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Use Of An Enzyme And Surfactant For Inhibiting Microorganisms - EP4189051
The patent EP4189051 was granted to Unilever on Feb 28, 2024. The application was filed on Jul 26, 2021 under application number EP21751536A. The patent is currently recorded with a legal status of "Granted And Under Opposition".
EP4189051
- Application Number
- EP21751536A
- Filing Date
- Jul 26, 2021
- Status
- Granted And Under Opposition
- Jan 26, 2024
- Publication Date
- Feb 28, 2024
- External Links
- Slate, Register, Google Patents
Patent Summary
Patent Family
Patent Oppositions
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 | Nov 28, 2024 | GILL JENNINGS & EVERY | ADMISSIBLE |
Patent Citations (138) New
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE3417649 |
| DESCRIPTION | DE3742043 |
| DESCRIPTION | EP0070074 |
| DESCRIPTION | EP0164514 |
| DESCRIPTION | EP0218272 |
| DESCRIPTION | EP0328177 |
| DESCRIPTION | EP0331376 |
| DESCRIPTION | EP0384070 |
| DESCRIPTION | EP0407225 |
| DESCRIPTION | EP1065265 |
| DESCRIPTION | EP1921147 |
| DESCRIPTION | EP1921148 |
| DESCRIPTION | GB1296839 |
| DESCRIPTION | GB1372034 |
| DESCRIPTION | JPS6474992 |
| DESCRIPTION | US2220099 |
| DESCRIPTION | US2477383 |
| DESCRIPTION | US3664961 |
| DESCRIPTION | US3919678 |
| DESCRIPTION | US4222905 |
| DESCRIPTION | US4239659 |
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| DESCRIPTION | US5352604 |
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| DESCRIPTION | WO0023548 |
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| INTERNATIONAL-SEARCH-REPORT | US2019024024 |
| INTERNATIONAL-SEARCH-REPORT | WO2017207770 |
| INTERNATIONAL-SEARCH-REPORT | WO9850512 |
Dossier Documents
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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Annexes in respect of a client data request
Search/Exam
Aug 6, 2025
Letter accompanying subsequently filed items
Search/Exam
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Feb 1, 2024
Decision to grant a European patent
Search/Exam
Jan 23, 2024
(Electronic) Receipt
Search/Exam
Jan 23, 2024
French translation of claims
Search/Exam
Jan 23, 2024
German translation of the claims
Search/Exam
Jan 23, 2024
Letter accompanying subsequently filed items
Search/Exam
Oct 25, 2023
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Oct 25, 2023
Intention to grant (signatures)
Search/Exam
Oct 25, 2023
Text intended for grant (clean copy)
Search/Exam
Oct 25, 2023
Sep 22, 2023
Examination started
Search/Exam
Jul 10, 2023
(Electronic) Receipt
Search/Exam
Jul 10, 2023
Letter accompanying subsequently filed items
Search/Exam
Jul 10, 2023
May 12, 2023
May 10, 2023
Feb 28, 2023
Priority search results copy provided by EPO
Search/Exam
Feb 6, 2023
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Jan 27, 2023
Information regarding early processing
Search/Exam
Jan 18, 2023
(Electronic) Receipt
Search/Exam
Jan 18, 2023
Request for entry into the European phase
Search/Exam
Dec 9, 2022
Information on entry into European phase
Search/Exam
Jul 5, 2022
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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
Feb 3, 2022
Published international application - A1
Search/Exam
Dec 11, 2021
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ISR: cited documents
PCTISA
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(Electronic) Receipt
PCTRO
Oct 26, 2021
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Jul 26, 2021
(Electronic) Receipt
PCTRO
Jul 26, 2021
Abstract
PCTRO
Jul 26, 2021
Claims
PCTRO
Jul 26, 2021
Description
PCTRO
Jul 26, 2021
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