IP Verse

Safe And Effective Method Of Treating Psoriasis With Anti-Il23 Specific Antibody

Patent No. EP3519049 (titled "Safe And Effective Method Of Treating Psoriasis With Anti-Il23 Specific Antibody") was filed by Janssen Biotech on Sep 29, 2017. The application was issued on Dec 3, 2025.

Patent Summary

Patent Family

Patent Family

Patent Oppositions (6)

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
ABEL & IMRAYSep 3, 2026ABEL & IMRAY
NEUEFEINDSep 3, 2026MAIWALD PATENT- UND RECHTSANWALTSGESELLSCHAFT MBH
MAIWALD PATENTANWALTSSep 2, 2026MAIWALD PATENT- UND RECHTSANWALTSGESELLSCHAFT MBH
GEDEON RICHTER PHARMASep 1, 2026MAIWALD PATENT- UND RECHTSANWALTSGESELLSCHAFT MBH
SANDOZSep 1, 2026REDDIE & GROSE
SYNTHONSep 1, 2026REDDIE & GROSE

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

  • Get instant alerts for new documents

EP3519049

JANSSEN BIOTECH
Application Number
EP17857471A
Filing Date
Sep 29, 2017
Status
Granted And Under Opposition
Oct 31, 2025
Publication Date
Dec 3, 2025
External Links
Slate, Register , Google Patents