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Canadian application, no grantCanada

Methods and materials relating to novel polypeptides and polynucleotides

CA 2492169 A1 · Owner: Zhou, Ping · Inventors: Zhou, Ping; Tang, Y. Tom; Wang, Jian-Rui

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 invention provides novel polynucleotides and polypeptides encoded by such polynucleotides and mutants or variants thereof that correspond to the novel polynucleotides and polypeptides. Other aspects of the invention include vectors containing processes for producing novel polypeptides and antibodies , specific for such polypeptides.

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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 9, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 9, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 9, 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.
FiledJuly 9, 2003
GrantedNo grant recorded
Term endedJuly 9, 2023
Patent numberCA 2492169 A1
Classification (IPC)C12N15/12 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedJuly 9, 2003Term endedJuly 9, 2023

Sources & verification

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