IP Verse

Dosage Form Containing Oxycodone And Naloxone

Patent No. EP3578173 (titled "Dosage Form Containing Oxycodone And Naloxone") was filed by Euro Celtique on Feb 28, 2006. The application was issued on Oct 26, 2022.

Patent Summary

Patent Family

Patent Family

Patent Oppositions (5)

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
ETHYPHARMJul 26, 2023REGIMBEAU
JP PEELJul 26, 2023PEEL
PUREN PHARMAJul 26, 2023HAMM & WITTKOPP
DEVELCO PHARMA SCHWEIZOct 26, 2022TER MEER STEINMEISTER & PARTNER
SANDOZOct 26, 2022TER MEER STEINMEISTER & PARTNER

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

EP3578173

EURO CELTIQUE
Application Number
EP19167974A
Filing Date
Feb 28, 2006
Status
Granted And Under Opposition
Sep 23, 2022
Publication Date
Oct 26, 2022
External Links
Slate, Register , Google Patents