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IP Verse

Wound Dressing - EP4023197

The patent EP4023197 was granted to Smith & Nephew on Mar 29, 2023. The application was filed on Apr 21, 2011 under application number EP21206234A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4023197

SMITH & NEPHEW
Application Number
EP21206234A
Filing Date
Apr 21, 2011
Status
Granted And Under Opposition
Feb 24, 2023
Publication Date
Mar 29, 2023
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (3)

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
PAUL HARTMANNDec 22, 2023DREISS PATENTANWALTE PARTG MBBADMISSIBLE
CONVATECDec 15, 2023D YOUNGADMISSIBLE
MOLNLYCKE HEALTH CARENov 14, 2023WALLINGER RICKER SCHLOTTER TOSTMANNADMISSIBLE

Patent Citations (38) New

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

Citation PhasePublication Number
OPPOSITIONEP0999858
OPPOSITIONEP1448261
OPPOSITIONEP1814609
OPPOSITIONEP2821035
OPPOSITIONGB2307180
OPPOSITIONGB2468905
OPPOSITIONUS2002087136
OPPOSITIONUS2007255194
OPPOSITIONUS2008167593
OPPOSITIONUS2008223378
OPPOSITIONUS2009234307
OPPOSITIONUS2010185163
OPPOSITIONUS2923298
OPPOSITIONWO0134223
OPPOSITIONWO2004060148
OPPOSITIONWO2005123170
OPPOSITIONWO2006048246
OPPOSITIONWO2006052338
OPPOSITIONWO2006087021
OPPOSITIONWO2007015964
OPPOSITIONWO2007085396
OPPOSITIONWO2007113597
OPPOSITIONWO2007118652
OPPOSITIONWO2007133618
OPPOSITIONWO2009019227
OPPOSITIONWO2009060097
OPPOSITIONWO2009066105
OPPOSITIONWO2009066106
OPPOSITIONWO2009111655
OPPOSITIONWO2009145894
OPPOSITIONWO2009147402
OPPOSITIONWO2011135284
OPPOSITIONWO9216245
SEARCHUS2007185426
SEARCHUS2009234307
SEARCHWO03045492
SEARCHWO2009066105
SEARCHWO2009066106

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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