The patent EP2512422 was granted to KAO Germany on Sep 20, 2017. The application was originally filed on Dec 15, 2010 under application number EP10796283A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number | 
|---|---|
| DESCRIPTION | DE2521960 | 
| DESCRIPTION | DE2811010 | 
| DESCRIPTION | DE3044738 | 
| DESCRIPTION | DE3217059 | 
| DESCRIPTION | EP0337354 | 
| DESCRIPTION | EP0524612 | 
| DESCRIPTION | EP0640643 | 
| INTERNATIONAL-SEARCH-REPORT | US2005063934 | 
| INTERNATIONAL-SEARCH-REPORT | WO2008152595 | 
| INTERNATIONAL-SEARCH-REPORT | WO2009059455 | 
| OPPOSITION | CA2025185 | 
| OPPOSITION | DE20301831U | 
| OPPOSITION | EP1228748 | 
| OPPOSITION | WO0045787 | 
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
| Citation Phase | Reference Text | 
|---|---|
| DESCRIPTION | - Hagers Handbuch der pharmazeutischen Praxis | 
| INTERNATIONAL-SEARCH-REPORT | - JURCZYK MATTHEW F ET AL, "CATIONIC SURFACTANTS AND QUATERNARY DERIVATIVES FOR HAIR AND SKIN CARE", COSMETIC SCIENCE AND TECHNOLOGY SERIES, DEKKER, NEW YORK, NY, US, (19990101), vol. 21, ISSN 0887-6541, pages 223 - 249, XP001249398 [T] * the whole document * | 
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Date
Description
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Feb 22, 2023
Feb 21, 2023
Refund of fees
Appeal
Feb 17, 2023
Feb 16, 2023
Feb 13, 2023
(Electronic) Receipt
Appeal
Feb 13, 2023
Feb 13, 2023
Feb 13, 2023
Withdrawal of an appeal
Appeal
Dec 1, 2022
May 18, 2022
May 13, 2022
Apr 14, 2022
Apr 11, 2022
Mar 4, 2021
Mar 1, 2021
(Electronic) Receipt
Appeal
Mar 1, 2021
Mar 1, 2021
Aug 27, 2020
Aug 21, 2020
(Electronic) Receipt
Appeal
Aug 21, 2020
Aug 21, 2020
Aug 21, 2020
Aug 21, 2020
Reply to appeal
Appeal
Apr 21, 2020
Apr 17, 2020
Apr 17, 2020
Apr 17, 2020
Apr 17, 2020
Apr 17, 2020
Claims
Appeal
Apr 17, 2020
Apr 17, 2020
Apr 15, 2020
Apr 15, 2020
Apr 15, 2020
Apr 15, 2020
Apr 15, 2020
Claims
Appeal
Apr 15, 2020
Apr 15, 2020
Apr 15, 2020
Dec 16, 2019
Dec 11, 2019
Dec 11, 2019
Notice of appeal
Appeal
Dec 6, 2019
Dec 6, 2019
Notice of appeal
Appeal
Nov 29, 2019
Nov 28, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
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Means of redress
Search/Exam
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Oct 22, 2019
Aug 2, 2019
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Claims
OPPO
Aug 2, 2019
Claims
OPPO
Aug 2, 2019
Jul 30, 2019
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Claims
OPPO
Jul 30, 2019
Claims
OPPO
Jul 30, 2019
Jul 8, 2019
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Jul 3, 2019
Jul 1, 2019
Jun 28, 2019
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Nov 6, 2018
Nov 5, 2018
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Claims
OPPO
Nov 5, 2018
Oct 31, 2018
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Claims
OPPO
Oct 31, 2018
Jul 2, 2018
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Jun 1, 2018
May 29, 2018
May 29, 2018
May 29, 2018
May 29, 2018
May 29, 2018
May 29, 2018
May 29, 2018
Sep 20, 2017
Aug 24, 2017
Decision to grant a European patent
Search/Exam
Aug 9, 2017
Filing of the translations of the claims
Search/Exam
Aug 8, 2017
Filing of the translations of the claims
Search/Exam
Jul 26, 2017
Jul 26, 2017
Jul 26, 2017
Intention to grant (signatures)
Search/Exam
Jul 26, 2017
Text intended for grant (clean copy)
Search/Exam
Jul 26, 2017
Jun 19, 2017
Apr 20, 2017
(Electronic) Receipt
Search/Exam
Apr 20, 2017
Claims
Search/Exam
Apr 20, 2017
French translation of claims
Search/Exam
Apr 20, 2017
German translation of the claims
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Apr 20, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 20, 2017
Dec 23, 2016
Dec 23, 2016
Dec 23, 2016
Intention to grant (signatures)
Search/Exam
Dec 23, 2016
Text intended for grant (clean copy)
Search/Exam
Dec 23, 2016
Mar 17, 2016
Amended claims with annotations
Search/Exam
Mar 17, 2016
Amended description with annotations
Search/Exam
Mar 17, 2016
Claims
Search/Exam
Mar 17, 2016
Description
Search/Exam
Mar 17, 2016
Mar 11, 2016
Amended claims with annotations
Search/Exam
Mar 11, 2016
Amended description with annotations
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Mar 11, 2016
Claims
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Mar 11, 2016
Description
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Mar 11, 2016
Nov 20, 2015
Annex to the communication
Search/Exam
Nov 20, 2015
Communication from the Examining Division
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Nov 3, 2015
Examination started
Search/Exam
Dec 30, 2014
Payment of fees and costs
Search/Exam
Dec 30, 2014
Payment of fees and costs
Search/Exam
Dec 13, 2013
(Electronic) Receipt
Search/Exam
Dec 13, 2013
Letter concerning fees and payments
Search/Exam
May 21, 2013
Decision to allow further processing
Search/Exam
May 10, 2013
May 10, 2013
May 10, 2013
Request for further processing
Search/Exam
May 7, 2013
May 7, 2013
May 7, 2013
Request for further processing
Search/Exam
Mar 13, 2013
Dec 21, 2012
(Electronic) Receipt
Search/Exam
Dec 21, 2012
Letter accompanying subsequently filed items
Search/Exam
Sep 26, 2012
Jul 25, 2012
Jul 3, 2012
May 11, 2012
Mar 29, 2012
(Electronic) Receipt
Search/Exam
Mar 29, 2012
Annexes in respect of a client data request
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Mar 29, 2012
Request for entry into the European phase
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Aug 11, 2011
Copy of the international search report
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Aug 11, 2011
Jul 11, 2011
Jun 23, 2011
Published international application - A2
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Jun 13, 2011
Jun 13, 2011
Jun 13, 2011
Dec 15, 2010
Abstract
PCTRO
Dec 15, 2010
Claims
PCTRO
Dec 15, 2010
Description
PCTRO
Dec 15, 2010