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Expired Canadian patentCanada

A monoclonal antibody against estrogen stimulated leucine aminopeptidase

CA 2303505 C · Owner: Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Health · Inventors: Pulido-Cejudo, Gabriel

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Abstract From the Canadian patent

The identification and characterization of risk factors and their molecular implications, in the pathophysiology of human diseases such as cancer is essential for designing, efficient diagnostic assays and therapeutic compounds. Estrogenic steroids under normal, physiological conditions have been shown to play a critical function in several tissues. The response of such a variety of tissues to estrogen stimulation can explain in part its, active role in the development and progression of different human diseases particularly, Breast Cancer. Searching for estrogen-responding cellular factors in parental cells of, primary human breast carcinomas obtained from tumour biopsies an isoenzyme …

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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 30, 2000 and granted November 13, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 30, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 30, 2022.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 30, 2000
GrantedNovember 13, 2001
Term endedMarch 30, 2020
Patent numberCA 2303505 C
Classification (IPC)C12P21/08 +2 more

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedMarch 30, 2000Patent grantedNov 13, 2001Term endedMarch 30, 2020

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