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Disposable Diaper - EP3318229

The patent EP3318229 was granted to Unicharm on Sep 23, 2020. The application was filed on May 13, 2016 under application number EP16817570A. The patent is currently recorded with a legal status of "Revoked".

EP3318229

UNICHARM
Application Number
EP16817570A
Filing Date
May 13, 2016
Status
Revoked
Jun 2, 2025
Publication Date
Sep 23, 2020
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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
THE PROCTER & GAMBLEJun 22, 2021ELKINGTON AND FIFEADMISSIBLE
ESSITY HYGIENE AND HEALTH AKTIEBOLAGJun 21, 2021HOFFMANN EITLEADMISSIBLE

Patent Citations (17) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTJP2002522117
INTERNATIONAL-SEARCH-REPORTJP2004105697
INTERNATIONAL-SEARCH-REPORTJP2007020658
INTERNATIONAL-SEARCH-REPORTJP2007061462
INTERNATIONAL-SEARCH-REPORTJP2013048787
INTERNATIONAL-SEARCH-REPORTJPH11290377
OPPOSITIONEP1767176
OPPOSITIONEP1902694
OPPOSITIONJP2007097920
OPPOSITIONJPH10277092
OPPOSITIONUS2001003153
OPPOSITIONUS6248097
OPPOSITIONUS7435243
OPPOSITIONUS8313792
OPPOSITIONWO0007534
SEARCHUS2011196327
SEARCHUS6248097

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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