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The patent EP1992388 was granted to KAO Germany on Nov 1, 2017. The application was filed on May 3, 2005 under application number EP08014894A. 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 | EP0640643 |
| DESCRIPTION | EP1022014 |
| DESCRIPTION | EP1559403 |
| DESCRIPTION | EP1598047 |
| DESCRIPTION | EP1598048 |
| DESCRIPTION | EP1598049 |
| EXAMINATION | EP1430874 |
| EXAMINATION | WO2004058204 |
| EXAMINATION | WO2004058690 |
| OPPOSITION | US2003192133 |
| OPPOSITION | WO2004058204 |
| SEARCH | EP1291006 |
| SEARCH | EP1559404 |
| SEARCH | US6537328 |
| SEARCH | WO03103617 |
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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Nov 30, 2023
Nov 30, 2023
Nov 30, 2023
May 25, 2023
May 25, 2023
May 25, 2023
May 22, 2023
May 17, 2023
(Electronic) Receipt
Appeal
May 17, 2023
May 17, 2023
Apr 26, 2023
Apr 26, 2023
Apr 21, 2023
Apr 20, 2023
(Electronic) Receipt
Appeal
Apr 20, 2023
Apr 20, 2023
Mar 6, 2023
Mar 6, 2023
Mar 6, 2023
Letter accompanying subsequently filed items
Search/Exam
Mar 6, 2023
Request for a change of address - opponent
Search/Exam
Jan 12, 2023
Jan 6, 2023
(Electronic) Receipt
Appeal
Jan 6, 2023
Jan 6, 2023
Dec 21, 2022
Dec 21, 2022
Dec 15, 2022
(Electronic) Receipt
Appeal
Dec 15, 2022
Dec 15, 2022
Jul 20, 2022
Jul 11, 2022
Jul 11, 2022
Jul 6, 2022
Dec 8, 2020
Aug 25, 2020
Aug 20, 2020
(Electronic) Receipt
Appeal
Aug 20, 2020
Aug 20, 2020
Aug 20, 2020
Reply to appeal
Appeal
May 14, 2020
Apr 14, 2020
Apr 6, 2020
(Electronic) Receipt
Appeal
Apr 6, 2020
Apr 6, 2020
Apr 6, 2020
Apr 6, 2020
Apr 6, 2020
Apr 6, 2020
Apr 6, 2020
Apr 6, 2020
Apr 6, 2020
Feb 14, 2020
Feb 3, 2020
(Electronic) Receipt
Appeal
Feb 3, 2020
Feb 3, 2020
Notice of appeal
Appeal
Dec 18, 2019
Dec 4, 2019
Dec 3, 2019
Dec 3, 2019
Dec 3, 2019
Dec 3, 2019
Dec 3, 2019
Dec 3, 2019
Dec 3, 2019
Dec 3, 2019
Dec 3, 2019
Means of redress
OPPO
Dec 3, 2019
Dec 3, 2019
Dec 3, 2019
Dec 3, 2019
Oct 23, 2019
Aug 28, 2019
Aug 23, 2019
Aug 13, 2019
Aug 13, 2019
Aug 8, 2019
Aug 8, 2019
Aug 8, 2019
Aug 8, 2019
Aug 8, 2019
Aug 6, 2019
Aug 6, 2019
Apr 17, 2019
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Apr 11, 2019
Apr 10, 2019
Apr 10, 2019
Apr 10, 2019
Apr 10, 2019
Apr 10, 2019
Apr 10, 2019
Dec 19, 2018
Dec 17, 2018
Dec 13, 2018
Dec 13, 2018
Aug 13, 2018
Aug 13, 2018
Aug 8, 2018
Aug 1, 2018
Aug 1, 2018
Aug 1, 2018
Aug 1, 2018
Aug 1, 2018
Aug 1, 2018
Nov 10, 2017
Oct 6, 2017
Decision to grant a European patent
Search/Exam
Sep 21, 2017
(Electronic) Receipt
Search/Exam
Sep 21, 2017
Filing of the translations of the claims
Search/Exam
Sep 21, 2017
French translation of claims
Search/Exam
Sep 21, 2017
German translation of the claims
Search/Exam
Jun 22, 2017
Jun 22, 2017
Jun 22, 2017
Intention to grant (signatures)
Search/Exam
Jun 22, 2017
Text intended for grant (clean copy)
