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Canadian application, no grantCanada

Novel nucleic acids and polypeptides

CA 2404555 A1 · Owner: Tang, Y. Tom · Inventors: Tang, Y. Tom; Zhao, Qing A.; Xu, Chongjun

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

The present invention provides novel nucleic acids novel polypeptide , sequences encoded by these nucleic acids and uses thereof.

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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 March 30, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 30, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 30, 2023.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 30, 2001
GrantedNo grant recorded
Term endedMarch 30, 2021
Patent numberCA 2404555 A1
Classification (IPC)C12N15/00 +2 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedMarch 30, 2001Term endedMarch 30, 2021

Sources & verification

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