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The patent EP2996967 was granted to Arkema France on Jan 1, 2025. The application was filed on May 14, 2014 under application number EP14729952A. 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 |
|---|---|---|---|
| UNITED INITIATORS | Aug 13, 2019 | WEICKMANN & WEICKMANN PARTMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | FR1272944 |
| DESCRIPTION | FR1273907 |
| DESCRIPTION | FR1515058 |
| DESCRIPTION | FR2407434 |
| DESCRIPTION | FR2822880 |
| INTERNATIONAL-SEARCH-REPORT | US2005023278 |
| INTERNATIONAL-SEARCH-REPORT | WO2008014572 |
| INTERNATIONAL-SEARCH-REPORT | WO9113818 |
| OPPOSITION | US2005023278 |
| OPPOSITION | US2008197649 |
| OPPOSITION | US2011291045 |
| OPPOSITION | US5632400 |
| OPPOSITION | WO2008014572 |
| OPPOSITION | WO2010046790 |
| OPPOSITION | WO2014184491 |
| OPPOSITION | WO9113818 |
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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Dec 5, 2024
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Mar 28, 2024
(Electronic) Receipt
Appeal
Mar 28, 2024
Mar 28, 2024
Mar 28, 2024
Mar 26, 2024
(Electronic) Receipt
Appeal
Mar 26, 2024
Mar 26, 2024
Mar 19, 2024
Mar 19, 2024
Mar 19, 2024
Jan 23, 2024
Letter accompanying subsequently filed items
Search/Exam
Jan 17, 2024
Jan 12, 2024
(Electronic) Receipt
Appeal
Jan 12, 2024
Jan 12, 2024
Dec 19, 2023
Dec 13, 2023
(Electronic) Receipt
Appeal
Dec 13, 2023
Dec 13, 2023
Nov 16, 2023
Nov 16, 2023
Nov 13, 2023
Nov 13, 2023
Oct 26, 2022
Oct 21, 2022
(Electronic) Receipt
Appeal
Oct 21, 2022
Oct 21, 2022
Sep 23, 2022
Sep 20, 2022
(Electronic) Receipt
Appeal
Sep 20, 2022
Sep 20, 2022
Aug 3, 2022
Jul 29, 2022
(Electronic) Receipt
Appeal
Jul 29, 2022
Jul 29, 2022
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Jul 29, 2022
Reply to appeal
Appeal
Jul 27, 2022
Jul 22, 2022
(Electronic) Receipt
Appeal
Jul 22, 2022
Jul 22, 2022
Reply to appeal
Appeal
Mar 23, 2022
Mar 23, 2022
Mar 17, 2022
(Electronic) Receipt
Appeal
Mar 17, 2022
Mar 17, 2022
Mar 17, 2022
Mar 17, 2022
Mar 17, 2022
Mar 17, 2022
Mar 8, 2022
(Electronic) Receipt
Appeal
Mar 8, 2022
Mar 8, 2022
Mar 8, 2022
Mar 8, 2022
Jan 14, 2022
Jan 14, 2022
Jan 14, 2022
Jan 14, 2022
Jan 10, 2022
(Electronic) Receipt
Appeal
Jan 10, 2022
(Electronic) Receipt
Appeal
Jan 10, 2022
Jan 10, 2022
Jan 10, 2022
Notice of appeal
Appeal
Jan 10, 2022
Notice of appeal
Appeal
Nov 12, 2021
Nov 10, 2021
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Means of redress
OPPO
Nov 10, 2021
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Aug 8, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 8, 2019
Nov 26, 2018
Oct 18, 2018
Decision to grant a European patent
Search/Exam
Oct 4, 2018
(Electronic) Receipt
Search/Exam
Oct 4, 2018
English translation of the claims
Search/Exam
Oct 4, 2018
Filing of the translations of the claims
Search/Exam
Oct 4, 2018
German translation of the claims
Search/Exam
Oct 4, 2018
Letter accompanying subsequently filed items
Search/Exam
Jun 4, 2018
Jun 4, 2018
Jun 4, 2018
Intention to grant (signatures)
Search/Exam
Jun 4, 2018
Text intended for grant (clean copy)
Search/Exam
Jun 4, 2018
May 22, 2018
May 4, 2018
(Electronic) Receipt
Search/Exam
May 4, 2018
Amended claims with annotations
Search/Exam
May 4, 2018
Amended description with annotations
Search/Exam
May 4, 2018
Claims
Search/Exam
May 4, 2018
Description
Search/Exam
May 4, 2018
Letter accompanying subsequently filed items
Search/Exam
May 4, 2018
Jan 3, 2018
Jan 3, 2018
Jan 3, 2018
Intention to grant (signatures)
Search/Exam
Jan 3, 2018
Text intended for grant (clean copy)
Search/Exam
Jan 3, 2018
Nov 22, 2017
Submission concerning representation
Search/Exam
Sep 14, 2017
Decision to allow further processing
Search/Exam
Sep 1, 2017
(Electronic) Receipt
Search/Exam
Sep 1, 2017
Amended claims with annotations
Search/Exam
Sep 1, 2017
Claims
Search/Exam
Sep 1, 2017
Sep 1, 2017
Request for further processing
Search/Exam
Jun 26, 2017
May 11, 2017
May 2, 2017
Mar 22, 2017
Mar 16, 2017
(Electronic) Receipt
Search/Exam
Mar 16, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 16, 2017
Nov 21, 2016
Annex to the communication
Search/Exam
Nov 21, 2016
Communication from the Examining Division
Search/Exam
Nov 11, 2016
Examination started
Search/Exam
Oct 14, 2016
Decision to allow further processing
Search/Exam
Oct 3, 2016
(Electronic) Receipt
Search/Exam
Oct 3, 2016
Oct 3, 2016
Amended claims with annotations
Search/Exam
Oct 3, 2016
Amendments received before examination
Search/Exam
Oct 3, 2016
Request for further processing
Search/Exam
Aug 5, 2016
Feb 24, 2016
Dec 22, 2015
Dec 18, 2015
Communication to designated inventor
Search/Exam
Dec 18, 2015
Communication to designated inventor
Search/Exam
Dec 18, 2015
Communication to designated inventor
Search/Exam
Dec 18, 2015
Communication to designated inventor
Search/Exam
Dec 15, 2015
Priority search results copy provided by EPO
Search/Exam
Dec 1, 2015
Nov 9, 2015
(Electronic) Receipt
Search/Exam
Nov 9, 2015
Request for entry into the European phase
Search/Exam
Sep 25, 2015
Information on entry into European phase
Search/Exam
Dec 8, 2014
Nov 20, 2014
Copy of the international search report
Search/Exam
Nov 20, 2014
Copy of the international search report
Search/Exam
Nov 20, 2014
Published international application - A1
Search/Exam
Sep 3, 2014
Sep 3, 2014
Sep 3, 2014
May 14, 2014
Abstract
PCTISA
May 14, 2014
Claims
PCTISA
May 14, 2014
Description
PCTISA
May 14, 2014
Drawings
PCTISA