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Canadian application, no grantCanada

5'ests for non tissue specific secreted proteins

CA 2297306 A1 · Owner: Duclert, Aymeric · Inventors: Dumas Milne Edwards, Jean-Baptiste; Lacroix, Bruno; Duclert, Aymeric

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 sequences of 5'ESTs derived from mRNAs encoding secreted proteins are disclosed. The 5'ESTs may be to obtain cDNAs and genomic DNAs corresponding to the 5'ESTs. The 5'ESTs may also be used in diagnostic forensic, gene therapy, and chromosome mapping procedures. Upstream regulatory sequences may also be obtained using the 5'ESTs. The 5'ESTs may also be used to design expression vectors and secretion vectors.

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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 July 31, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 31, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 31, 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.
FiledJuly 31, 1998
GrantedNo grant recorded
Term endedJuly 31, 2018
Patent numberCA 2297306 A1
Classification (IPC)C12N15/12 +1 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedJuly 31, 1998Term endedJuly 31, 2018

Sources & verification

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