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The patent EP3221438 was granted to Unilever on Jan 2, 2019. The application was filed on Nov 6, 2015 under application number EP15790968A. 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 | Oct 2, 2019 | GILL JENNINGS & EVERY | ADMISSIBLE |
| HENKEL | Sep 24, 2019 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP1561803 |
| INTERNATIONAL-SEARCH-REPORT | US2009042766 |
| INTERNATIONAL-SEARCH-REPORT | WO2006132872 |
| INTERNATIONAL-SEARCH-REPORT | WO2008009521 |
| OPPOSITION | DE102006034051 |
| OPPOSITION | US2013267454 |
| OPPOSITION | WO2005090538 |
| OPPOSITION | WO2014079621 |
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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Nov 24, 2023
Nov 23, 2023
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Nov 23, 2023
Nov 6, 2023
Nov 6, 2023
Nov 6, 2023
Nov 6, 2023
Oct 24, 2023
Oct 24, 2023
Oct 23, 2023
(Electronic) Receipt
Appeal
Oct 23, 2023
(Electronic) Receipt
Appeal
Oct 23, 2023
Oct 23, 2023
Oct 23, 2023
Oct 23, 2023
Oct 23, 2023
Oct 16, 2023
Oct 16, 2023
Oct 11, 2023
(Electronic) Receipt
Appeal
Oct 11, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Oct 3, 2023
Sep 27, 2023
Sep 27, 2023
Sep 27, 2023
Aug 31, 2023
Aug 31, 2023
Aug 29, 2023
(Electronic) Receipt
Appeal
Aug 29, 2023
Aug 29, 2023
May 25, 2023
Apr 4, 2023
Apr 4, 2023
Apr 3, 2023
Apr 3, 2023
Apr 3, 2023
Mar 30, 2023
(Electronic) Receipt
Appeal
Mar 30, 2023
Mar 30, 2023
Mar 23, 2023
Mar 23, 2023
Mar 22, 2023
Mar 22, 2023
Mar 20, 2023
(Electronic) Receipt
Appeal
Mar 20, 2023
Mar 20, 2023
Mar 17, 2023
(Electronic) Receipt
Appeal
Mar 17, 2023
Mar 16, 2023
Mar 15, 2023
Mar 15, 2023
Mar 15, 2023
Mar 10, 2023
Jan 9, 2023
Jan 9, 2023
General authorisation
Appeal
Jan 9, 2023
Oct 26, 2022
Aug 12, 2022
Aug 12, 2022
Aug 8, 2022
(Electronic) Receipt
Appeal
Aug 8, 2022
(Electronic) Receipt
Appeal
Aug 8, 2022
Aug 8, 2022
Aug 8, 2022
Aug 8, 2022
Aug 8, 2022
Jan 24, 2022
Jan 5, 2022
Jan 5, 2022
Dec 22, 2021
(Electronic) Receipt
Appeal
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
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Dec 22, 2021
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Dec 22, 2021
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Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Reply to appeal
Appeal
Aug 30, 2021
Aug 30, 2021
Aug 27, 2021
Aug 20, 2021
Aug 20, 2021
Aug 20, 2021
Aug 20, 2021
Aug 17, 2021
(Electronic) Receipt
Appeal
Aug 17, 2021
Aug 17, 2021
Aug 17, 2021
Aug 5, 2021
Aug 5, 2021
Jun 29, 2021
Jun 4, 2021
Jun 4, 2021
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Jun 1, 2021
Annex
Appeal
Jun 1, 2021
Annex
Appeal
Jun 1, 2021
Jun 1, 2021
May 31, 2021
Annex
Appeal
May 31, 2021
May 28, 2021
Annex
Appeal
May 28, 2021
May 28, 2021
May 27, 2021
(Electronic) Receipt
Appeal
May 27, 2021
Notice of appeal
Appeal
May 21, 2021
May 21, 2021
May 6, 2021
May 6, 2021
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Apr 22, 2021
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Means of redress
OPPO
Apr 7, 2021
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Mar 31, 2021
Communication from the Legal Division
Search/Exam
Mar 24, 2021
Annexes in respect of a client data request
Search/Exam
Mar 24, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 24, 2021
Mar 23, 2021
Annexes in respect of a client data request
