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The patent EP2530121 was granted to Arkema France on Dec 21, 2022. The application was filed on May 31, 2012 under application number EP12170256A. 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 |
|---|---|---|---|
| EVONIK OPERATIONS | Jan 5, 2018 | - | ADMISSIBLE |
| RHODIA OPERATIONS | Jan 3, 2018 | GEVERS PATENTS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1227131 |
| DESCRIPTION | EP1227132 |
| DESCRIPTION | EP1413595 |
| DESCRIPTION | FR2867190 |
| DESCRIPTION | FR2873380 |
| DESCRIPTION | FR2930555 |
| DESCRIPTION | US2004010239 |
| DESCRIPTION | US2004106691 |
| DESCRIPTION | US2006071359 |
| DESCRIPTION | US2009291308 |
| DESCRIPTION | US6136948 |
| DESCRIPTION | US7229272 |
| DESCRIPTION | WO9606881 |
| OPPOSITION | EP1413595 |
| OPPOSITION | FR2873380 |
| OPPOSITION | JPH1081820 |
| OPPOSITION | US2004102537 |
| OPPOSITION | US2004102539 |
| OPPOSITION | US4334056 |
| SEARCH | EP1413595 |
| SEARCH | FR2873380 |
| SEARCH | FR2952062 |
| SEARCH | JPH1081820 |
| SEARCH | US2004102539 |
| SEARCH | US4334056 |
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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Nov 24, 2022
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Nov 18, 2022
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(Electronic) Receipt
Appeal
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Advice of delivery
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Advice of delivery
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Appeal
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Appeal
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(Electronic) Receipt
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Authorisation
Appeal
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Advice of delivery
Appeal
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Reply to appeal
Appeal
Jun 25, 2020
(Electronic) Receipt
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Feb 11, 2020
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Authorisation
Appeal
Jan 15, 2020
General authorisation
Appeal
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Dec 23, 2019
Authorisation
Appeal
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(Electronic) Receipt
Appeal
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Appeal
Dec 4, 2019
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Notice of appeal
Appeal
Nov 28, 2019
(Electronic) Receipt
Appeal
Nov 28, 2019
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Notice of appeal
Appeal
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OPPO
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OPPO
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OPPO
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OPPO
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OPPO
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OPPO
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OPPO
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OPPO
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OPPO
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OPPO
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OPPO
Apr 24, 2019
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OPPO
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Apr 5, 2017
Mar 9, 2017
Decision to grant a European patent
Search/Exam
Feb 24, 2017
(Electronic) Receipt
Search/Exam
Feb 24, 2017
English translation of the claims
Search/Exam
Feb 24, 2017
Filing of the translations of the claims
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Feb 24, 2017
German translation of the claims
Search/Exam
Feb 24, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 19, 2017
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Intention to grant (signatures)
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Jan 19, 2017
Text intended for grant (clean copy)
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Jan 19, 2017
Dec 5, 2016
(Electronic) Receipt
Search/Exam
Dec 5, 2016
Description
Search/Exam
Dec 5, 2016
Letter accompanying subsequently filed items
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Dec 5, 2016
Oct 12, 2016
Oct 4, 2016
Jul 25, 2016
Annex to the communication
Search/Exam
Jul 25, 2016
Communication from the Examining Division
Search/Exam
Feb 24, 2016
(Electronic) Receipt
Search/Exam
Feb 24, 2016
Claims
Search/Exam
Feb 24, 2016
Letter accompanying subsequently filed items
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Feb 24, 2016
Feb 10, 2016
Feb 4, 2016
(Electronic) Receipt
Search/Exam
Feb 4, 2016
Letter accompanying subsequently filed items
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Feb 4, 2016
Sep 24, 2015
Annex to the communication
Search/Exam
Sep 24, 2015
Communication from the Examining Division
Search/Exam
Jun 5, 2013
(Electronic) Receipt
Search/Exam
Jun 5, 2013
Jun 5, 2013
Amendments received before examination
Search/Exam
Jun 5, 2013
Letter accompanying subsequently filed items
Search/Exam
Dec 10, 2012
Letter concerning the priority
Search/Exam
Dec 10, 2012
Priority document
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Dec 10, 2012
Nov 7, 2012
Notification of forthcoming publication
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Nov 6, 2012
Invitation to file priority document
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Sep 14, 2012
Communication to designated inventor
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Sep 4, 2012
(Electronic) Receipt
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Sep 4, 2012
Letter accompanying subsequently filed items
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Sep 4, 2012
Letter concerning the inventor
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Aug 22, 2012
Aug 13, 2012
Letter which had not been notified
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Jul 18, 2012
Refund of fees
Search/Exam
Jul 6, 2012
Jul 6, 2012
European search opinion
Search/Exam
Jul 6, 2012
European search report
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Jun 8, 2012
Priority search results copy provided by EPO
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May 31, 2012
Abstract
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May 31, 2012
May 31, 2012
Claims
Search/Exam
May 31, 2012
Description
Search/Exam
May 31, 2012
Designation of inventor
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May 31, 2012
Designation of inventor
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May 31, 2012
Drawings
Search/Exam
May 31, 2012
Priority search results
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May 31, 2012
Request for grant of a European patent
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