The weekly litigation news digest is live. Subscribe now

Methods And Compositions For Assaying Vitamin D

Patent No. EP3491392 (titled "Methods And Compositions For Assaying Vitamin D") was filed by Diazyme Laboratories on Jul 28, 2017. The application was issued on Mar 31, 2021.

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
NEDERLANDSCH OCTROOIBUREAUJan 3, 2022NEDERLANDSCH OCTROOIBUREAU

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

EP3491392

DIAZYME LABORATORIES
Application Number
EP17755585A
Filing Date
Jul 28, 2017
Status
Opposition Rejected
Sep 12, 2025
Publication Date
Mar 31, 2021