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IP Verse

Methods Of Treating Conditions Related To The S1P1 Receptor - EP3801459

The patent EP3801459 was granted to Arena Pharmaceuticals on Aug 7, 2024. The application was originally filed on Jun 5, 2019 under application number EP19739424A. The patent is currently recorded with a legal status of "Revoked".

EP3801459

ARENA PHARMACEUTICALS
Application Number
EP19739424A
Filing Date
Jun 5, 2019
Status
Revoked
Oct 3, 2025
Publication Date
Aug 7, 2024
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (4)

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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MAIWALDMay 7, 2025MAIWALDADMISSIBLE
SYNTHONMay 7, 2025HAMM & WITTKOPPADMISSIBLE
TEVA PHARMACEUTICALSMay 7, 2025VON KAUFFMANNADMISSIBLE
SANDOZMay 6, 2025KRAUS & LEDERER PARTGMBBADMISSIBLE

Patent Citations (9) New

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

Citation PhasePublication Number
DESCRIPTIONWO2010011316
DESCRIPTIONWO2011094008
INTERNATIONAL-SEARCH-REPORTWO2016112075
INTERNATIONAL-SEARCH-REPORTWO2018151834
INTERNATIONAL-SEARCH-REPORTWO2018151873
OPPOSITIONWO2010011316
OPPOSITIONWO2011094008
OPPOSITIONWO2016112075
OPPOSITIONWO2016209809

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.

  • Date

    Description

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