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Expired Canadian patentCanada

Biomarkers for ovarian cancer

CA 2611173 C · Owner: Vermillion, Inc. · Inventors: Ueland, Frederick Rand; Depriest, Paul Duane; Fung, Eric Thomas

CIPO record

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Abstract From the Canadian patent

The present invention provides protein-based biomarkers and biomarker combinations that are useful in qualifying ovarian cancer status in a patient. In particular, the biomarkers of this invention are useful to classify a subject sample as ovarian cancer, ovarian cancer of low malignant potential benign ovarian disease or other malignant condition. The biomarkers can be detected by SELDI mass spectrometry.

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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 June 23, 2006 and granted November 12, 2019. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 23, 2026.
  • 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.
FiledJune 23, 2006
GrantedNovember 12, 2019
Term endedJune 23, 2026
Patent numberCA 2611173 C
Classification (IPC)G01N33/48

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJune 23, 2006Patent grantedNov 12, 2019Term endedJune 23, 2026

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