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Lixisenatide Synthesis With Capping

Patent No. EP3774838 (titled "Lixisenatide Synthesis With Capping") was filed by Sanofi Aventis Deutschland on Apr 10, 2019. The application was issued on Sep 3, 2025.

Patent Summary

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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 DateRepresentative
MAIWALDMay 9, 2023MAIWALD
FRESENIUS KABI DEUTSCHLANDMay 8, 2023FRESENIUS KABI DEUTSCHLAND

Dossier Documents

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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
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