Search/Exam
Mar 23, 2021
Annexes in respect of a client data request
Search/Exam
Mar 23, 2021
Annexes in respect of a client data request
Search/Exam
Mar 23, 2021
Annexes in respect of a client data request
Search/Exam
Mar 23, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 23, 2021
Mar 16, 2021
Annexes in respect of a client data request
Search/Exam
Mar 16, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 16, 2021
Mar 12, 2021
Communication from the Legal Division
Search/Exam
Mar 10, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Feb 3, 2021
Feb 1, 2021
Annexes in respect of a client data request
Search/Exam
Feb 1, 2021
Annexes in respect of a client data request
Search/Exam
Feb 1, 2021
Annexes in respect of a client data request
Search/Exam
Feb 1, 2021
Annexes in respect of a client data request
Search/Exam
Feb 1, 2021
Annexes in respect of a client data request
Search/Exam
Feb 1, 2021
Annexes in respect of a client data request
Search/Exam
Feb 1, 2021
Annexes in respect of a client data request
Search/Exam
Feb 1, 2021
Feb 1, 2021
Feb 1, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 1, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
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Jan 27, 2021
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Sep 24, 2019
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Sep 24, 2019
Jan 14, 2019
Dec 6, 2018
Decision to grant a European patent
Search/Exam
Oct 8, 2018
(Electronic) Receipt
Search/Exam
Oct 8, 2018
Filing of the translations of the claims
Search/Exam
Oct 8, 2018
French translation of claims
Search/Exam
Oct 8, 2018
German translation of the claims
Search/Exam
Jul 10, 2018
Jul 10, 2018
Jul 10, 2018
Intention to grant (signatures)
Search/Exam
Jul 10, 2018
Text intended for grant (clean copy)
Search/Exam
Jul 10, 2018
Jun 27, 2018
Examination started
Search/Exam
Feb 6, 2018
Aug 30, 2017
Jun 21, 2017
Communication to designated inventor
Search/Exam
Jun 21, 2017
Communication to designated inventor
Search/Exam
Jun 21, 2017
Communication to designated inventor
Search/Exam
Jun 21, 2017
Communication to designated inventor
Search/Exam
Jun 21, 2017
Communication to designated inventor
Search/Exam
Jun 21, 2017
Communication to designated inventor
Search/Exam
Jun 20, 2017
Priority search results copy provided by EPO
Search/Exam
May 23, 2017
May 23, 2017
May 23, 2017
Reply to Written Opinion prepared by the EPO
Search/Exam
May 11, 2017
(Electronic) Receipt
Search/Exam
May 11, 2017
Request for entry into the European phase
Search/Exam
Mar 31, 2017
Information on entry into European phase
Search/Exam
Feb 17, 2017
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Feb 17, 2017
Dec 7, 2016
Dec 7, 2016
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Dec 7, 2016
Dec 7, 2016
Oct 7, 2016
Written opinion
PCT2
Oct 7, 2016
Oct 7, 2016
Oct 5, 2016
Notification of election of EPO
Search/Exam
Sep 13, 2016
Sep 7, 2016
Sep 7, 2016
Annex
PCT2
Sep 7, 2016
Sep 7, 2016
PCT demand form
PCT2
Sep 7, 2016
Sep 7, 2016
Sep 7, 2016
Jun 14, 2016
May 26, 2016
Copy of the international search report
Search/Exam
May 26, 2016
Published international application - A1
Search/Exam
Feb 4, 2016
Jan 22, 2016
Jan 22, 2016
Jan 22, 2016
Nov 17, 2015
Nov 6, 2015
(Electronic) Receipt
PCTRO
Nov 6, 2015
Abstract
PCTRO
Nov 6, 2015
Claims
PCTRO
Nov 6, 2015
Description
PCTRO
Nov 6, 2015
Nov 6, 2015
Nov 6, 2015