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The patent EP3930484 was granted to Unilever on Jun 7, 2023. The application was filed on Jan 31, 2020 under application number EP20702031A. 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 |
|---|---|---|---|
| COOPERATIE KONINKLIJKE AVEBE UA | Mar 7, 2024 | VO | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2008118607 |
| DESCRIPTION | US2011144006 |
| DESCRIPTION | US2011305798 |
| DESCRIPTION | US2017042209 |
| DESCRIPTION | US2017196243 |
| INTERNATIONAL-SEARCH-REPORT | WO2004049819 |
| INTERNATIONAL-SEARCH-REPORT | WO2009082229 |
| INTERNATIONAL-SEARCH-REPORT | WO2015187817 |
| INTERNATIONAL-SEARCH-REPORT | WO2017153931 |
| INTERNATIONAL-SEARCH-REPORT | WO2017171601 |
| INTERNATIONAL-SEARCH-REPORT | WO2018177717 |
| OPPOSITION | US2002142086 |
| OPPOSITION | WO2008069650 |
| OPPOSITION | WO2017070303 |
| OTHER | US2011144006 |
| OTHER | US2017196243 |
| OTHER | WO2009082229 |
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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Jan 12, 2026
Jan 12, 2026
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Authorisation
OPPO
Jan 7, 2026
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Authorisation
OPPO
Dec 28, 2025
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OPPO
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Jun 20, 2023
May 11, 2023
Decision to grant a European patent
Search/Exam
Mar 22, 2023
(Electronic) Receipt
Search/Exam
Mar 22, 2023
French translation of claims
Search/Exam
Mar 22, 2023
German translation of the claims
Search/Exam
Mar 22, 2023
Letter accompanying subsequently filed items
Search/Exam
Mar 22, 2023
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
Nov 28, 2022
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Nov 28, 2022
Intention to grant (signatures)
Search/Exam
Nov 28, 2022
Text intended for grant (clean copy)
Search/Exam
Nov 28, 2022
Sep 2, 2022
(Electronic) Receipt
Search/Exam
Sep 2, 2022
Amended claims with annotations
Search/Exam
Sep 2, 2022
Amended description with annotations
Search/Exam
Sep 2, 2022
Claims
Search/Exam
Sep 2, 2022
Description
Search/Exam
Sep 2, 2022
Letter accompanying subsequently filed items
Search/Exam
Sep 2, 2022
Jun 20, 2022
Jun 14, 2022
(Electronic) Receipt
Search/Exam
Jun 14, 2022
Letter accompanying subsequently filed items
Search/Exam
Jun 14, 2022
Apr 25, 2022
Apr 19, 2022
(Electronic) Receipt
Search/Exam
Apr 19, 2022
Letter accompanying subsequently filed items
Search/Exam
Apr 19, 2022
Feb 23, 2022
Annex to the communication
Search/Exam
Feb 23, 2022
Communication from the Examining Division
Search/Exam
Feb 18, 2022
Examination started
Search/Exam
Dec 8, 2021
Sep 28, 2021
Priority search results copy provided by EPO
Search/Exam
Aug 30, 2021
Aug 30, 2021
Aug 30, 2021
Aug 4, 2021
(Electronic) Receipt
Search/Exam
Aug 4, 2021
Request for entry into the European phase
Search/Exam
Jul 30, 2021
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Jul 9, 2021
Information on entry into European phase
Search/Exam
Jul 1, 2021
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Written opinion
PCT2
Jun 1, 2021
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May 26, 2021
Apr 9, 2021
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Written opinion
PCT2
Feb 9, 2021
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Feb 4, 2021
Notification of election of EPO
Search/Exam
Jan 22, 2021
Jan 14, 2021
Dec 22, 2020
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PCT demand form
PCT2
Dec 22, 2020
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Dec 7, 2020
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Notification of the recording of a change
Search/Exam
Dec 7, 2020
Notification of the recording of a change
Search/Exam
Sep 21, 2020
Sep 3, 2020
Copy of the international search report
Search/Exam
Sep 3, 2020
Published international application - A1
Search/Exam
Jun 18, 2020
Feb 7, 2020
Jan 31, 2020
(Electronic) Receipt
PCTRO
Jan 31, 2020
Abstract
PCTRO
Jan 31, 2020
Claims
PCTRO
Jan 31, 2020
Description
PCTRO
Jan 31, 2020
Jan 31, 2020
Jan 31, 2020