Expired Canadian patentCanada
Diagnosing and monitoring inflammatory diseases by measuring complement components on white blood cells
CA 2564492 C · Owner: Ahearn, Joseph M. · Inventors: Liu, Chau-Ching; Manzi, Susan M.; Ahearn, Joseph M.
Overview
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Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is related to methods of diagnosing inflammatory diseases or conditions by determining levels of components of the complement pathway on the surface of white blood cells.
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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 May 11, 2005 and granted May 22, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 11, 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.
FiledMay 11, 2005
GrantedMay 22, 2012
Term endedMay 11, 2025
Patent numberCA 2564492 C
Classification (IPC)G01N33/53
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.