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Canadian application, no grantCanada

The neurosteroid dhea as a marker for neuropathologies

CA 2398358 A1 · Owner: Papadopoulos, Vassilios · Inventors: Brown, Rachel C.; Cascio, Caterina; Papadopoulos, Vassilios

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

One of the major problems with the diagnosis and treatment of neurological diseases is the inability of clinicians to determine the onset of disease. The present invention describes methods and kits whereby the onset of neuropathology is detected by changes in the normal levels of neurosteroids and particularly DHEA and its metabolic precursors in the brain and serum.

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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 26, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 26, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 26, 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.
FiledJanuary 26, 2001
GrantedNo grant recorded
Term endedJanuary 26, 2021
Patent numberCA 2398358 A1
Classification (IPC)C12Q1/16 +2 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedJan 26, 2001Term endedJan 26, 2021

Sources & verification

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