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Expired Canadian patentCanada

Multiplexed analysis for determining a serodiagnosis of viral infection

CA 2775655 C · Owner: The Government Of The United States Of America As Represented By The Secretary Of The Department Of Health And Human Services, Centers For Disease Control And Prevention · Inventors: Biggerstaff, Bradley J.; Basile, Alison Jane

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Abstract From the Canadian patent

Clinical samples can be analyzed using microparticles as a platform to determine the serodiagnosis of a viral infection from two candidate viral infections of the same viral group in a clinical sample. Various techniques can be used to determine serodiagnosis of viral infections; however detection of a viral infection from two candidate viral infections of the same viral group in a clinical sample represents a significant advance. For example serodiagnosis of a viral infection from two candidate viruses of the same viral group can be determined via a pooled population of subsets of microparticles with the particles in the pooled population having a bound viral group-reactive antibody and …

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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 January 27, 2005 and granted March 25, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 27, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 27, 2005
GrantedMarch 25, 2014
Term endedJanuary 27, 2025
Patent numberCA 2775655 C
Classification (IPC)G01N33/56 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedJan 27, 2005Patent grantedMarch 25, 2014Term endedJan 27, 2025

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