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The patent EP3257929 was granted to The Procter & Gamble on Mar 9, 2022. The application was filed on Jun 17, 2016 under application number EP16175138A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 9, 2022 | - | ADMISSIBLE |
| RECKITT BENCKISER | Dec 9, 2022 | DIETZ | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1022334 |
| DESCRIPTION | US2008167215 |
| DESCRIPTION | US2008293610 |
| DESCRIPTION | US2014315775 |
| DESCRIPTION | US3933672 |
| DESCRIPTION | US4136045 |
| DESCRIPTION | US4765916 |
| DESCRIPTION | US4972017 |
| DESCRIPTION | US6426229 |
| DESCRIPTION | US7153818 |
| DESCRIPTION | WO0208380 |
| DESCRIPTION | WO02102955 |
| DESCRIPTION | WO2004111178 |
| DESCRIPTION | WO2006002643 |
| DESCRIPTION | WO2007044993 |
| DESCRIPTION | WO2007051989 |
| DESCRIPTION | WO2007052004 |
| DESCRIPTION | WO2007083141 |
| DESCRIPTION | WO2008053191 |
| DESCRIPTION | WO2009058661 |
| DESCRIPTION | WO2014071410 |
| DESCRIPTION | WO9529982 |
| DESCRIPTION | WO9700324 |
| EXAMINATION | EP1948770 |
| OPPOSITION | EP3034589 |
| OPPOSITION | US2010249008 |
| OPPOSITION | WO2005090541 |
| OPPOSITION | WO2007052064 |
| OPPOSITION | WO2009037013 |
| OPPOSITION | WO2015197533 |
| OPPOSITION | WO9407981 |
| SEARCH | EP1948770 |
| SEARCH | EP2333040 |
| SEARCH | EP2333042 |
| SEARCH | US2010249008 |
| SEARCH | US2012129750 |
| SEARCH | WO2012003316 |
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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Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Oct 9, 2025
(Electronic) Receipt
Appeal
Oct 9, 2025
Sep 11, 2025
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Jun 9, 2025
(Electronic) Receipt
Appeal
Jun 9, 2025
Jun 9, 2025
Reply to appeal
Appeal
Mar 3, 2025
Feb 25, 2025
Feb 25, 2025
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Feb 14, 2025
(Electronic) Receipt
Appeal
Feb 14, 2025
Feb 14, 2025
Feb 13, 2025
(Electronic) Receipt
Appeal
Feb 13, 2025
Feb 13, 2025
Feb 13, 2025
Dec 17, 2024
Dec 17, 2024
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Dec 11, 2024
(Electronic) Receipt
Appeal
Dec 11, 2024
Notice of appeal
Appeal
Dec 11, 2024
Notice of appeal
Appeal
Dec 5, 2024
Dec 5, 2024
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Dec 2, 2024
(Electronic) Receipt
Appeal
Dec 2, 2024
Dec 2, 2024
Notice of appeal
Appeal
Nov 13, 2024
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OPPO
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Mar 22, 2022
Feb 10, 2022
Decision to grant a European patent
Search/Exam
Jan 31, 2022
(Electronic) Receipt
Search/Exam
Jan 31, 2022
French translation of claims
Search/Exam
Jan 31, 2022
German translation of the claims
Search/Exam
Jan 31, 2022
Letter accompanying subsequently filed items
Search/Exam
Oct 8, 2021
Oct 8, 2021
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Intention to grant (signatures)
Search/Exam
Oct 8, 2021
Text intended for grant (clean copy)
Search/Exam
Oct 8, 2021
Jan 21, 2021
Nov 19, 2020
Jul 9, 2020
Document concerning representation
Search/Exam
Apr 1, 2020
Document concerning representation
Search/Exam
Jun 6, 2019
(Electronic) Receipt
Search/Exam
Jun 6, 2019
Amended claims with annotations
Search/Exam
Jun 6, 2019
Amended description with annotations
Search/Exam
Jun 6, 2019
Claims
Search/Exam
Jun 6, 2019
Description
Search/Exam
Jun 6, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 6, 2019
Apr 4, 2019
Annex to the communication
Search/Exam
Apr 4, 2019
Communication from the Examining Division
Search/Exam
Mar 27, 2019
Examination started
Search/Exam
Jun 20, 2018
(Electronic) Receipt
Search/Exam
Jun 20, 2018
Jun 20, 2018
Amended claims with annotations
Search/Exam
Jun 20, 2018
Amendments received before examination
Search/Exam
Jun 20, 2018
Letter accompanying subsequently filed items
Search/Exam
May 10, 2018
Submission concerning representation
Search/Exam
Mar 21, 2018
Mar 15, 2018
Jan 2, 2018
Nov 22, 2017
Notification of forthcoming publication
Search/Exam
Jun 12, 2017
(Electronic) Receipt
Search/Exam
Dec 22, 2016
Dec 22, 2016
European search opinion
Search/Exam
Dec 22, 2016
European search report
Search/Exam
Dec 22, 2016
Information on Search Strategy
Search/Exam
Dec 7, 2016
Search started
Search/Exam
Aug 10, 2016
Communication to designated inventor
Search/Exam
Aug 10, 2016
Communication to designated inventor
Search/Exam
Aug 10, 2016
Communication to designated inventor
Search/Exam
Aug 10, 2016
Communication to designated inventor
Search/Exam
Aug 10, 2016
Communication to designated inventor
Search/Exam
Jun 17, 2016
Abstract
Search/Exam
Jun 17, 2016
Jun 17, 2016
Claims
Search/Exam
Jun 17, 2016
Description
Search/Exam
Jun 17, 2016
Designation of inventor
Search/Exam
Jun 17, 2016
Request for grant of a European patent
Search/Exam