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Expired Canadian patentCanada

Nucleic acid molecule encoding a mismatch endonuclease and methods of use thereof

CA 2400441 C · Owner: Yeung, Anthony T. · Inventors: Yeung, Anthony T.

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

Nucleic acid molecules encoding a mismatch endonuclease and its method of use for the detection of mutations in targeted polynucleotide sequences are provided, which facilitate the localization and identification of mutations mismatches and genetic polymorphisms.

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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 February 22, 2001 and granted August 27, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 22, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 22, 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.
FiledFebruary 22, 2001
GrantedAugust 27, 2013
Term endedFebruary 22, 2021
Patent numberCA 2400441 C
Classification (IPC)C12N15/55 +2 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedFeb 22, 2001Patent grantedAug 27, 2013Term endedFeb 22, 2021

Sources & verification

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