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Expired Canadian patentCanada

Sphingosine-1-phosphate receptor agonists in the treatment of demyelinating disorders

CA 2499622 C · Owner: Novartis Ag · Inventors: Foster, Carolyn Ann; Hiestand, Peter C.; Glue, Paul William

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Disclosed are pharmaceutical combinations comprising at least one S1P receptor agonist, as well as a method for treating demyelinating diseases e.g. , multiple sclerosis or disorders associated therewith or Guillain-Barré syndrome, comprising co-administration e.g. concomitantly or in sequence, of a therapeutically effective amount of a) an S1P receptor agonist and b) at , least one co-agent shown to have clinical activity against at least one symptom of a demyelinating disease.

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed September 23, 2003 and granted January 3, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 23, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 23, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 23, 2003
GrantedJanuary 3, 2012
Term endedSeptember 23, 2023
Patent numberCA 2499622 C
Classification (IPC)A61K31/13 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedSep 23, 2003Patent grantedJan 3, 2012Term endedSep 23, 2023

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.