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Expired Canadian patentCanada

A method of inducing an immune response using vaccinia virus recombinants

CA 2190290 C · Owner: Eisenlohr, Laurence C. · Inventors: Berd, David; Mastrangelo, Michael J.; Lattime, Edmund C.

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Abstract From the Canadian patent

A method of inducing expression of immune active cytokines in tumors in situ is provided wherein a vaccinia virus vector capable of inducing expression of a selected cytokine is generated and injected into a tumor so that cells of the tumor express the selected cytokine. A method of enhancing immunity in a host by administration of a vaccinia virus vector is also provided. Methods of treating cancer by administration of these vaccinia virus vectors are also provided.

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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 May 11, 1995 and granted July 5, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 11, 2015.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 11, 2017.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 11, 1995
GrantedJuly 5, 2011
Term endedMay 11, 2015
Patent numberCA 2190290 C
Classification (IPC)A61K48/00 +2 more

Timeline

Timeline From CIPO dates

1996199820002002200420062008201020122014Application filedMay 11, 1995Patent grantedJuly 5, 2011Term endedMay 11, 2015

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