IP Verse

Methods For Treating Atopic Dermatitis By Administering An Il-4R Antagonist

Patent No. EP4374919 (titled "Methods For Treating Atopic Dermatitis By Administering An Il-4R Antagonist") was filed by Regeneron Pharmaceuticals on Sep 4, 2013. The application was issued on Oct 29, 2025.

Patent Summary

Patent Family

Patent Family

Patent Oppositions (7)

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
BRAND MURRAY FULLERJul 29, 2026BRAND MURRAY FULLER
HAMPTON KNOWLESJul 29, 2026D YOUNG
LUIGIJul 29, 2026TER MEER STEINMEISTER & PARTNER
SANDOZJul 29, 2026RUCKERL
STORZJul 29, 2026-
BOULT WADE TENNANTJul 28, 2026BOULT WADE TENNANT
NEUEFEINDJul 28, 2026MAIWALD

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

EP4374919

REGENERON PHARMACEUTICALS
Application Number
EP24163612A
Filing Date
Sep 4, 2013
Status
Granted And Under Opposition
Sep 26, 2025
Publication Date
Oct 29, 2025
External Links
Slate, Register , Google Patents