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Canadian application, no grantCanada

A novel cancer drug screen based on cell cycle uncoupling

CA 2248935 A1 · Owner: Waldman, Todd · Inventors: Vogelstein, Bert; Waldman, Todd; Kinzler, Kenneth W.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Checkpoint gene-defective human cells are useful for screening potential anti-tumor agents. Potential therapeutic agents are screened for the ability to cause DNA accumulation or cell death in a checkpoint gene-defective human cell.

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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 February 21, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 21, 2017.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 21, 2019.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 21, 1997
GrantedNo grant recorded
Term endedFebruary 21, 2017
Patent numberCA 2248935 A1
Classification (IPC)C12N5/07 +2 more

Timeline

Timeline From CIPO dates

1998200020022004200620082010201220142016Application filedFeb 21, 1997Term endedFeb 21, 2017

Sources & verification

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