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The patent EP2520641 was granted to The Procter & Gamble on Mar 13, 2019. The application was filed on Jun 30, 2006 under application number EP12178998A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| HENKEL | Dec 10, 2019 | - | ADMISSIBLE |
| DALLI WERKE | Dec 2, 2019 | F & E PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0170386 |
| DESCRIPTION | EP0200263 |
| DESCRIPTION | EP0332294 |
| DESCRIPTION | EP0414549 |
| DESCRIPTION | EP0482807 |
| DESCRIPTION | EP0705324 |
| DESCRIPTION | GB1466799 |
| DESCRIPTION | US2895916 |
| DESCRIPTION | US3455839 |
| DESCRIPTION | US3812044 |
| DESCRIPTION | US3929678 |
| DESCRIPTION | US4169806 |
| DESCRIPTION | US4199467 |
| DESCRIPTION | US4199468 |
| DESCRIPTION | US4223163 |
| DESCRIPTION | US4228042 |
| DESCRIPTION | US4239660 |
| DESCRIPTION | US4246612 |
| DESCRIPTION | US4259217 |
| DESCRIPTION | US4260529 |
| DESCRIPTION | US4427417 |
| DESCRIPTION | US4639489 |
| DESCRIPTION | US4704233 |
| DESCRIPTION | US4810410 |
| DESCRIPTION | US5114611 |
| DESCRIPTION | US5227084 |
| DESCRIPTION | US5576281 |
| DESCRIPTION | US5614485 |
| DESCRIPTION | US5914307 |
| DESCRIPTION | US6017873 |
| DESCRIPTION | US6326341 |
| DESCRIPTION | US6593287 |
| DESCRIPTION | WO9308874 |
| DESCRIPTION | WO9308876 |
| EXAMINATION | US6162259 |
| EXAMINATION | WO0001661 |
| EXAMINATION | WO0112768 |
| OPPOSITION | EP1113070 |
| OPPOSITION | EP2520641 |
| OPPOSITION | US2004072716 |
| OPPOSITION | US2005043205 |
| OPPOSITION | US5998346 |
| OPPOSITION | US6162259 |
| OPPOSITION | WO0001661 |
| OPPOSITION | WO0112768 |
| OPPOSITION | WO9500624 |
| OPPOSITION | WO9736991 |
| OPPOSITION | WO9743387 |
| OPPOSITION | WO9749792 |
| OPPOSITION | WO9811185 |
| OPPOSITION | WO9901531 |
| SEARCH | US4608188 |
| SEARCH | US5431847 |
| SEARCH | US5559089 |
| SEARCH | US5693602 |
| SEARCH | US5705464 |
| SEARCH | WO0050551 |
| SEARCH | WO9217565 |
| SEARCH | WO9310210 |
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.
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Description
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Notice of appeal
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Feb 14, 2019
Decision to grant a European patent
Search/Exam
Feb 4, 2019
(Electronic) Receipt
Search/Exam
Feb 4, 2019
Filing of the translations of the claims
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Feb 4, 2019
French translation of claims
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Feb 4, 2019
German translation of the claims
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Intention to grant (signatures)
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Oct 2, 2018
Text intended for grant (clean copy)
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(Electronic) Receipt
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(Electronic) Receipt
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Aug 6, 2018
Amended claims with annotations
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Amended description with annotations
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Claims
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Claims
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Description
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Description
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Aug 6, 2018
Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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Aug 6, 2018
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Advice of delivery
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May 9, 2018
Acknowledgement of a document
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May 9, 2018
Annex to the communication
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May 9, 2018
Summons to attend oral proceedings
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Apr 26, 2018
Preparation for oral proceedings
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Feb 23, 2015
Decision to allow further processing
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Feb 12, 2015
(Electronic) Receipt
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Feb 12, 2015
Amended claims with annotations
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Feb 12, 2015
Claims
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Feb 12, 2015
Letter accompanying subsequently filed items
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Feb 12, 2015
Request for further processing
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Dec 3, 2014
Aug 27, 2014
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(Electronic) Receipt
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Aug 21, 2014
Letter accompanying subsequently filed items
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Aug 21, 2014
Jul 4, 2014
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Jul 1, 2014
Letter accompanying subsequently filed items
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Jul 1, 2014
Apr 22, 2014
Annex to the communication
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Apr 22, 2014
Communication from the Examining Division
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Nov 14, 2013
(Electronic) Receipt
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Nov 14, 2013
Claims
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Nov 14, 2013
Letter accompanying subsequently filed items
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Nov 14, 2013
Jul 4, 2013
Annex to the communication
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Jul 4, 2013
Communication from the Examining Division
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May 2, 2013
(Electronic) Receipt
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Amended claims with annotations
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May 2, 2013
Amendments received before examination
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May 2, 2013
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May 2, 2013
Letter accompanying subsequently filed items
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Nov 12, 2012
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Refund of fees
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Oct 10, 2012
Notification of forthcoming publication
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Oct 5, 2012
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European search opinion
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Oct 5, 2012
European search report
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Sep 25, 2012
Communication to designated inventor
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Sep 25, 2012
Communication to designated inventor
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Aug 2, 2012
Abstract
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Aug 2, 2012
Aug 2, 2012
Claims
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Aug 2, 2012
Description
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Aug 2, 2012
Designation of inventor
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Aug 2, 2012
Designation of inventor
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Aug 2, 2012
Jan 29, 2007