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Expired Canadian patentCanada

Cytokine production-inducing antibody

CA 2498315 C · Owner: Glacet, Arnaud · Inventors: De Romeuf, Christophe; Bourel, Dominique; Glacet, Arnaud

CIPO record

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Abstract From the Canadian patent

The invention relates to a method of measuring the activation of an effector cell belonging to the immune system which may or may not be transformed, using a monoclonal (AcMo) or polyclonal antibody. The invention is characterised in that it consists in: bringing into contact (i) CD16 receptor-expressing cells in a reaction medium in the presence of the antibody and (ii) the antigen of said antibody and measuring the quantity of at least one cytokine produced by the CD16 receptor-expressing cell. The invention also relates to the selection of an antibody capable of inducing the expression of cytokines and interleukins such as IFN? or IL2 which are intended for the treatment of autoimmune …

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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 September 15, 2003 and granted January 29, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 15, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 15, 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.
FiledSeptember 15, 2003
GrantedJanuary 29, 2013
Term endedSeptember 15, 2023
Patent numberCA 2498315 C
Classification (IPC)G01N33/68 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedSep 15, 2003Patent grantedJan 29, 2013Term endedSep 15, 2023

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