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Expired Canadian patentCanada

Methods and compositions for increasing the efficiency of therapeutic antibodies using nk cell potentiating compounds

CA 2532547 C · Owner: Universita Degli Studi Di Perugia · Inventors: Velardi, Andrea; Romagne, Francois

CIPO record

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Abstract From the Canadian patent

The present invention relates, generally to methods and compositions for , increasing the efficiency of therapeutic antibodies. Their efficiency is enhanced through the increase of the ADCC mechanism. More particularly, the invention relates to the use of a therapeutic antibody in combination with compounds that block an inhibitory receptor or stimulate an activating receptor of an NK cell in order to enhance the efficiency of the treatment with therapeutic antibodies in human subjects.

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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 July 23, 2004 and granted February 25, 2020. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 23, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 23, 2026.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 23, 2004
GrantedFebruary 25, 2020
Term endedJuly 23, 2024
Patent numberCA 2532547 C
Classification (IPC)A61K39/39 +1 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedJuly 23, 2004Patent grantedFeb 25, 2020Term endedJuly 23, 2024

Sources & verification

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