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Expired Canadian patentCanada

Message abundance and allele copy number determination using ivt with single-stranded primer-promoter-selector constructs

CA 2623310 C · Owner: Bioarray Solutions, Ltd. · Inventors: Korzheva, Nataliya; Seul, Michael

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Abstract From the Canadian patent

A single stranded primer-promoter-selector construct for detecting the presence or the relative , quantity of a target subsequence in a sample. The construct includes (in 3' to 5' orientation) a primer , subsequence complimentary to the target a T7 or other promoter subsequence, and a selector subsequence. The primer can be extended by template mediated elongation including reverse , transcription, or by ligation to an oligonucleotide. The promoter is oriented to direct in-vitro transcription , (IVT) opposite to that of primer extension where the selector serves as a , template for IVT. The selector is associated with the target of interest and it and the amplified product, are , …

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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 September 21, 2006 and granted June 23, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 21, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 21, 2006
GrantedJune 23, 2015
Term endedSeptember 21, 2026
Patent numberCA 2623310 C
Classification (IPC)—

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2007200920112013201520172019202120232025Application filedSep 21, 2006Patent grantedJune 23, 2015Term endedSep 21, 2026

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