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Expired Canadian patentCanada

Methods and kits for diagnosing and treating b-cell chronic lymphocytic leukemia (b-cll)

CA 2506737 C · Owner: Kjems, Joergen · Inventors: Leffers, Henrik; Hertz, Anne Mette Buhl

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The present invention relates to methods and kits for detecting several polynucleotide sequence found to be indicative of a poor prognosis of B-CLL. All the polynucleotides are transcribed from a region on human chromosome 12p21-22. Most of the polynucleotides do not encode larger polypeptides but , may encode small peptides, they may function as RNAs. Four polynucleotides encode a novel protein, which in one preferred embodiment can be used as a cytokine, preferably as an interleukin. Furthermore the invention relates to methods and compositions for treating B-CLL in particular poor prognosis B-CLL.

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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 November 19, 2003 and granted September 30, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 19, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 19, 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.
FiledNovember 19, 2003
GrantedSeptember 30, 2014
Term endedNovember 19, 2023
Patent numberCA 2506737 C
Classification (IPC)C12N15/24 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedNov 19, 2003Patent grantedSep 30, 2014Term endedNov 19, 2023

Sources & verification

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