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The patent EP4392533 was granted to Unilever on Feb 26, 2025. The application was filed on Aug 23, 2022 under application number EP22768744A. 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 |
|---|---|---|---|
| MONOSOL | Nov 26, 2025 | MAI BESIER | ADMISSIBLE |
| HENKEL | Nov 25, 2025 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP0892744 |
| INTERNATIONAL-SEARCH-REPORT | EP0892744 |
| INTERNATIONAL-SEARCH-REPORT | US2017067000 |
| INTERNATIONAL-SEARCH-REPORT | US2021230513 |
| INTERNATIONAL-SEARCH-REPORT | US7807194 |
| OPPOSITION | CA2312157 |
| OPPOSITION | EP1256622 |
| OPPOSITION | US10619042 |
| OPPOSITION | US10870820 |
| OPPOSITION | US12018145 |
| OPPOSITION | US2003069155 |
| OPPOSITION | US2004186035 |
| OPPOSITION | US2005003982 |
| OPPOSITION | US2011287204 |
| OPPOSITION | US2015252305 |
| OPPOSITION | US2017067000 |
| OPPOSITION | US2019031982 |
| OPPOSITION | US8905236 |
| OPPOSITION | US9457944 |
| OPPOSITION | US9988595 |
| OPPOSITION | WO0055068 |
| OPPOSITION | WO0179417 |
| OPPOSITION | WO0242408 |
| OPPOSITION | WO2004085586 |
| OPPOSITION | WO2006059180 |
| OPPOSITION | WO2017025256 |
| OPPOSITION | WO2017040558 |
| OPPOSITION | WO2017137225 |
| OPPOSITION | WO2017180870 |
| OPPOSITION | WO2020263977 |
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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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
Mar 11, 2025
Jan 30, 2025
Decision to grant a European patent
Search/Exam
Jan 16, 2025
(Electronic) Receipt
Search/Exam
Jan 16, 2025
Filing of the translations of the claims
Search/Exam
Jan 16, 2025
French translation of claims
Search/Exam
Jan 16, 2025
German translation of the claims
Search/Exam
Nov 4, 2024
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Intention to grant (signatures)
Search/Exam
Nov 4, 2024
Text intended for grant (clean copy)
Search/Exam
Nov 4, 2024
Sep 18, 2024
Examination started
Search/Exam
Jun 5, 2024
Mar 27, 2024
Priority search results copy provided by EPO
Search/Exam
Mar 4, 2024
Mar 4, 2024
Feb 2, 2024
Information regarding early processing
Search/Exam
Jan 24, 2024
(Electronic) Receipt
Search/Exam
Jan 24, 2024
Request for entry into the European phase
Search/Exam
Nov 21, 2023
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Annex
PCT2
Oct 2, 2023
Aug 10, 2023
Notification of election of EPO
Search/Exam
Aug 8, 2023
Jul 31, 2023
Written opinion
PCT2
Jul 31, 2023
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Jun 30, 2023
Jun 26, 2023
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Annex
PCT2
Jun 26, 2023
Jun 26, 2023
PCT demand form
PCT2
Jun 26, 2023
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Mar 2, 2023
Copy of the international search report
Search/Exam
Mar 2, 2023
Published international application - A1
Search/Exam
Oct 21, 2022
Sep 22, 2022
Aug 23, 2022
(Electronic) Receipt
PCTRO
Aug 23, 2022
Abstract
PCTRO
Aug 23, 2022
Claims
PCTRO
Aug 23, 2022
Description
PCTRO
Aug 23, 2022
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