IP Verse

Storage Stable Composition Comprising Rifaximin Alpha - EP3536311

The patent EP3536311 was granted to Sandoz on Dec 22, 2021. The application was originally filed on Mar 22, 2017 under application number EP19170192A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3536311

SANDOZ
Application Number
EP19170192A
Filing Date
Mar 22, 2017
Status
Granted And Under Opposition
Nov 19, 2021
Grant Date
Dec 22, 2021
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

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 DateRepresentativeOpposition Status

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ALFASIGMASep 22, 2022CARPMAELS & RANSFORDADMISSIBLE
ALFASIGMASep 22, 2022KRAUS & LEDERER PARTGMBBADMISSIBLE

Patent Citations (8) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication NumberPublication Link
DESCRIPTIONEP1557421
DESCRIPTIONEP1698630
OPPOSITIONEP1557421
OPPOSITIONWO2006094737
OPPOSITIONWO2011107970
SEARCHUS2008262012
SEARCHUS9018225
SEARCHWO2014091432

Non-Patent Literature (NPL) Citations (13) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
DESCRIPTION- A.H. KIBBE, Handbook of Pharmaceutical Excipients, American Pharmaceutical Association-
DESCRIPTION- BRAGA et al., CrystEngComm, (20120000), vol. 14, pages 6404 - 6411-
DESCRIPTION- H.P. FIELDE, Lexikon der Hilfsstoffe fur Pharmazie, Kosmetik und angrenzende Gebiete-
OPPOSITION- Anonymous, "Avicel® PH-112 microcrystalline cellulose NF, Ph. Eur., JP ", FMC, (20030101), FMC, (20221011), XP055969629-
OPPOSITION- Anonymous, " Avicel ® PH-113 Product Specifications", FMC, (20030101), FMC, (20221011), XP055969631-
OPPOSITION- Anonymous, "Normix® 200 MG Normix 2G/100 ML", Technical Characteristics (SmPC), (20090801), pages 1 - 5, Technical Characteristics (SmPC), (20171219), XP055436497-
OPPOSITION- Anonymous, "PRODUCT specifications Avicel ® PH-103 ", FMC, (20030101), FMC, (20221011), XP055969632-
OPPOSITION- R. Rowe, Et Al, "Handbook of Pharmaceutical Excipients", Pharmaceutical Press, (20060101), pages 132 - 135, XP055677445-
OPPOSITION- Snider Bob, Liang Peihong, Pearson Neil, "Implementation of Water Activity Testing to Replace Karl Fischer Water Testing for Solid Oral-Dosage Forms", Pharmaceutical Technology, (20070201), pages 56 - 71, XP093096358-
OPPOSITION- VISCOMI G. C. ET AL., "Crystal forms of rifaximin and their effect on pharmaceutical properties", ROYAL SOCIETY OF CHEMISTRY, CRYSTENGCOMM, (20080101), vol. 10, pages 1074 - 1081, XP002761146-
OPPOSITION- Wolfgang A. Ritschel, Annette Bauer-Brandl, "Die Tablette (auszug)", Die Tablette, 2. Auflage, (20020101), pages 260 - 261, XP055616680-
OPPOSITION- Fontana Anthony J, Carter Brady P, "8 Measurement of Water Activity, Moisture Sorption Isotherm, and Moisture Content of Foods", Fontana Anthony J, Carter Brady P, Gustavo V. Barbosa-Cánovas, Anthony J. Fontana Jr., Shelly J. Schmidt, Theodore P. Labuza, Water Activity in Foods: Fundamentals and Applications, John Wiley & Sons, Inc, (20200101), pages 207 - 226, doi:10.1002/9781118765982, ISBN 978-1-118-76831-0, XP093096351
SEARCH- KIBBE A H (ED) ED - KIBBE A H (ED), Handbook of Pharmaceutical Excipients, 3rd Ed, HANDBOOK OF PHARMACEUTICAL EXCIPIENTS, AMERICAN PHARMACEUTICAL ASSOC. [U.A.], WASHINGTON, DC; US, PAGE(S) 102 - 106, (20000101), ISBN 978-0-85369-381-9, XP002170947 [A] 1-12 * the whole document *-

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Dossier Documents

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