Assay For Jc Virus Antibodies

Patent No. EP4152004 (titled "Assay For Jc Virus Antibodies") was filed by Biogen MA on Jan 11, 2011. The application was issued on Apr 9, 2025.

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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
POLPHARMA BIOLOGICSAug 19, 2025WICHMANN

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

EP4152004

BIOGEN MA
Application Number
EP22191259A
Filing Date
Jan 11, 2011
Status
Granted And Under Opposition
Oct 18, 2024
Publication Date
Apr 9, 2025