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Expired Canadian patentCanada

Method of profiling gene expression in a human subject having an infectious disease

CA 2702148 C · Owner: Liew, Choong-Chin · Inventors: Liew, Choong-Chin

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

The present invention is directed to detection and measurement of gene transcripts in blood. Specifically provided is a RT-PCR analysis performed on a drop of blood for detecting diagnosing and monitoring diseases using tissue-specific primers. The present invention also describes methods by which delineation of the sequence and/or quantitation of the expression levels of disease-associated genes allows for an immediate and accurate diagnostic/prognostic test for disease or to assess the effect of a particular treatment regimen.

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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 January 5, 2000 and granted March 4, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 5, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 5, 2022.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 5, 2000
GrantedMarch 4, 2014
Term endedJanuary 5, 2020
Patent numberCA 2702148 C
Classification (IPC)C40B40/06 +2 more

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedJan 5, 2000Patent grantedMarch 4, 2014Term endedJan 5, 2020

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