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Expired Canadian patentCanada

Vaccines against avian herpes viruses

CA 1341308 C · Owner: Ross, Louis Joseph Norman · Inventors: Scott, Simon David; Ross, Louis Joseph Norman; Binns, Matthew Mckinley

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

A vaccine effective against Marek's disease virus (MDV) comprises (a) an MDV attenuated by virtue of being TK- or (b) a host expressing an MDV antigen, namely the respective MDV homologues of the HSV gB, gC, gD or gH glycoproteins (or antigenic parts thereof) or the respective MDV homologues of the HSV-1 immediate early genes IE-68 or IE-175. The host may be a herpes virus of turkeys (HVT), more particularly HVT in which the MDV antigen is inserted in the HVT homologue of the HSV gC gene, the ribonucleotide reductase (large subunit) gene or the thymidine kinase (TK) gene.

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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

  • Granted October 23, 2001. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 23, 2018.
  • 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 13, 1989
GrantedOctober 23, 2001
Term endedOctober 23, 2018
Patent numberCA 1341308 C
Classification (IPC)C12N15/38 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008201120142017Application filedSep 13, 1989Patent grantedOct 23, 2001Term endedOct 23, 2018

Sources & verification

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