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Expired Canadian patentCanada

Method of detecting epigenetic biomarkers by quantitative methylsnp analysis

CA 2424575 C · Owner: Max-Delbrueck-Centrum Fuer Molekulare Medizin · Inventors: Uhlmann, Karen; Nurnberg, Peter; Brinckmann, Anja

CIPO record

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Abstract From the Canadian patent

The present invention relates to a method for the detection of the methylation status of a nucleotide at a predetermined position in a nucleic acid molecule comprising the steps of (a) treating a sample comprising said nucleic acid molecule or consisting of said nucleic acid molecule in an aqueous solution with an agent suitable for the conversion of said nucleotide if present in (i) methylated form; or (ii) non-methylated form to pair with a nucleotide normally not pairing with said nucleotide prior tra conversion; (b) amplifying raid nucleic acid molecule treated with said agent; (c) real-time sequencing said amplified nucleic acid molecule; and (d) detecting whether said nucleotide is …

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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 14, 2003 and granted June 16, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 14, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 14, 2025.
  • 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 14, 2003
GrantedJune 16, 2015
Term endedApril 14, 2023
Patent numberCA 2424575 C
Classification (IPC)G01N33/58

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedApril 14, 2003Patent grantedJune 16, 2015Term endedApril 14, 2023

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