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Expired Canadian patentCanada

Method, composition and kit for antigenic binding of norwalk-like viruses

CA 2487846 C · Owner: Jiang, Xi · Inventors: Jiang, Xi; Le Pendu, Jacques

CIPO record

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Abstract From the Canadian patent

A method for detecting a Norwalk-Like Virus (NLV) in a biological sample comprising the steps of: obtaining a biological sample suspected of containing a NLV; contacting the biological sample with at least one human histo-blood group antigen to allow formation of a complex of the NLV with the antigen; and detecting the antigen NLV complex. The antigen-NLV complex can be detected by contacting the NLV-antigen complex with a NLV antibody that binds at an epitope of the NLV, and detecting the NLV antibody. The invention also includes a method for identifying compounds and the compounds, that can , inhibit the binding between a Norwalk-Like Virus (NLV) and a histo-blood group antigen. …

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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 2, 2003 and granted May 29, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 2, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 2, 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.
FiledJune 2, 2003
GrantedMay 29, 2012
Term endedJune 2, 2023
Patent numberCA 2487846 C
Classification (IPC)A61K31/73 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedJune 2, 2003Patent grantedMay 29, 2012Term endedJune 2, 2023

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