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Expired Canadian patentCanada

Antibiotic sensitivity testing

CA 2318367 C · Owner: Squirrell, David James · Inventors: Squirrell, David James; Price, Rachel Louise; Murphy, Melenie Jane

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The use of an assay for adenylate kinase in an in vitro test for the effect of external conditions on the growth characteristics of bacterial cells. Such tests in particular include tests for the sensivity of a bacteria to an antibiotic or a biostatic agent, and tests to assess the growth stage and health of the bacteria. Methods of carrying out these tests and kits for effecting them are also described and claimed.

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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 12, 1999 and granted April 26, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 12, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 12, 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.
FiledJanuary 12, 1999
GrantedApril 26, 2011
Term endedJanuary 12, 2019
Patent numberCA 2318367 C
Classification (IPC)C12Q1/18 +2 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedJan 12, 1999Patent grantedApril 26, 2011Term endedJan 12, 2019

Sources & verification

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