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The patent EP3440167 was granted to Unilever on Dec 4, 2024. The application was filed on Mar 10, 2017 under application number EP17709700A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 | Jul 11, 2022 | - | ADMISSIBLE |
| BEIERSDORF | Jul 7, 2022 | BEIERSDORF | ADMISSIBLE |
| THE PROCTER & GAMBLE | Jul 6, 2022 | P&G PATENT BELGIUM UK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CN102154060 |
| INTERNATIONAL-SEARCH-REPORT | CN105296208 |
| INTERNATIONAL-SEARCH-REPORT | US2004033912 |
| INTERNATIONAL-SEARCH-REPORT | WO2007014152 |
| INTERNATIONAL-SEARCH-REPORT | WO2011036048 |
| INTERNATIONAL-SEARCH-REPORT | WO2012012385 |
| INTERNATIONAL-SEARCH-REPORT | WO2015032885 |
| INTERNATIONAL-SEARCH-REPORT | WO2015161860 |
| OPPOSITION | DE102010041596 |
| OPPOSITION | DE2432231 |
| OPPOSITION | EP0965326 |
| OPPOSITION | US4515705 |
| OPPOSITION | WO2007014152 |
| OPPOSITION | WO2013142654 |
| OPPOSITION | WO2014176392 |
| OPPOSITION | WO2016041649 |
| OPPOSITION | WO9731094 |
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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Document concerning representation
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General authorisation
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Jan 9, 2023
Letter accompanying subsequently filed items
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Decision to grant a European patent
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Aug 27, 2021
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Letter accompanying subsequently filed items
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Aug 5, 2021
Letter to the Legal Division
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Jun 29, 2021
Communication from the Legal Division
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Annex
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Annex
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Letter accompanying subsequently filed items
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Letter to the Legal Division
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May 31, 2021
Annex
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May 31, 2021
Cover sheet for fax transmission
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May 28, 2021
Annex
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May 28, 2021
Cover sheet for fax transmission
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May 28, 2021
Letter to the Legal Division
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Apr 29, 2021
(Electronic) Receipt
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Apr 29, 2021
Filing of the translations of the claims
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Apr 29, 2021
French translation of claims
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Apr 29, 2021
German translation of the claims
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Mar 31, 2021
Communication from the Legal Division
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Mar 24, 2021
Annexes in respect of a client data request
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Mar 24, 2021
Letter accompanying subsequently filed items
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Annexes in respect of a client data request
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Annexes in respect of a client data request
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Annexes in respect of a client data request
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Letter accompanying subsequently filed items
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Annexes in respect of a client data request
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Letter accompanying subsequently filed items
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Communication from the Legal Division
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Annexes in respect of a client data request
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Annexes in respect of a client data request
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Annexes in respect of a client data request
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Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Letter accompanying subsequently filed items
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Feb 1, 2021
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Intention to grant (signatures)
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Jan 21, 2021
Text intended for grant (clean copy)
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Jan 21, 2021
Dec 9, 2020
Examination started
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Oct 1, 2020
Document concerning representation
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Aug 10, 2020
Jul 27, 2020
(Electronic) Receipt
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Jul 27, 2020
Letter accompanying subsequently filed items
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Jul 27, 2020
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May 23, 2019
(Electronic) Receipt
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May 23, 2019
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Amendments received before examination
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May 23, 2019
Letter accompanying subsequently filed items
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Jan 16, 2019
Nov 13, 2018
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Communication to designated inventor
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Nov 9, 2018
Communication to designated inventor
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Nov 6, 2018
Priority search results copy provided by EPO
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Oct 24, 2018
Sep 5, 2018
(Electronic) Receipt
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Sep 5, 2018
Request for entry into the European phase
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Aug 20, 2018
Information on entry into European phase
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Oct 30, 2017
Oct 12, 2017
Copy of the international search report
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Oct 12, 2017
Published international application - A1
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Jun 15, 2017
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Mar 10, 2017
(Electronic) Receipt
PCTRO
Mar 10, 2017
Abstract
PCTRO
Mar 10, 2017
Claims
PCTRO
Mar 10, 2017
Description
PCTRO
Mar 10, 2017