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Expired Canadian patentCanada

.beta.-adrenergic receptor polymorphisms

CA 2305675 C · Owner: Liggett, Stephen Bryant · Inventors: Liggett, Stephen Bryant

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 invention concerns polymorphisms in the .beta.1- and the .beta.2adrenergic receptors. The invention also pertains to methods and molecules for detecting such polymorphisms. The invention further pertains to the use of such molecules and methods in the diagnosis prognosis, and treatment , selection for cardiovascular diseases obesity, and diabetes.

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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 October 9, 1998 and granted December 9, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 9, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 9, 2020.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 9, 1998
GrantedDecember 9, 2014
Term endedOctober 9, 2018
Patent numberCA 2305675 C
Classification (IPC)C07H21/04

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedOct 9, 1998Patent grantedDec 9, 2014Term endedOct 9, 2018

Sources & verification

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