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Expired Canadian patentCanada

Somatic cell gene therapy

CA 1341246 C · Owner: St. Louis, Daniel Claude · Inventors: Verma, Inder Mohan; St. Louis, Daniel Claude

CIPO record

Overview

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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 present invention is a somatic cell gene therapy method that is especially useful for the treatment of certain diseases that are caused by gene defects. According to the invention, fibroblast cells are transduced so that they express a "replacement" gene of interest. These transduced fibroblasts are preferably fixed in vitro in an extracellular matrix and then implanted in the loose connective tissue of the skin of an individual or animal to be treated. Because the fibroblasts are implanted in a highly vascularized compartment of the skin i.e. loose connective tissue of the dermis, the transduced cells and thus their "replacement" gene products have direct, access to the circulatory …

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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

  • Granted June 5, 2001. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 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.
FiledApril 5, 1989
GrantedJune 5, 2001
Term endedJune 5, 2018
Patent numberCA 1341246 C
Classification (IPC)C12N15/12 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008201120142017Application filedApril 5, 1989Patent grantedJune 5, 2001Term endedJune 5, 2018

Sources & verification

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