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IP Verse

Pegylated Liposomes For Delivery Of Immunogen-Encoding Rna - EP4226941

The patent EP4226941 was granted to Glaxosmithkline on Oct 23, 2024. The application was originally filed on Aug 31, 2011 under application number EP23179901A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4226941

GLAXOSMITHKLINE
Application Number
EP23179901A
Filing Date
Aug 31, 2011
Status
Granted And Under Opposition
Sep 20, 2024
Publication Date
Oct 23, 2024
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (5)

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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ARROWHOUSEJul 23, 2025VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBBADMISSIBLE
BIONTECHJul 22, 2025THOMANNADMISSIBLE
SANOFIJul 22, 2025ELKINGTON AND FIFEADMISSIBLE
WEICKMANN & WEICKMANNJul 22, 2025-ADMISSIBLE
MODERNAJul 15, 2025MEWBURN ELLISADMISSIBLE

Patent Citations (23) New

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

Citation PhasePublication Number
OPPOSITIONEP4226941
OPPOSITIONWO02095023
OPPOSITIONWO2005120152
OPPOSITIONWO2005121348
OPPOSITIONWO2006078294
OPPOSITIONWO2007047749
OPPOSITIONWO2008089112
OPPOSITIONWO2011005799
OPPOSITIONWO2011008974
OPPOSITIONWO2012006369
OPPOSITIONWO2012006376
OPPOSITIONWO2012006377
OPPOSITIONWO2012006378
OPPOSITIONWO2012030901
OPPOSITIONWO2012031043
OPPOSITIONWO2014160243
OPPOSITIONWO2017049245
OPPOSITIONWO2017075531
OPPOSITIONWO2022137133
SEARCHWO2008103276
SEARCHWO2009086558
SEARCHWO2009111088
SEARCHWO2011005799

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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