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Canadian application, no grantCanada

Process for generating specific antibodies

CA 2175482 A1 · Owner: Genzyme Corporation · Inventors: Hillhouse, Dana; Copeland, Diane P.; Barsomian, Gary

CIPO record

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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 present invention relates to a method for generating an antibody which is specific for an immunorecessive epitope and nucleic, acid encoding the antibody. The Subject method generally comprises the steps of generating a variegated display library of antibody variable regions and selecting from the library those antibody variable regions which have a desired binding specificity for the immunorecessive epitope. The antibody variable regions used to generate the display library are cloned from an immunotolerance-derived antibody repertoire.

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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 December 8, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 8, 2014.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 8, 2016.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 8, 1994
GrantedNo grant recorded
Term endedDecember 8, 2014
Patent numberCA 2175482 A1
Classification (IPC)C12N15/13 +1 more

Timeline

Timeline From CIPO dates

1995199719992001200320052007200920112013Application filedDec 8, 1994Term endedDec 8, 2014

Sources & verification

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