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Fenfluramine Compositions And Methods Of Preparing The Same - EP3800177

The patent EP3800177 was granted to Zogenix on Jan 29, 2025. The application was originally filed on Dec 20, 2016 under application number EP20210227A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3800177

ZOGENIX
Application Number
EP20210227A
Filing Date
Dec 20, 2016
Status
Granted And Under Opposition
Dec 26, 2024
Publication Date
Jan 29, 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

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ALFRED E TIEFENBACHEROct 29, 2025HAMM & WITTKOPPADMISSIBLE
SANDOZOct 23, 2025KRAUS & LEDERER PARTGMBBADMISSIBLE

Patent Citations (4) New

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

Citation PhasePublication Number
OPPOSITIONUS11634377
OPPOSITIONUS2021147335
SEARCHEP0441160
SEARCHUS2003007934

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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