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Canadian application, no grantCanada

Method for gene isolation by cre-trap cloning

CA 2496813 A1 · Owner: Sleckman, Barry P. · Inventors: Sleckman, Barry P.

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 disclosure describes a method for isolating genes encoding proteins that regulate the expression of target genes of interest said method designated , herein for convenience by the term: "Cre-Trap cloning." In brief the Cre-trap , cloning method of the invention involves modifying a target gene of interest such that it encodes the Cre recombinase and Herpes simplex virus (HSV) thymidine kinase (TK) proteins. This step is followed by mutagenesis and selection for cells which have lost target gene expression by virtue of their resistance to ganciclovir (a nucleoside analog structurally related to acyclovir), which kills cells expressing HSV TK. Cell lines that have lost target gene …

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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 26, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 26, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 26, 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.
FiledAugust 26, 2003
GrantedNo grant recorded
Term endedAugust 26, 2023
Patent numberCA 2496813 A1
Classification (IPC)C12N15/10 +1 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedAug 26, 2003Term endedAug 26, 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.