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The patent EP3283044 was granted to The Procter & Gamble on Nov 10, 2021. The application was filed on Apr 13, 2016 under application number EP16716811A. 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 |
|---|---|---|---|
| UNILEVER UNILEVER | Aug 10, 2022 | OATES | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2009220443 |
| DESCRIPTION | US2011240065 |
| DESCRIPTION | US2011243871 |
| DESCRIPTION | US2011243874 |
| DESCRIPTION | US2011243875 |
| DESCRIPTION | US2011243876 |
| DESCRIPTION | US2011243878 |
| DESCRIPTION | US2014030206 |
| DESCRIPTION | US34584 |
| DESCRIPTION | US4197865 |
| DESCRIPTION | US4217914 |
| DESCRIPTION | US4381919 |
| DESCRIPTION | US4422853 |
| DESCRIPTION | US4507280 |
| DESCRIPTION | US4529586 |
| DESCRIPTION | US4663158 |
| DESCRIPTION | US5104646 |
| DESCRIPTION | US5106609 |
| DESCRIPTION | US5674478 |
| DESCRIPTION | US5750122 |
| DESCRIPTION | US7867986 |
| DESCRIPTION | WO2014018985 |
| DESCRIPTION | WO2014018986 |
| DESCRIPTION | WO2014018987 |
| DESCRIPTION | WO2014018988 |
| DESCRIPTION | WO2014018989 |
| EXAMINATION | WO2016054167 |
| INTERNATIONAL-SEARCH-REPORT | DE102006034051 |
| INTERNATIONAL-SEARCH-REPORT | DE102007059296 |
| INTERNATIONAL-SEARCH-REPORT | US6174845 |
| INTERNATIONAL-SEARCH-REPORT | WO9208444 |
| INTERNATIONAL-SEARCH-REPORT | WO9749381 |
| INTERNATIONAL-SEARCH-REPORT | WO9924546 |
| OPPOSITION | DE102007059296 |
| OPPOSITION | EP1746153 |
| OPPOSITION | US4652392 |
| OPPOSITION | WO2007017801 |
| OPPOSITION | WO2008009521 |
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 23, 2025
(Electronic) Receipt
Appeal
Dec 23, 2025
Dec 23, 2025
Withdrawal of an appeal
Appeal
Sep 30, 2025
Sep 30, 2025
Jul 2, 2025
Jun 25, 2025
Jun 19, 2025
(Electronic) Receipt
Appeal
Jun 19, 2025
Jun 19, 2025
May 12, 2025
May 9, 2025
(Electronic) Receipt
Appeal
May 9, 2025
May 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 4, 2025
Feb 25, 2025
Feb 25, 2025
Feb 24, 2025
Feb 20, 2025
Dec 5, 2024
Dec 2, 2024
(Electronic) Receipt
Appeal
Dec 2, 2024
Dec 2, 2024
Reply to appeal
Appeal
Aug 2, 2024
Jul 29, 2024
(Electronic) Receipt
Appeal
Jul 29, 2024
Jul 29, 2024
Jun 3, 2024
Jun 3, 2024
May 23, 2024
(Electronic) Receipt
Appeal
May 23, 2024
Notice of appeal
Appeal
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
Mar 27, 2024
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Mar 27, 2024
Means of redress
OPPO
Mar 27, 2024
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Nov 23, 2021
Oct 14, 2021
Decision to grant a European patent
Search/Exam
Sep 29, 2021
(Electronic) Receipt
Search/Exam
Sep 29, 2021
French translation of claims
Search/Exam
Sep 29, 2021
German translation of the claims
Search/Exam
Sep 29, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 30, 2021
May 25, 2021
May 25, 2021
May 25, 2021
Intention to grant (signatures)
Search/Exam
May 25, 2021
Text intended for grant (clean copy)
Search/Exam
May 25, 2021
Mar 15, 2021
(Electronic) Receipt
Search/Exam
Mar 15, 2021
Claims
Search/Exam
Mar 15, 2021
Description
Search/Exam
Mar 15, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 15, 2021
Jan 21, 2021
Document concerning representation
Search/Exam
Nov 5, 2020
Nov 5, 2020
Nov 5, 2020
Intention to grant (signatures)
Search/Exam
Nov 5, 2020
Text intended for grant (clean copy)
Search/Exam
Nov 5, 2020
Mar 1, 2019
(Electronic) Receipt
Search/Exam
Mar 1, 2019
Amended claims with annotations
Search/Exam
Mar 1, 2019
Claims
Search/Exam
Mar 1, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 1, 2019
Oct 23, 2018
Annex to the communication
Search/Exam
Oct 23, 2018
Communication from the Examining Division
Search/Exam
Oct 15, 2018
Examination started
Search/Exam
Jun 13, 2018
Refund of fees
Search/Exam
Jun 4, 2018
(Electronic) Receipt
Search/Exam
Jun 4, 2018
Jun 4, 2018
Amended claims with annotations
Search/Exam
Jun 4, 2018
Amendments received before examination
Search/Exam
Jun 4, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 24, 2018
Nov 24, 2017
Nov 17, 2017
Communication to designated inventor
Search/Exam
Nov 17, 2017
Communication to designated inventor
Search/Exam
Nov 17, 2017
Communication to designated inventor
Search/Exam
Nov 17, 2017
Communication to designated inventor
Search/Exam
Nov 17, 2017
Communication to designated inventor
Search/Exam
Nov 17, 2017
Communication to designated inventor
Search/Exam
Nov 17, 2017
Communication to designated inventor
Search/Exam
Nov 17, 2017
Communication to designated inventor
Search/Exam
Nov 17, 2017
Communication to designated inventor
Search/Exam
Nov 17, 2017
Communication to designated inventor
Search/Exam
Oct 31, 2017
Oct 12, 2017
(Electronic) Receipt
Search/Exam
Oct 12, 2017
Request for entry into the European phase
Search/Exam
Aug 25, 2017
Information on entry into European phase
Search/Exam
Nov 7, 2016
Oct 20, 2016
Copy of the international search report
Search/Exam
Oct 20, 2016
Published international application - A1
Search/Exam
Jun 10, 2016
ISR: cited documents
PCTISA
Jun 9, 2016
Jun 9, 2016
Jun 9, 2016
Apr 29, 2016
Apr 18, 2016
Abstract
PCTISA
Apr 18, 2016
Annex
PCTISA
Apr 18, 2016
Claims
PCTISA
Apr 18, 2016
Description
PCTISA
Apr 18, 2016
Drawings
PCTISA
Apr 18, 2016
Apr 18, 2016
Apr 18, 2016
Apr 18, 2016
Apr 18, 2016