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Canadian application, no grantCanada

Conserved neisserial antigens

CA 2372235 A1 · Owner: Rappuoli, Rino · Inventors: Rappuoli, Rino

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

To ensure maximum cross-strain recognition and reactivity regions of proteins , that are conserved between different Neisserial species serogroups and , strains can be used. The invention provides proteins which comprise stretches of amino acid sequence that are shared across the majority of Neisseria particularly N. meningitidis and N.gonorrhoeae.

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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 April 28, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 28, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 28, 2022.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 28, 2000
GrantedNo grant recorded
Term endedApril 28, 2020
Patent numberCA 2372235 A1
Classification (IPC)C12N15/31 +2 more

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedApril 28, 2000Term endedApril 28, 2020

Sources & verification

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