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Expired Canadian patentCanada

Mutations in and genomic structure of herg - a long qt syndrome gene

CA 2336236 C · Owner: University Of Utah Research Foundation · Inventors: Splawski, Igor; Keating, Mark T.

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Abstract From the Canadian patent

The invention relates to the determination of the genomic structure of HERG which is a gene associated with long QT syndrome. The sequences of the 15 intron/exon junctions has been determined and this information is useful in devising primers for amplifying and sequencing across all of the exons of the gene. This is useful for determining the presence or absence of mutations which are known to cause long QT syndrome. Also disclosed are many new mutations in HERG which have been found to be associated with long QT syndrome.

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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 July 20, 1999 and granted September 25, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 20, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 20, 2021.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 20, 1999
GrantedSeptember 25, 2012
Term endedJuly 20, 2019
Patent numberCA 2336236 C
Classification (IPC)C07H21/04 +2 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedJuly 20, 1999Patent grantedSep 25, 2012Term endedJuly 20, 2019

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