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The patent EP2309962 was granted to The Procter & Gamble on Apr 22, 2020. The application was filed on Aug 4, 2009 under application number EP09791125A. 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 |
|---|---|---|---|
| PAUL HARTMANN | Jan 22, 2021 | DREISS PATENTANWALTE PARTG MBB | - |
| REIFENHAUSER MASCHINENFABRIK | Jan 22, 2021 | ANDREJEWSKI HONKE PATENT UND RECHTSANWALTE PARTNERSCHAFT MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2006135923 |
| INTERNATIONAL-SEARCH-REPORT | WO0037723 |
| INTERNATIONAL-SEARCH-REPORT | WO0212601 |
| INTERNATIONAL-SEARCH-REPORT | WO0229145 |
| OPPOSITION | EP1417945 |
| OPPOSITION | US2002142691 |
| OPPOSITION | US2006135923 |
| OPPOSITION | WO0037723 |
| OPPOSITION | WO0212601 |
| OPPOSITION | WO0229145 |
| OPPOSITION | WO2005112854 |
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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Decision to grant a European patent
Search/Exam
Mar 13, 2020
(Electronic) Receipt
Search/Exam
Mar 13, 2020
French translation of claims
Search/Exam
Mar 13, 2020
German translation of the claims
Search/Exam
Mar 13, 2020
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
Nov 19, 2019
Text intended for grant (clean copy)
Search/Exam
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Submission concerning representation
Search/Exam
Feb 2, 2018
Submission concerning representation
Search/Exam
Jul 14, 2015
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(Electronic) Receipt
Search/Exam
Jul 8, 2015
Letter accompanying subsequently filed items
Search/Exam
Nov 7, 2013
Submission concerning representation
Search/Exam
Feb 24, 2012
Claims
Search/Exam
Feb 24, 2012
Description
Search/Exam
Feb 24, 2012
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(Electronic) Receipt
Search/Exam
Dec 2, 2011
Letter accompanying subsequently filed items
Search/Exam
Dec 2, 2011
Aug 17, 2011
Annex to the communication
Search/Exam
Aug 17, 2011
Communication from the Examining Division
Search/Exam
Mar 28, 2011
(Electronic) Receipt
Search/Exam
Mar 28, 2011
Amended description with annotations
Search/Exam
Mar 28, 2011
Letter accompanying subsequently filed items
Search/Exam
Mar 28, 2011
Reply to Written Opinion prepared by the EPO
Search/Exam
Mar 23, 2011
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Jan 26, 2011
(Electronic) Receipt
Search/Exam
Jan 26, 2011
Request for entry into the European phase
Search/Exam
Dec 15, 2010
Information on entry into European phase
Search/Exam
Mar 2, 2010
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Copy of the international search report
Search/Exam
Feb 11, 2010
Published international application - A1
Search/Exam
Nov 25, 2009
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Aug 13, 2009
Abstract
PCTISA
Aug 13, 2009
Claims
PCTISA
Aug 13, 2009
Description
PCTISA
Aug 13, 2009