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Canadian application, no grantCanada

Method for detecting changes in gene expression caused by the transfer of gene to be tested

CA 2288025 A1 · Owner: Yano, Kazuhiro · Inventors: Suyama, Akira; Muramatsu, Masaaki; Yano, Kazuhiro

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

A method for detecting changes in gene expression in cells caused by the expression of a gene to be tested by extracting mRNAs from cells into which the gene to be tested has been transferred and expressed and control cells into which the gene to be tested has not been transferred and comparing these mRNAs in constitution. This method also makes it possible to screen genes suffering from changes in the expression thereof in cells due to the expression of the gene to be tested in 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 27, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 27, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 27, 2020.
  • 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 27, 1998
GrantedNo grant recorded
Term endedApril 27, 2018
Patent numberCA 2288025 A1
Classification (IPC)C12N15/00 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedApril 27, 1998Term endedApril 27, 2018

Sources & verification

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