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Hair Care Composition - EP4271351

The patent EP4271351 was granted to Unilever on Jul 24, 2024. The application was originally filed on Dec 21, 2021 under application number EP21840038A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4271351

UNILEVER
Application Number
EP21840038A
Filing Date
Dec 21, 2021
Status
Granted And Under Opposition
Jun 20, 2024
Publication Date
Jul 24, 2024
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

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.

CompanyOpposition DateRepresentativeOpposition Status

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THE PROCTER & GAMBLEApr 23, 2025P&G PATENT GERMANYADMISSIBLE

Patent Citations (11) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONUS3958581
DESCRIPTIONUS3962418
DESCRIPTIONWO2013011122
DESCRIPTIONWO9631188
INTERNATIONAL-SEARCH-REPORTWO2021013476
OPPOSITIONCA2850025
OPPOSITIONUS2003176303
OPPOSITIONUS2020337980
OPPOSITIONWO2013011122
OPPOSITIONWO2013050241
OPPOSITIONWO2020144125

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.

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    Description

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