Patent Yard Sign in
Expired Canadian patentCanada

Hbv drug resistance detection methods

CA 2480382 C · Owner: Innogenetics N.V. · Inventors: Bozdayi, Abdurrahman Mithat

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

New polymorphisms in the nucleic acid sequences of the DNA polymerase/reverse transcriptase open reading frame and viral surface antigen open reading frame of the hepatitis B virus are reported. In particular the present invention , relates to the mutation YMDD .fwdarw. YSDD in the HBV reverse transcriptase domain and to the W196V mutation in the small HBV viral surface antigen. Said polymorphisms are affecting the detection of drug resistance mutations by genotypic methods and diagnostic kits based thereon. The present invention relates to methods and diagnostic kits for detection of a HBV virus comprising said nucleic acid polymorphisms. In particular those methods utilizing , …

Read the whole patent

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 29, 2002 and granted December 22, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 29, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 29, 2024.
  • 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 29, 2002
GrantedDecember 22, 2015
Term endedMarch 29, 2022
Patent numberCA 2480382 C
Classification (IPC)C12N7/00 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedMarch 29, 2002Patent grantedDec 22, 2015Term endedMarch 29, 2022

Sources & verification

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