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Canadian application, no grantCanada

Preparation and use of superior vaccines

CA 2335452 A1 · Owner: Roberts, Bruce L. · Inventors: Roberts, Bruce L.; Shankara, Srinivas

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

This invention provides an isolated population of polynucleotides comprising or corresponding to at least one polynucleotide shown in Table 1 and their respective complements. It also provides a polynucleotide encoding a ligand or antibody or engineered protein that binds to a cell surface protein of an antigen presenting cell and wherein the polynucleotide comprises or corresponds to a polynucleotide shown in Table 1 or its complement. The invention further provides a polynucleotide that encodes a transcription factor and wherein the polynucleotide comprises or corresponds to a polynucleotide shown in Table 1 or its complement.

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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 18, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 18, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 18, 2021.
  • 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 18, 1999
GrantedNo grant recorded
Term endedJune 18, 2019
Patent numberCA 2335452 A1
Classification (IPC)C12N15/00 +2 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedJune 18, 1999Term endedJune 18, 2019

Sources & verification

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