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IP Verse

Lixisenatide Synthesis With Capping - EP3774838

The patent EP3774838 was granted to Sanofi Aventis Deutschland on Sep 3, 2025. The application was filed on Apr 10, 2019 under application number EP19715517A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3774838

SANOFI AVENTIS DEUTSCHLAND
Application Number
EP19715517A
Filing Date
Apr 10, 2019
Status
Patent Maintained As Amended
Aug 1, 2025
Publication Date
Sep 3, 2025
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
MAIWALDMay 9, 2023MAIWALDADMISSIBLE
FRESENIUS KABI DEUTSCHLANDMay 8, 2023FRESENIUS KABI DEUTSCHLANDADMISSIBLE

Patent Citations (24) New

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

Citation PhasePublication Number
DESCRIPTIONEP996100434
DESCRIPTIONUS5424286
DESCRIPTIONWO0104156
DESCRIPTIONWO2004005342
DESCRIPTIONWO980535
DESCRIPTIONWO9830231
DESCRIPTIONWO9907404
DESCRIPTIONWO9925727
DESCRIPTIONWO9925728
EXAMINATIONEP1107969
INTERNATIONAL-SEARCH-REPORTEP1107969
INTERNATIONAL-SEARCH-REPORTUS2013289241
INTERNATIONAL-SEARCH-REPORTUS2015291682
INTERNATIONAL-SEARCH-REPORTUS7431685
INTERNATIONAL-SEARCH-REPORTWO2017162650
OPPOSITIONCN103163233
OPPOSITIONUS2013289241
OPPOSITIONUS7431685
OPPOSITIONWO0012506
OPPOSITIONWO2005023314
OPPOSITIONWO2006127948
OPPOSITIONWO2017162650
OPPOSITIONWO2019197469
OPPOSITIONWO9825950

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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