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The patent EP2883522 was granted to Unicharm on Jul 19, 2017. The application was filed on Oct 10, 2012 under application number EP12882709A. 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 |
|---|---|---|---|
| THE PROCTER & GAMBLE | Apr 19, 2018 | ELKINGTON AND FIFE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2005027839 |
| INTERNATIONAL-SEARCH-REPORT | JP2002320641 |
| INTERNATIONAL-SEARCH-REPORT | JP2008212232 |
| INTERNATIONAL-SEARCH-REPORT | JP2012024463 |
| INTERNATIONAL-SEARCH-REPORT | WO2008078610 |
| OPPOSITION | JP2005087622 |
| OPPOSITION | JP2008228834 |
| OPPOSITION | US2005288648 |
| OPPOSITION | WO2011048513 |
| SEARCH | EP2098200 |
| SEARCH | JP2005027839 |
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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Sep 22, 2023
Sep 22, 2023
Sep 22, 2023
Sep 18, 2023
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Jul 20, 2023
Jul 14, 2023
(Electronic) Receipt
Appeal
Jul 14, 2023
Jul 14, 2023
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Jun 28, 2023
(Electronic) Receipt
Appeal
Jun 28, 2023
(Electronic) Receipt
Appeal
Jun 28, 2023
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May 16, 2022
Advice of delivery
Appeal
May 13, 2022
May 13, 2022
May 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 7, 2022
Jun 24, 2020
Jun 15, 2020
(Electronic) Receipt
Appeal
Jun 15, 2020
Jun 15, 2020
Reply to appeal
Appeal
Apr 6, 2020
Mar 2, 2020
Feb 5, 2020
Jan 30, 2020
(Electronic) Receipt
Appeal
Jan 30, 2020
Jan 30, 2020
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Claims
Appeal
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Appeal
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Appeal
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Jan 30, 2020
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Appeal
Jan 30, 2020
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Jan 30, 2020
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Appeal
Jan 30, 2020
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Dec 2, 2019
Nov 27, 2019
Nov 27, 2019
Notice of appeal
Appeal
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OPPO
Sep 6, 2019
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Jul 10, 2019
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Jul 10, 2019
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Jul 10, 2019
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Jul 10, 2019
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Jul 10, 2019
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Jul 20, 2017
Jun 22, 2017
Decision to grant a European patent
Search/Exam
Jun 2, 2017
Filing of the translations of the claims
Search/Exam
Jun 2, 2017
French translation of claims
Search/Exam
Jun 2, 2017
German translation of the claims
Search/Exam
Jun 2, 2017
Payment of fees and costs
Search/Exam
Jun 2, 2017
Payment of fees and costs
Search/Exam
Mar 23, 2017
Mar 23, 2017
Mar 23, 2017
Intention to grant (signatures)
Search/Exam
Mar 23, 2017
Text intended for grant (clean copy)
Search/Exam
Mar 23, 2017
Feb 22, 2017
Nov 8, 2016
Annex to the communication
Search/Exam
Nov 8, 2016
Communication from the Examining Division
Search/Exam
Nov 2, 2016
Examination started
Search/Exam
Aug 26, 2016
Aug 26, 2016
Amended claims with annotations
Search/Exam
Aug 26, 2016
Aug 26, 2016
Amended description with annotations
Search/Exam
Aug 26, 2016
Amendments received before examination
Search/Exam
Mar 18, 2016
CDS Clean up - amended applicant details
Search/Exam
Mar 16, 2016
Mar 11, 2016
Mar 4, 2016
Feb 23, 2016
Feb 23, 2016
European search opinion
Search/Exam
Feb 23, 2016
Information on Search Strategy
Search/Exam
Feb 23, 2016
Supplementary European search report
Search/Exam
Feb 8, 2016
Search started
Search/Exam
May 20, 2015
Notification of forthcoming publication
Search/Exam
Mar 13, 2015
Mar 11, 2015
Communication to designated inventor
Search/Exam
Mar 11, 2015
Communication to designated inventor
Search/Exam
Feb 24, 2015
Feb 24, 2015
Jan 9, 2015
(Electronic) Receipt
Search/Exam
Jan 9, 2015
Abstract
Search/Exam
Jan 9, 2015
Jan 9, 2015
Amended description with annotations
Search/Exam
Jan 9, 2015
Claims
Search/Exam
Jan 9, 2015
Description
Search/Exam
Jan 9, 2015
Drawings
Search/Exam
Jan 9, 2015
Request for entry into the European phase
Search/Exam
Dec 17, 2014
Information on entry into European phase
Search/Exam
Mar 3, 2014
Mar 3, 2014
Feb 13, 2014
Copy of the international search report
Search/Exam
Feb 13, 2014
Feb 13, 2014
International publication pamphlet
Search/Exam