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The patent EP3759206 was granted to Unilever on Apr 3, 2024. The application was filed on Feb 19, 2019 under application number EP19705530A. 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 |
|---|---|---|---|
| THE PROCTER & GAMBLE | Dec 27, 2024 | 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 |
|---|---|
| DESCRIPTION | EP0219048 |
| DESCRIPTION | US2013200290 |
| DESCRIPTION | US3893929 |
| DESCRIPTION | US3959230 |
| DESCRIPTION | US4702857 |
| DESCRIPTION | US4711730 |
| DESCRIPTION | US4721580 |
| DESCRIPTION | US4877896 |
| DESCRIPTION | US4968451 |
| EXAMINATION | EP2135931 |
| EXAMINATION | US2016060571 |
| EXAMINATION | WO2014079621 |
| EXAMINATION | WO9909133 |
| INTERNATIONAL-SEARCH-REPORT | EP2135931 |
| INTERNATIONAL-SEARCH-REPORT | US2006030513 |
| INTERNATIONAL-SEARCH-REPORT | US2016060571 |
| INTERNATIONAL-SEARCH-REPORT | WO2014079621 |
| INTERNATIONAL-SEARCH-REPORT | WO2015078692 |
| INTERNATIONAL-SEARCH-REPORT | WO9909133 |
| OPPOSITION | US2016060571 |
| OPPOSITION | WO0105874 |
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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Oct 6, 2025
Oct 6, 2025
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Aug 26, 2025
Aug 6, 2025
Annexes in respect of a client data request
Search/Exam
Aug 6, 2025
Letter accompanying subsequently filed items
Search/Exam
Aug 6, 2025
May 21, 2025
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Jan 8, 2025
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Apr 16, 2024
Mar 7, 2024
Decision to grant a European patent
Search/Exam
Jan 25, 2024
(Electronic) Receipt
Search/Exam
Jan 25, 2024
French translation of claims
Search/Exam
Jan 25, 2024
German translation of the claims
Search/Exam
Jan 25, 2024
Letter accompanying subsequently filed items
Search/Exam
Sep 29, 2023
Sep 29, 2023
Sep 29, 2023
Sep 29, 2023
Intention to grant (signatures)
Search/Exam
Sep 29, 2023
Text intended for grant (clean copy)
Search/Exam
Sep 29, 2023
Sep 7, 2023
Annex to the communication
Search/Exam
Sep 7, 2023
Consultation by telephone/in person
Search/Exam
Sep 7, 2023
Sep 5, 2023
(Electronic) Receipt
Search/Exam
Sep 5, 2023
Amended claims with annotations
Search/Exam
Sep 5, 2023
Claims
Search/Exam
Sep 5, 2023
Letter accompanying subsequently filed items
Search/Exam
Sep 5, 2023
May 25, 2023
May 25, 2023
Mar 30, 2023
(Electronic) Receipt
Search/Exam
Mar 30, 2023
Amended description with annotations
Search/Exam
Mar 30, 2023
Description
Search/Exam
Mar 30, 2023
Letter accompanying subsequently filed items
Search/Exam
Mar 30, 2023
Mar 3, 2023
Refund of fees
Search/Exam
Jan 9, 2023
Document concerning representation
Search/Exam
Jan 9, 2023
General authorisation
Search/Exam
Jan 9, 2023
Letter accompanying subsequently filed items
Search/Exam
Dec 1, 2022
Annex to the communication
Search/Exam
Dec 1, 2022
Communication from the Examining Division
Search/Exam
Jan 24, 2022
Sep 2, 2021
(Electronic) Receipt
Search/Exam
Sep 2, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 2, 2021
Aug 30, 2021
Aug 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 5, 2021
Letter to the Legal Division
Search/Exam
Jun 29, 2021
Communication from the Legal Division
Search/Exam
Jun 1, 2021
Annex
Search/Exam
Jun 1, 2021
Annex
Search/Exam
Jun 1, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 1, 2021
Letter to the Legal Division
Search/Exam
May 31, 2021
Annex
Search/Exam
May 31, 2021
Cover sheet for fax transmission
Search/Exam
May 28, 2021
Annex
Search/Exam
May 28, 2021
Cover sheet for fax transmission
Search/Exam
May 28, 2021
Letter to the Legal Division
Search/Exam
May 11, 2021
Annex to the communication
Search/Exam
May 11, 2021
Communication from the Examining Division
Search/Exam
Apr 30, 2021
Examination started
Search/Exam
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 10, 2021
Mar 5, 2021
Annexes in respect of a client data request
Search/Exam
Mar 5, 2021
Annexes in respect of a client data request
Search/Exam
Mar 5, 2021
Annexes in respect of a client data request
Search/Exam
Mar 5, 2021
Annexes in respect of a client data request
Search/Exam
Mar 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 5, 2021
Mar 5, 2021
Mar 5, 2021
Mar 5, 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
Letter accompanying subsequently filed items
Search/Exam
Feb 1, 2021
Dec 14, 2020
Dec 9, 2020
Dec 4, 2020
Oct 30, 2020
Priority search results copy provided by EPO
Search/Exam
Oct 7, 2020
Communication to designated inventor
Search/Exam
Sep 7, 2020
Aug 19, 2020
(Electronic) Receipt
Search/Exam
Aug 19, 2020
Request for entry into the European phase
Search/Exam
Jul 10, 2020
Information on entry into European phase
Search/Exam
Feb 11, 2020
Feb 11, 2020
Feb 11, 2020
Feb 11, 2020
Jan 29, 2020
Notification of election of EPO
Search/Exam
Jan 14, 2020
Jan 7, 2020
Dec 19, 2019
Dec 19, 2019
PCT demand form
PCT2
Dec 19, 2019
Dec 19, 2019
Dec 19, 2019
Dec 19, 2019
Sep 23, 2019
Sep 6, 2019
Copy of the international search report
Search/Exam
Sep 6, 2019
Published international application - A1
Search/Exam
May 23, 2019
ISR: cited documents
PCTISA
May 23, 2019
May 23, 2019
May 23, 2019
Apr 23, 2019
Apr 23, 2019
Mar 5, 2019
Mar 4, 2019
Feb 27, 2019
Feb 19, 2019
(Electronic) Receipt
PCTRO
Feb 19, 2019
Abstract
PCTRO
Feb 19, 2019
Claims
PCTRO
Feb 19, 2019
Description
PCTRO
Feb 19, 2019
Feb 19, 2019
Feb 19, 2019
Feb 19, 2019