Use of recombinant antigens to determine the immune status of an animal
CA 2399202 A1 · Owner: Heska Corporation · Inventors: Rosen, David K.; Andrews, Janet S.; Lappin, Michael R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention includes a method to determine the immune status of an animal that includes the steps of (a) contacting a biological specimen of the animal with a recombinant infectious agent antigen that is specific for detecting an antibody selective for that infectious agent under conditions , suitable for formation of a complex between the recombinant antigen and the antibody and (b) detecting the presence or absence of the complex wherein , presence or absence of a complex is indicative of the immune status of the animal. Preferably such a method indicates whether the animal should be vaccinated. The present invention also includes an assay comprising (a) a recombinant …
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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 March 7, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 7, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 7, 2023.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.