Pharmaceutical Composition Containing Rifaximin Alpha & Delta

Patent No. EP3434265 (titled "Pharmaceutical Composition Containing Rifaximin Alpha & Delta") was filed by Sandoz on Mar 22, 2017. The application was issued on Jul 7, 2021.

Patent Summary

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Patent Family

Patent Oppositions (3)

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
TEVA PHARMACEUTICALSApr 7, 2022D YOUNG
ALFRED E TIEFENBACHERApr 6, 2022HAMM & WITTKOPP
ALFASIGMAMar 21, 2022KRAUS & LEDERER PARTGMBB

Dossier Documents

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EP3434265

SANDOZ
Application Number
EP18193241A
Filing Date
Mar 22, 2017
Status
Revoked
May 24, 2024
Publication Date
Jul 7, 2021