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The patent EP2420558 was granted to The Procter & Gamble on Aug 2, 2017. The application was filed on Aug 17, 2010 under application number EP10172993A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| HENKEL | Apr 23, 2018 | LKGLOBAL LORENZ & KOPF | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE735096 |
| DESCRIPTION | EP1022334 |
| DESCRIPTION | US2005170990 |
| DESCRIPTION | US2007123447 |
| DESCRIPTION | US2503280 |
| DESCRIPTION | US2507088 |
| DESCRIPTION | US3260744 |
| DESCRIPTION | US3372188 |
| DESCRIPTION | US3915903 |
| DESCRIPTION | US5856164 |
| DESCRIPTION | US5968888 |
| DESCRIPTION | US6008181 |
| DESCRIPTION | US6020303 |
| DESCRIPTION | US6060443 |
| DESCRIPTION | US6093562 |
| DESCRIPTION | US7153818 |
| DESCRIPTION | WO0023548 |
| DESCRIPTION | WO0023549 |
| DESCRIPTION | WO0060060 |
| DESCRIPTION | WO2006002643 |
| DESCRIPTION | WO2006014740 |
| DESCRIPTION | WO2006041740 |
| DESCRIPTION | WO2007098889 |
| DESCRIPTION | WO2007135645 |
| DESCRIPTION | WO2007138053 |
| DESCRIPTION | WO9402597 |
| DESCRIPTION | WO9418314 |
| DESCRIPTION | WO9533025 |
| DESCRIPTION | WO9623873 |
| DESCRIPTION | WO9623874 |
| DESCRIPTION | WO9700324 |
| DESCRIPTION | WO9743424 |
| DESCRIPTION | WO9905082 |
| DESCRIPTION | WO9905084 |
| DESCRIPTION | WO9905241 |
| DESCRIPTION | WO9905242 |
| DESCRIPTION | WO9905243 |
| DESCRIPTION | WO9905244 |
| DESCRIPTION | WO9907656 |
| DESCRIPTION | WO9923211 |
| EXAMINATION | EP2410040 |
| OPPOSITION | EP0684300 |
| OPPOSITION | EP0874041 |
| OPPOSITION | EP2264136 |
| OPPOSITION | EP2264138 |
| OPPOSITION | US2007123447 |
| OPPOSITION | US6046152 |
| OPPOSITION | WO2007141066 |
| OPPOSITION | WO9739089 |
| OPPOSITION | WO9823712 |
| OPPOSITION | WO9856884 |
| SEARCH | EP0855438 |
| SEARCH | EP0874041 |
| SEARCH | US2005107275 |
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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OPPO
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Claims
OPPO
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Claims
OPPO
Jul 30, 2019
Claims
OPPO
Jul 30, 2019
Claims
OPPO
Jul 30, 2019
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Aug 2, 2017
Jul 6, 2017
Decision to grant a European patent
Search/Exam
Jun 16, 2017
(Electronic) Receipt
Search/Exam
Jun 16, 2017
French translation of claims
Search/Exam
Jun 16, 2017
German translation of the claims
Search/Exam
Jun 16, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 20, 2017
Mar 14, 2017
Mar 14, 2017
Mar 14, 2017
Mar 14, 2017
Intention to grant (signatures)
Search/Exam
Mar 14, 2017
Text intended for grant (clean copy)
Search/Exam
Mar 14, 2017
Aug 22, 2016
(Electronic) Receipt
Search/Exam
Aug 22, 2016
Amended description with annotations
Search/Exam
Aug 22, 2016
Description
Search/Exam
Aug 22, 2016
Letter accompanying subsequently filed items
Search/Exam
Aug 22, 2016
Apr 19, 2016
Annex to the communication
Search/Exam
Apr 19, 2016
Communication from the Examining Division
Search/Exam
Sep 17, 2015
(Electronic) Receipt
Search/Exam
Sep 17, 2015
Amended claims with annotations
Search/Exam
Sep 17, 2015
Claims
Search/Exam
Sep 17, 2015
Letter accompanying subsequently filed items
Search/Exam
Sep 17, 2015
Jul 9, 2015
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Jul 2, 2015
(Electronic) Receipt
Search/Exam
Jul 2, 2015
(Electronic) Receipt
Search/Exam
Jul 2, 2015
Letter accompanying subsequently filed items
Search/Exam
Jul 2, 2015
Letter accompanying subsequently filed items
Search/Exam
Jul 2, 2015
Jul 2, 2015
Mar 16, 2015
Mar 12, 2015
Annex to the communication
Search/Exam
Mar 12, 2015
Communication from the Examining Division
Search/Exam
Apr 30, 2014
(Electronic) Receipt
Search/Exam
Apr 30, 2014
Amended claims with annotations
Search/Exam
Apr 30, 2014
Amended description with annotations
Search/Exam
Apr 30, 2014
Claims
Search/Exam
Apr 30, 2014
Description
Search/Exam
Apr 30, 2014
Letter accompanying subsequently filed items
Search/Exam
Apr 30, 2014
Mar 7, 2014
Mar 3, 2014
(Electronic) Receipt
Search/Exam
Mar 3, 2014
Letter accompanying subsequently filed items
Search/Exam
Mar 3, 2014
Oct 21, 2013
Annex to the communication
Search/Exam
Oct 21, 2013
Communication from the Examining Division
Search/Exam
Oct 11, 2013
Examination started
Search/Exam
Aug 16, 2012
(Electronic) Receipt
Search/Exam
Aug 16, 2012
Letter concerning fees and payments
Search/Exam
Aug 16, 2012
Reply to Written Opinion prepared by the EPO
Search/Exam
Feb 27, 2012
Jan 25, 2012
Notification of forthcoming publication
Search/Exam
Feb 1, 2011
Feb 1, 2011
European search opinion
Search/Exam
Feb 1, 2011
European search report
Search/Exam
Aug 17, 2010
Abstract
Search/Exam
Aug 17, 2010
Aug 17, 2010
Claims
Search/Exam
Aug 17, 2010
Description
Search/Exam
Aug 17, 2010
Designation of inventor
Search/Exam
Aug 17, 2010
Designation of inventor
Search/Exam
Aug 17, 2010
Designation of inventor
Search/Exam
Aug 17, 2010
Request for grant of a European patent
Search/Exam