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The patent EP2283332 was granted to Akzo Nobel on Dec 9, 2020. The application was filed on May 26, 2009 under application number EP09753877A. 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 |
|---|---|---|---|
| BASF COATINGS | Sep 9, 2021 | RDL PATENTANWALTE PARTG MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2007250273 |
| INTERNATIONAL-SEARCH-REPORT | US6204923 |
| INTERNATIONAL-SEARCH-REPORT | US6539325 |
| OPPOSITION | EP0965825 |
| OPPOSITION | JP2001318000 |
| OPPOSITION | JP2004093522 |
| OPPOSITION | JP2005028359 |
| OPPOSITION | US2002181766 |
| OPPOSITION | US2003067475 |
| OPPOSITION | US2004030510 |
| OPPOSITION | US2006183458 |
| OPPOSITION | US6539325 |
| OPPOSITION | WO0144767 |
| OPPOSITION | WO2006030028 |
| OPPOSITION | WO2006052561 |
| OPPOSITION | WO2007059373 |
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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Sep 29, 2025
Sep 29, 2025
Sep 29, 2025
Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
Jun 26, 2025
Jun 13, 2025
Jun 12, 2025
(Electronic) Receipt
Appeal
Jun 12, 2025
(Electronic) Receipt
Appeal
Jun 12, 2025
Jun 12, 2025
Jun 12, 2025
Jun 12, 2025
Jan 31, 2025
Jan 31, 2025
Jan 31, 2025
Jan 30, 2025
(Electronic) Receipt
Appeal
Jan 30, 2025
Jan 30, 2025
Jan 23, 2025
Jan 23, 2025
Dec 18, 2024
Dec 17, 2024
(Electronic) Receipt
Appeal
Dec 17, 2024
Dec 17, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Nov 27, 2024
Nov 27, 2024
Aug 7, 2024
Aug 7, 2024
Oct 2, 2023
Sep 20, 2023
(Electronic) Receipt
Appeal
Sep 20, 2023
Sep 20, 2023
Sep 20, 2023
Reply to appeal
Appeal
May 23, 2023
May 16, 2023
(Electronic) Receipt
Appeal
May 16, 2023
May 16, 2023
May 16, 2023
May 16, 2023
May 16, 2023
May 16, 2023
May 16, 2023
May 16, 2023
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May 16, 2023
May 16, 2023
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May 16, 2023
May 16, 2023
Mar 2, 2023
Mar 2, 2023
Feb 26, 2023
(Electronic) Receipt
Appeal
Feb 26, 2023
Feb 26, 2023
Notice of appeal
Appeal
Jan 25, 2023
Jan 25, 2023
Jan 25, 2023
Jan 18, 2023
Jan 18, 2023
Jan 18, 2023
Jan 18, 2023
Jan 18, 2023
Jan 18, 2023
Means of redress
OPPO
Jan 18, 2023
Jan 18, 2023
Jan 18, 2023
Jan 18, 2023
Jan 18, 2023
Jan 18, 2023
Jan 18, 2023
Jan 18, 2023
Jan 13, 2023
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Dec 1, 2022
Dec 1, 2022
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Oct 13, 2022
Oct 11, 2022
Oct 11, 2022
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Oct 5, 2022
Oct 5, 2022
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Oct 5, 2022
May 17, 2022
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May 13, 2022
May 13, 2022
Dec 23, 2021
Dec 20, 2021
Dec 20, 2021
Dec 20, 2021
Nov 11, 2021
Document concerning representation
Search/Exam
Nov 11, 2021
Document concerning representation
Search/Exam
Nov 11, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 21, 2021
Sep 21, 2021
Sep 16, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
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Sep 9, 2021
Sep 9, 2021
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Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
Jul 29, 2021
Jul 21, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 21, 2021
Dec 21, 2020
Nov 12, 2020
Decision to grant a European patent
Search/Exam
Oct 28, 2020
(Electronic) Receipt
Search/Exam
Oct 28, 2020
Filing of the translations of the claims
Search/Exam
Oct 28, 2020
French translation of claims
Search/Exam
Oct 28, 2020
German translation of the claims
Search/Exam
Aug 5, 2020
Aug 5, 2020
Aug 5, 2020
Intention to grant (signatures)
Search/Exam
Aug 5, 2020
Text intended for grant (clean copy)
Search/Exam
Aug 5, 2020
Apr 17, 2020
(Electronic) Receipt
Search/Exam
Apr 17, 2020
Amended claims with annotations
Search/Exam
Apr 17, 2020
Amended description with annotations
Search/Exam
Apr 17, 2020
Claims
Search/Exam
Apr 17, 2020
Description
Search/Exam
Apr 17, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 17, 2020
Apr 9, 2020
Annex to the communication
Search/Exam
Apr 9, 2020
Communication from the Examining Division
Search/Exam
Nov 20, 2019
(Electronic) Receipt
Search/Exam
Nov 20, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 20, 2019
Jul 19, 2019
Annex to the communication
Search/Exam
Jul 19, 2019
Communication from the Examining Division
Search/Exam
Mar 6, 2018
(Electronic) Receipt
Search/Exam
Mar 6, 2018
Amended claims with annotations
Search/Exam
Mar 6, 2018
Claims
Search/Exam
Mar 6, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 6, 2018
Nov 15, 2017
Annex to the communication
Search/Exam
Nov 15, 2017
Communication from the Examining Division
Search/Exam
Nov 9, 2017
Examination started
Search/Exam
Jan 2, 2017
Mar 11, 2013
Mar 6, 2013
Mar 5, 2013
Mar 21, 2011
Reply to Written Opinion prepared by the EPO
Search/Exam
Mar 18, 2011
Letter accompanying subsequently filed items
Search/Exam
Mar 18, 2011
Reply to Written Opinion prepared by the EPO
Search/Exam
Mar 4, 2011
Jan 19, 2011
Dec 8, 2010
Dec 8, 2010
Nov 4, 2010
(Electronic) Receipt
Search/Exam
Nov 4, 2010
Request for entry into the European phase
Search/Exam
Oct 8, 2010
Information on entry into European phase
Search/Exam
Apr 26, 2010
Apr 26, 2010
Apr 26, 2010
Apr 26, 2010
Apr 26, 2010
Apr 26, 2010
Apr 26, 2010
Apr 26, 2010
Apr 26, 2010
Mar 2, 2010
Notification of election of EPO
Search/Exam
Feb 11, 2010
Feb 9, 2010
Feb 9, 2010
Feb 8, 2010
Feb 8, 2010
Feb 8, 2010
Jan 29, 2010
PCT demand form
PCT2
Jan 29, 2010
Dec 23, 2009
Dec 23, 2009
Dec 3, 2009
Copy of the international search report
Search/Exam
Dec 3, 2009
Published international application - A1
Search/Exam
Jul 15, 2009
Jul 15, 2009
Jul 15, 2009
May 26, 2009
(Electronic) Receipt
PCTRO
May 26, 2009
Abstract
PCTRO
May 26, 2009
Claims
PCTRO
May 26, 2009
Description
PCTRO
May 26, 2009