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Storage Stable Composition Comprising Rifaximin Alpha

Patent No. EP3536311 (titled "Storage Stable Composition Comprising Rifaximin Alpha") was filed by Sandoz on Mar 22, 2017. The application was issued on Dec 22, 2021.

Patent Summary

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Patent Family

Patent Oppositions (2)

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
ALFASIGMASep 22, 2022CARPMAELS & RANSFORD
ALFASIGMASep 22, 2022KRAUS & LEDERER PARTGMBB

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.

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EP3536311

SANDOZ
Application Number
EP19170192A
Filing Date
Mar 22, 2017
Status
Granted And Under Opposition
Nov 19, 2021
Publication Date
Dec 22, 2021
External Links
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