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The patent EP4294637 was granted to Unilever on Sep 25, 2024. The application was filed on Feb 16, 2022 under application number EP22707073A. 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 | Jun 24, 2025 | MATHYS & SQUIRE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE3727761 |
| INTERNATIONAL-SEARCH-REPORT | KR20120041187 |
| INTERNATIONAL-SEARCH-REPORT | US2007014993 |
| INTERNATIONAL-SEARCH-REPORT | US2010323134 |
| INTERNATIONAL-SEARCH-REPORT | WO2018000411 |
| OPPOSITION | JP2001098300 |
| OPPOSITION | JP2009154915 |
| OPPOSITION | US2005272624 |
| OPPOSITION | US2018370202 |
| OPPOSITION | US2021229409 |
| OPPOSITION | WO9734987 |
| OPPOSITION | WO9738849 |
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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Decision to grant a European patent
Search/Exam
Aug 20, 2024
(Electronic) Receipt
Search/Exam
Aug 20, 2024
Letter accompanying subsequently filed items
Search/Exam
Jul 23, 2024
(Electronic) Receipt
Search/Exam
Jul 23, 2024
French translation of claims
Search/Exam
Jul 23, 2024
German translation of the claims
Search/Exam
Jul 23, 2024
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
Apr 26, 2024
Text intended for grant (clean copy)
Search/Exam
Apr 26, 2024
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Examination started
Search/Exam
Mar 14, 2024
Decision to allow further processing
Search/Exam
Mar 5, 2024
(Electronic) Receipt
Search/Exam
Mar 5, 2024
Letter accompanying subsequently filed items
Search/Exam
Mar 5, 2024
Request for further processing
Search/Exam
Mar 5, 2024
Feb 27, 2024
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Priority search results copy provided by EPO
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Aug 28, 2023
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Aug 11, 2023
Information regarding early processing
Search/Exam
Aug 7, 2023
(Electronic) Receipt
Search/Exam
Aug 7, 2023
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Request for entry into the European phase
Search/Exam
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Notification of the recording of a change
Search/Exam
Jun 30, 2023
Information on entry into European phase
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Written opinion
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Notification of election of EPO
Search/Exam
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PCT demand form
PCT2
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Copy of the international search report
Search/Exam
Aug 25, 2022
Published international application - A1
Search/Exam
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ISR: cited documents
PCTISA
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(Electronic) Receipt
PCTRO
Feb 16, 2022
Abstract
PCTRO
Feb 16, 2022
Claims
PCTRO
Feb 16, 2022
Description
PCTRO
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