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Expired Canadian patentCanada

Method for detection of specific nucleic acid sequences

CA 1340775 C · Owner: Goodman, Thomas C. · Inventors: Goodman, Thomas C.; Ullman, Edwin F.; Stull, Paul D.

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Abstract From the Canadian patent

A method is disclosed for detecting the presence of a target nucleotide sequence in a polynucleotide. The method comprises hybridizing a first nucleotide sequence and a second nucleotide sequence to non-contiguous portions of a target nucleotide sequence covalently, attaching the first and second sequences when they are hybridized to the target sequence, and determining the presence of covalently attached first and second sequences. The presence of the covalently attached first and second sequences is related to the presence of the target nucleotide sequence. The invention may be applied to target nucleotide sequences in DNA or RNA. Specific target nucleotide sequences of interest will …

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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 September 28, 1999. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 28, 2016.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 24, 1989
GrantedSeptember 28, 1999
Term endedSeptember 28, 2016
Patent numberCA 1340775 C
Classification (IPC)C12Q1/68 +1 more

Timeline

Timeline From CIPO dates

199019931996199920022005200820112014Application filedAug 24, 1989Patent grantedSep 28, 1999Term endedSep 28, 2016

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