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Expired Canadian patentCanada

T cell receptor display

CA 2813515 C · Owner: Immunocore Limited · Inventors: Li, Yi; Andersen, Torben Bent; Molloy, Peter Eamon

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

A proteinaceous particle, for example a bacteriophage ribosome or cell, displaying on its surface a T-cell receptor (TCR). The displayed TCR is preferably a heterodimer having a non-native disulfide bond between constant domain residues. Such display particles may be used for the creation of diverse TCR libraries for the identification of high affinity TCRs. Several high affinities are disclosed.

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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 30, 2003 and granted December 15, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 30, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 30, 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 30, 2003
GrantedDecember 15, 2015
Term endedOctober 30, 2023
Patent numberCA 2813515 C
Classification (IPC)C12N7/01 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedOct 30, 2003Patent grantedDec 15, 2015Term endedOct 30, 2023

Sources & verification

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