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Expired Canadian patentCanada

Receptor activation by gas6

CA 2214629 C · Owner: Mark, Melanie R. · Inventors: Mark, Melanie R.; Hammonds, R. Glenn; Mather, Jennie P.

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

An activator of the Rse and Mer receptor protein tyrosine kinases has been identified. The activator is encoded by growth arrest-specific gene 6 (gas6). Accordingly the invention, provides a method of activating the Rse or Mer receptor using gas6 polypeptide. Furthermore, the invention provides a method of enhancing survival proliferation or , differentiation of cells having the Rse or Mer receptor incorporated in their cell membranes which involves exposing, those cells to gas6 polypeptide. The types of cells which can be treated according to the, method include glial cells such as Schwann cells and mononuclear cells. Kits and articles of, manufacture which include gas6 polypeptide …

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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 March 5, 1996 and granted July 10, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 5, 2016.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 5, 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.
FiledMarch 5, 1996
GrantedJuly 10, 2001
Term endedMarch 5, 2016
Patent numberCA 2214629 C
Classification (IPC)C12N15/12 +2 more

Timeline

Timeline From CIPO dates

1997199920012003200520072009201120132015Application filedMarch 5, 1996Patent grantedJuly 10, 2001Term endedMarch 5, 2016

Sources & verification

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