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Expired Canadian patentCanada

Identification of genetic markers of biological age and metabolism

CA 2381777 C · Owner: Wisconsin Alumni Research Foundation · Inventors: Lee, Cheol-Koo; Weindruch, Richard H.; Prolla, Tomas A.

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Abstract From the Canadian patent

A method of measuring the biological age of a multicellular organism is disclosed. In one embodiment this method comprises the steps of obtaining a sample of nucleic acid isolated from the organism's organ tissue or cell and , determining the expression pattern of a panel of sequences within the nucleic acid that have been predetermined by either increase or decrease in response to biological aging of the organ, tissue or cell. A method of obtaining biomarkers of aging is also disclosed. This method comprises the step of comparing a gene expression profile of a young multicellular organism subject's organ, tissue or cells; a gene expression profile from a chronologically aged …

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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 August 8, 2000 and granted October 4, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 8, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 8, 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.
FiledAugust 8, 2000
GrantedOctober 4, 2011
Term endedAugust 8, 2020
Patent numberCA 2381777 C
Classification (IPC)—

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2001200320052007200920112013201520172019Application filedAug 8, 2000Patent grantedOct 4, 2011Term endedAug 8, 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.