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Expired Canadian patentCanada

Biomarkers comprising peptide sequence vnhvtlsqpk for diagnosing alzheimer's disease

CA 2745724 C · Owner: Bayer Schering Pharma Aktiengesellschaft · Inventors: Sanchez, Jean-Charles; Yalkinoglu, Oezkan; Carrette, Odile

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Abstract From the Canadian patent

A method for assessing the state of Alzheimer's disease in patients is disclosed. A method , for monitoring the progression of Alzheimer's disease in patients is also disclosed. The , method applies detection of specific markers in body fluids (e.g. CSF) using , mass , spectrometric analysis (SELDI-TOF MS). The specific markers are polypeptides having , the sequence of VNHVTLSQPK.

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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 August 11, 2003 and granted June 2, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 11, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 11, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 11, 2003
GrantedJune 2, 2015
Term endedAugust 11, 2023
Patent numberCA 2745724 C
Classification (IPC)G01N33/53 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedAug 11, 2003Patent grantedJune 2, 2015Term endedAug 11, 2023

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