep 8, 2014
Amended claims with annotations
Search/Exam
Sep 8, 2014
Request for entry into the European phase
Search/Exam
Sep 8, 2014
Request for further processing
Search/Exam
Aug 25, 2014
Letter which had not been notified
Search/Exam
Jul 16, 2014
Jun 2, 2014
Apr 8, 2014
Letter which had not been notified
Search/Exam
Mar 21, 2014
Information on entry into European phase
Search/Exam
Jun 7, 2013
May 16, 2013
Copy of the international search report
Search/Exam
May 16, 2013
Published international application - A1
Search/Exam