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The patent EP2776224 was granted to Arkema France on Aug 21, 2019. The application was filed on Nov 6, 2012 under application number EP12794442A. 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 |
|---|---|---|---|
| NASH MATTHEWS | May 20, 2020 | APPLEYARD LEES | ADMISSIBLE |
| EVONIK OPERATIONS | May 2, 2020 | EVONIK PATENT ASSOCIATION | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2005207931 |
| DESCRIPTION | US2009280263 |
| DESCRIPTION | US5247052 |
| INTERNATIONAL-SEARCH-REPORT | CA2086780 |
| INTERNATIONAL-SEARCH-REPORT | US2009280263 |
| OPPOSITION | FR2982519 |
| OPPOSITION | US2006134419 |
| OPPOSITION | US2009280263 |
| OTHER | US6040043 |
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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Aug 30, 2024
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Apr 9, 2024
(Electronic) Receipt
Appeal
Apr 9, 2024
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(Electronic) Receipt
Appeal
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Mar 15, 2024
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Mar 4, 2024
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Feb 23, 2024
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(Electronic) Receipt
Appeal
Jan 22, 2024
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Dec 21, 2023
(Electronic) Receipt
Appeal
Dec 21, 2023
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(Electronic) Receipt
Appeal
Dec 20, 2023
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Dec 15, 2023
Dec 8, 2023
(Electronic) Receipt
Appeal
Dec 8, 2023
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May 26, 2023
Advice of delivery
Appeal
May 23, 2023
Advice of delivery
Appeal
May 19, 2023
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Mar 27, 2023
Oct 17, 2022
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(Electronic) Receipt
Appeal
Oct 4, 2022
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Oct 4, 2022
Reply to appeal
Appeal
Sep 28, 2022
(Electronic) Receipt
Appeal
Sep 28, 2022
Sep 28, 2022
Reply to appeal
Appeal
Sep 28, 2022
Reply to appeal
Appeal
May 23, 2022
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May 16, 2022
(Electronic) Receipt
Appeal
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Claims
Appeal
May 16, 2022
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Mar 2, 2022
(Electronic) Receipt
Appeal
Mar 2, 2022
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Notice of appeal
Appeal
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OPPO
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Sep 2, 2019
Jul 25, 2019
Decision to grant a European patent
Search/Exam
Jul 12, 2019
(Electronic) Receipt
Search/Exam
Jul 12, 2019
English translation of the claims
Search/Exam
Jul 12, 2019
Filing of the translations of the claims
Search/Exam
Jul 12, 2019
German translation of the claims
Search/Exam
Jul 12, 2019
Letter accompanying subsequently filed items
Search/Exam
May 23, 2019
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Intention to grant (signatures)
Search/Exam
May 23, 2019
Text intended for grant (clean copy)
Search/Exam
May 23, 2019
Apr 25, 2019
Apr 17, 2019
(Electronic) Receipt
Search/Exam
Apr 17, 2019
Amended claims with annotations
Search/Exam
Apr 17, 2019
Amended description with annotations
Search/Exam
Apr 17, 2019
Claims
Search/Exam
Apr 17, 2019
Description
Search/Exam
Apr 17, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 17, 2019
Apr 12, 2019
Annex to the communication
Search/Exam
Apr 12, 2019
Consultation by telephone/in person
Search/Exam
Apr 12, 2019
Apr 1, 2019
(Electronic) Receipt
Search/Exam
Apr 1, 2019
Amended claims with annotations
Search/Exam
Apr 1, 2019
Amended claims with annotations
Search/Exam
Apr 1, 2019
Amended claims with annotations
Search/Exam
Apr 1, 2019
Amended claims with annotations
Search/Exam
Apr 1, 2019
Claims
Search/Exam
Apr 1, 2019
Claims
Search/Exam
Apr 1, 2019
Claims
Search/Exam
Apr 1, 2019
Claims
Search/Exam
Apr 1, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 1, 2019
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Nov 16, 2018
Advice of delivery
Search/Exam
Nov 7, 2018
Acknowledgement of a document
Search/Exam
Nov 7, 2018
Annex to the communication
Search/Exam
Nov 7, 2018
Oct 30, 2018
Preparation for oral proceedings
Search/Exam
Oct 24, 2018
Examination started
Search/Exam
Mar 26, 2018
Dec 15, 2014
(Electronic) Receipt
Search/Exam
Dec 15, 2014
Dec 15, 2014
Amendments received before examination
Search/Exam
Dec 15, 2014
Letter accompanying subsequently filed items
Search/Exam
Aug 20, 2014
Jun 17, 2014
Jun 13, 2014
Communication to designated inventor
Search/Exam
Jun 13, 2014
Communication to designated inventor
Search/Exam
Jun 10, 2014
Priority search results copy provided by EPO
Search/Exam
Jun 2, 2014
May 6, 2014
(Electronic) Receipt
Search/Exam
May 6, 2014
Request for entry into the European phase
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
Copy of the international search report
Search/Exam
May 16, 2013
Published international application - A1
Search/Exam
Mar 7, 2013
Mar 7, 2013
Mar 7, 2013
Jan 29, 2013
Jan 24, 2013
Nov 6, 2012
Abstract
PCTISA
Nov 6, 2012
Claims
PCTISA
Nov 6, 2012
Description
PCTISA