IP Verse

Fenfluramine Compositions And Methods Of Preparing The Same - EP3393655

The patent EP3393655 was granted to Zogenix on Dec 9, 2020. The application was originally filed on Dec 20, 2016 under application number EP16879990A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3393655

ZOGENIX
Application Number
EP16879990A
Filing Date
Dec 20, 2016
Status
Granted And Under Opposition
Nov 6, 2020
Grant Date
Dec 9, 2020
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

Get instant alerts for new oppositions and patent status changes

KRAUS & LEDERER PARTGMBBSep 9, 2021KRAUS & LEDERER PARTGMBBADMISSIBLE
OLONSep 9, 2021KRAUS & LEDERER PARTGMBBADMISSIBLE

Patent Citations (12) New

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

Citation PhasePublication NumberPublication Link
INTERNATIONAL-SEARCH-REPORTUS2003007934
INTERNATIONAL-SEARCH-REPORTUS2004249212
INTERNATIONAL-SEARCH-REPORTUS5808156
INTERNATIONAL-SEARCH-REPORTUS5811586
OPPOSITIONDE2150399
OPPOSITIONUS3198833
OPPOSITIONUS4824987
OPPOSITIONUS5587398
OPPOSITIONUS5811586
OPPOSITIONWO2017112702
SEARCHEP0441160
SEARCHUS2003007934

Non-Patent Literature (NPL) Citations (10) 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
OPPOSITION- Anonymous, "Chemical Journal of Chinese Universities", Chemical Journal of Chinese Universities, (19880000), vol. 9, no. 2, pages 134 - 139, XP055844837-
OPPOSITION- Christopher N. Lewis et al, "Biosynthesis of Canescin, a Metabolite of Aspergillus mdignus: Incorporation of Methionine, Acetate, Succinate, and lsocoumarin Precursors, Labelled with Deuterium and Carbon-I3", J. Chem. Soc. Perkin Trans. I, (19880000), vol. 1988, pages 747 - 754, XP055844704-
OPPOSITION- C. VAN DER STELT et al., "The Effect of Alkyl Substitution in Drugs", Arzneimittelforschung - Drug Research, (19650000), vol. 15, pages 1251 - 1253, XP055844700-
OPPOSITION- Hawkins D. R., I. Midgley, "Synthesis of [ 14 C1]-fenfluramine and 14C1-S780", Journal of Labelled Compounds, (19740000), vol. 10, no. 4, pages 663 - 670, XP055844833-
OPPOSITION- Jingsyu Su et al, "Study on synthesis of Amphetamine componds", Chemical Journal of Chinese Universities, (19880000), vol. 9, no. 2, pages 134 - 139, XP055844702-
OPPOSITION- Ji Shufang et al, "A study of synthesis of fenfluramine", Journal of Shenyang College of Pharmacy, (19940400), vol. 11, no. 2, pages 116 - 118, XP055844693-
OPPOSITION- Khanh-Van Tran and David Bickar, "Dakin−West Synthesis of β-Aryl Ketones", J. Org. Chem., (20060000), vol. 71, no. 17, pages 6640 - 6643, XP055844826-
OPPOSITION- Lambert Joseph B., Mark, H. Wayne, Magyar, Elaine Stedman, "Inductive Enhancement of Aryl Participation", Journal of the American Chemical Society, (19770000), vol. 99, no. 9, pages 3059 - 3067, XP055844840-
OPPOSITION- Werbel Leslie M., Cook P. Dan, Elslager Edward F., Hung Jocelyn H., Johnson Judith L., Kesten Stephen J., Mcnamara Dennis J., Ortwine Daniel F., Worth Donald F., "Antimalarial drugs. 60. Synthesis, antimalarial activity, and quantitative structure-activity relationships of tebuquine and a series of related 5-[(7-chloro-4-quinolinyl)amino]-3-[(alkylamino)methyl][1,1'-biphenyl]-2-ols and N.omega.-oxides", Journal of Medicinal Chemistry, American Chemical Society, (19860601), vol. 29, no. 6, doi:10.1021/jm00156a009, ISSN 0022-2623, pages 924 - 939, XP055844686
OPPOSITION- Tran Khanh-Van, Bickar David, "Dakin−West Synthesis of β-Aryl Ketones", The Journal of Organic Chemistry, American Chemical Society, (20060801), vol. 71, no. 17, doi:10.1021/jo0607966, ISSN 0022-3263, pages 6640 - 6643, XP055844688

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

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