Search/Exam
Jun 22, 2017
Jun 19, 2017
Annex to a communication
Search/Exam
Jun 19, 2017
Annex to a communication
Search/Exam
Jun 19, 2017
Annex to a communication
Search/Exam
Jun 19, 2017
Annex to the communication
Search/Exam
Jun 19, 2017
Jun 19, 2017
Jun 19, 2017
Jun 19, 2017
Jun 14, 2017
Refund of fees
Search/Exam
Mar 23, 2017
Claims
Search/Exam
Mar 23, 2017
Mar 21, 2017
Claims
Search/Exam
Mar 21, 2017
Sep 16, 2016
Advice of delivery
Search/Exam
Sep 16, 2016
Advice of delivery
Search/Exam
Sep 15, 2016
Acknowledgement of a document
Search/Exam
Sep 15, 2016
Annex to the communication
Search/Exam
Sep 15, 2016
Preparation for oral proceedings
Search/Exam
Sep 15, 2016
Summons to attend oral proceedings
Search/Exam
Mar 13, 2015
Claims
Search/Exam
Mar 13, 2015
Mar 10, 2015
Claims
Search/Exam
Mar 10, 2015
Jan 14, 2015
Jan 8, 2015
(Electronic) Receipt
Search/Exam
Jan 8, 2015
Sep 5, 2014
Annex to the communication
Search/Exam
Sep 5, 2014
Communication from the Examining Division
Search/Exam
Mar 24, 2014
(Electronic) Receipt
Search/Exam
Mar 24, 2014
Letter accompanying subsequently filed items
Search/Exam
May 10, 2013
(Electronic) Receipt
Search/Exam
May 10, 2013
Letter accompanying subsequently filed items
Search/Exam
Apr 26, 2012
Mar 28, 2012
(Electronic) Receipt
Search/Exam
Mar 28, 2012
Letter accompanying subsequently filed items
Search/Exam
Mar 28, 2012
Aug 4, 2011
(Electronic) Receipt
Search/Exam
Aug 4, 2011
Amended claims with annotations
Search/Exam
Aug 4, 2011
Letter accompanying subsequently filed items
Search/Exam
Aug 4, 2011
Jun 7, 2011
May 31, 2011
May 30, 2011
(Electronic) Receipt
Search/Exam
May 30, 2011
Letter accompanying subsequently filed items
Search/Exam
May 30, 2011
Jan 28, 2011
Annex to the communication
Search/Exam
Jan 28, 2011
Communication from the Examining Division
Search/Exam
Mar 26, 2010
Letter concerning fees and payments
Search/Exam
Jan 12, 2010
Claims
Search/Exam
Jan 12, 2010
Claims
Search/Exam
Jan 12, 2010
Jan 12, 2010
Jan 11, 2010
Claims
Search/Exam
Jan 11, 2010
Claims
Search/Exam
Jan 11, 2010
Jan 11, 2010
Nov 18, 2009
Nov 14, 2009
Nov 11, 2009
Jul 1, 2009
Communication from the Examining Division
Search/Exam
May 12, 2009
Letter concerning fees and payments
Search/Exam
May 12, 2009
May 11, 2009
Letter concerning fees and payments
Search/Exam
May 11, 2009
Nov 21, 2008
Oct 29, 2008
Refund order search fee
Search/Exam
Oct 22, 2008
Notification of forthcoming publication
Search/Exam
Oct 15, 2008
Oct 15, 2008
European search opinion
Search/Exam
Oct 15, 2008
European search report
Search/Exam
Aug 25, 2008
Abstract
Search/Exam
Aug 25, 2008
Claims
Search/Exam
Aug 25, 2008
Description
Search/Exam
Aug 25, 2008
Designation of inventor
Search/Exam
Aug 25, 2008
Aug 22, 2008
Abstract
Search/Exam
Aug 22, 2008
Claims
Search/Exam
Aug 22, 2008
Description
Search/Exam
Aug 22, 2008
Designation of inventor
Search/Exam
Aug 22, 2008