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The patent EP2634232 was granted to E I DU Pont DE Nemours on Apr 6, 2022. The application was filed on May 7, 2009 under application number EP13169896A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| MEXICHEM FLUOR DE CV | Jan 6, 2023 | POTTER CLARKSON | WITHDRAWN |
| AGC | Dec 28, 2022 | MULLER BORE & PARTNER PATENTANWALTE PARTG MBB | ADMISSIBLE |
| SUZUKI FRANCESUSUKI MOTOR | Aug 30, 2022 | AUGUST DEBOUZY | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2005228202 |
| DESCRIPTION | WO2008054781 |
| DESCRIPTION | WO2008054782 |
| EXAMINATION | WO2005105947 |
| OPPOSITION | EP2271724 |
| OPPOSITION | JPH04110388 |
| OPPOSITION | US2006185972 |
| OPPOSITION | US2007258909 |
| OPPOSITION | WO0166498 |
| OPPOSITION | WO2005105947 |
| OPPOSITION | WO2006094303 |
| OPPOSITION | WO2009137656 |
| OTHER | WO2005105947 |
| SEARCH | GB2439392 |
| SEARCH | US2007100175 |
| SEARCH | US2008011159 |
| SEARCH | US2008058562 |
| SEARCH | WO2006094303 |
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 30, 2024
Oct 21, 2024
Authorisation
OPPO
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Apr 21, 2022
Mar 11, 2022
Decision to grant a European patent
Search/Exam
Feb 23, 2022
(Electronic) Receipt
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Feb 23, 2022
Filing of the translations of the claims
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Feb 23, 2022
French translation of claims
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Feb 23, 2022
German translation of the claims
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Feb 23, 2022
Letter accompanying subsequently filed items
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Jan 31, 2022
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Jan 31, 2022
Intention to grant (signatures)
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Jan 31, 2022
Text intended for grant (clean copy)
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Jan 31, 2022
Nov 26, 2021
(Electronic) Receipt
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Nov 26, 2021
Amended claims with annotations
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Nov 26, 2021
Amended description with annotations
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Nov 26, 2021
Claims
Search/Exam
Nov 26, 2021
Description
Search/Exam
Nov 26, 2021
Letter accompanying subsequently filed items
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Nov 26, 2021
Nov 2, 2021
Annex to the communication
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Nov 2, 2021
Communication from the Examining Division
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Apr 15, 2020
Nov 29, 2019
Annex to the communication
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Nov 29, 2019
Communication from the Examining Division
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Aug 8, 2019
Amended description with annotations
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Aug 8, 2019
Description
Search/Exam
Aug 8, 2019
Jul 24, 2019
Jul 15, 2019
Non-patent literature filed by a third party
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Jul 15, 2019
Non-patent literature filed by a third party
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Jul 15, 2019
Observations by third parties
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Jul 15, 2019
Patent document filed by a Third party
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Jun 12, 2019
Annex to the communication
Search/Exam
Jun 12, 2019
Communication from the Examining Division
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Jan 30, 2019
Examination started
Search/Exam
Nov 15, 2018
Sep 28, 2017
(Electronic) Receipt
Search/Exam
Sep 28, 2017
Sep 28, 2017
Amended claims with annotations
Search/Exam
Sep 28, 2017
Amendments received before examination
Search/Exam
Sep 28, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 12, 2017
Refund of fees
Search/Exam
Apr 3, 2017
Feb 23, 2017
Feb 23, 2017
European search opinion
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Feb 23, 2017
European search report
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Feb 23, 2017
Information on Search Strategy
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Feb 10, 2017
Search started
Search/Exam
May 24, 2016
May 11, 2016
Payment of fees and costs
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May 11, 2016
Mar 10, 2016
Mar 8, 2016
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Mar 2, 2016
(Electronic) Receipt
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Mar 2, 2016
Letter accompanying subsequently filed items
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Mar 2, 2016
Apr 10, 2015
CDS Clean up - amended applicant details
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Apr 7, 2015
Aug 7, 2013
Notification of forthcoming publication
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Jul 23, 2013
Communication to designated inventor
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Jul 23, 2013
Communication to designated inventor
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May 30, 2013
Abstract
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May 30, 2013
May 30, 2013
Claims
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May 30, 2013
Description
Search/Exam
May 30, 2013
Designation of inventor
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May 30, 2013
Designation of inventor
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May 30, 2013
Drawings
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May 30, 2013
Request for grant of a European patent
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Dec 3, 2009