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Expired Canadian patentCanada

Mouse deficient in glutamate transporter glast function

CA 2522597 C · Owner: Japan Science And Technology Agency · Inventors: Tanaka, Kohichi; Harada, Takayuki

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Abstract From the Canadian patent

The present invention provides a GLAST knockout mouse lacking the function of an endogenous glutamate transporter GLAST gene which shows: 1) an , intraocular pressure within the normal range; and 2) a reduction in the number of , cells in the retinal ganglions when compared with a wild-type normal mouse. Owing , to the ocular properties, this knockout mouse is useful as a model for normal tension , glaucoma. By using this knockout mouse a compound useful for the treatment of normal tension glaucoma can be screened.

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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 13, 2004 and granted January 22, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 13, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 13, 2026.
  • 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 13, 2004
GrantedJanuary 22, 2013
Term endedApril 13, 2024
Patent numberCA 2522597 C
Classification (IPC)C12Q1/00 +2 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedApril 13, 2004Patent grantedJan 22, 2013Term endedApril 13, 2024

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