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Expired Canadian patentCanada

Glucagon-like peptide-2 and its therapeutic use

CA 2218225 C · Owner: Drucker, Daniel J. · Inventors: Drucker, Daniel J.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

Glucagon-like peptide-2, a product of glucagon gene expression and analogs of glucagon-like peptide-2 have been identified as gastrointestinal tissue growth factors. Their effects on the growth of small bowel and pancreatic islets are described. Their formulation as a pharmaceutical and their therapeutic use in treating disorders of the bowel are described.

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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 April 12, 1996 and granted September 23, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 12, 2016.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 12, 2018.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 12, 1996
GrantedSeptember 23, 2014
Term endedApril 12, 2016
Patent numberCA 2218225 C
Classification (IPC)A61K38/26 +2 more

Timeline

Timeline From CIPO dates

1997199920012003200520072009201120132015Application filedApril 12, 1996Patent grantedSep 23, 2014Term endedApril 12, 2016

Sources & verification

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