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Canadian application, no grantCanada

Methods for rapid cloning of full length cdnas

CA 2288988 A1 · Owner: Bergsma, Derk Jon · Inventors: Bergsma, Derk Jon; Mooney, Jeffrey L.

CIPO record

Overview

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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 provides a method for high throughput cloning of full length cDNA sequences. This method uses a plurality of clone arrays prepared from cDNA libraries which have been preferably enriched for 5' mRNA sequences and size fractionated into several discrete ranges (sub-libraries). These arrays are used to rapidly identify the full length cDNA sequence for a DNA segment of interest.

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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 June 4, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 4, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 4, 2020.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 4, 1998
GrantedNo grant recorded
Term endedJune 4, 2018
Patent numberCA 2288988 A1
Classification (IPC)C07K5/00 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedJune 4, 1998Term endedJune 4, 2018

Sources & verification

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