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The patent EP4048087 was granted to Unilever on Jun 7, 2023. The application was filed on Oct 20, 2020 under application number EP20790025A. 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 |
|---|---|
| EXAMINATION | US2020060310 |
| INTERNATIONAL-SEARCH-REPORT | US2005008758 |
| INTERNATIONAL-SEARCH-REPORT | US2015056346 |
| INTERNATIONAL-SEARCH-REPORT | WO2017153930 |
| INTERNATIONAL-SEARCH-REPORT | WO2019120982 |
| OPPOSITION | EP1493337 |
| OPPOSITION | WO2017070303 |
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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Authorisation
OPPO
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Authorisation
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Authorisation
OPPO
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Annexes in respect of a client data request
Search/Exam
Aug 6, 2025
Letter accompanying subsequently filed items
Search/Exam
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Decision to grant a European patent
Search/Exam
Jan 9, 2023
(Electronic) Receipt
Search/Exam
Jan 9, 2023
Document concerning representation
Search/Exam
Jan 9, 2023
Filing of the translations of the claims
Search/Exam
Jan 9, 2023
French translation of claims
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Jan 9, 2023
General authorisation
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Jan 9, 2023
German translation of the claims
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Jan 9, 2023
Letter accompanying subsequently filed items
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Jan 9, 2023
Sep 8, 2022
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Intention to grant (signatures)
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Sep 8, 2022
Text intended for grant (clean copy)
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Sep 8, 2022
Aug 25, 2022
Examination started
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Aug 3, 2022
May 24, 2022
Priority search results copy provided by EPO
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May 24, 2022
Priority search results copy provided by EPO
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May 24, 2022
Priority search results copy provided by EPO
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May 9, 2022
Mar 17, 2022
Information regarding early processing
Search/Exam
Mar 10, 2022
(Electronic) Receipt
Search/Exam
Mar 10, 2022
Request for entry into the European phase
Search/Exam
Mar 4, 2022
Information on entry into European phase
Search/Exam
May 17, 2021
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Apr 29, 2021
Copy of the international search report
Search/Exam
Apr 29, 2021
Published international application - A1
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Dec 7, 2020
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Oct 27, 2020
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(Electronic) Receipt
PCTRO
Oct 20, 2020
Abstract
PCTRO
Oct 20, 2020
Claims
PCTRO
Oct 20, 2020
Description
PCTRO
Oct 20, 2020
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Oct 20, 2020