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Expired Canadian patentCanada

Postnatal stem cells and uses thereof

CA 2522669 C · Owner: Government Of The United States Of America As Represented By The Secretary Of The Department Of Health And Human Services, National Institutes Of Health · Inventors: Gronthos, Stan; Miura, Masako; Robey, Pamela Gehron

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

The invention generally relates to postnatal dental stem cells and methods for their use. More specifically, the invention relates in one aspect to postnatal dental pulp stem cells, use of the cells to generate dentin and , differentiation of the cells. In another aspect the invention relates to , human postnatal deciduous dental pulp multipotent stem cells use of the cells , to generate dentin, and differentiation of the cells.

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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 19, 2003 and granted June 18, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 19, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 19, 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.
FiledApril 19, 2003
GrantedJune 18, 2013
Term endedApril 19, 2023
Patent numberCA 2522669 C
Classification (IPC)C12N5/07 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedApril 19, 2003Patent grantedJune 18, 2013Term endedApril 19, 2023

Sources & verification

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