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Expired Canadian patentCanada

Improved sso7-polymerase conjugate proteins

CA 2502335 C · Owner: Wang, Yan · Inventors: Wang, Yan

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

This invention provides Sso7-polymerase conjugates that exhibit improved activity in a polymerase reaction.

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 October 20, 2003 and granted September 4, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 20, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 20, 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.
FiledOctober 20, 2003
GrantedSeptember 4, 2012
Term endedOctober 20, 2023
Patent numberCA 2502335 C
Classification (IPC)C07K19/00 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedOct 20, 2003Patent grantedSep 4, 2012Term endedOct 20, 2023

Sources & verification

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