Pharmaceutical Composition Containing Rifaximin Alpha&Delta

Patent No. EP3294270 (titled "Pharmaceutical Composition Containing Rifaximin Alpha&Delta") was filed by Sandoz on Mar 22, 2017. The application was issued on Sep 12, 2018.

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
ALFASIGMAJun 12, 2019KRAUS & LEDERER PARTGMBB
ALFRED E TIEFENBACHERJun 12, 2019HAMM & WITTKOPP

Dossier Documents

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EP3294270

SANDOZ
Application Number
EP17712970A
Filing Date
Mar 22, 2017
Status
Revoked
Feb 14, 2024
Publication Date
Sep 12, 2018