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Canadian application, no grantCanada

Eukaryotic gene expression cassette and uses thereof

CA 2278326 A1 · Owner: University College London · Inventors: Latchman, David Seymour; Coffin, Robert Stuart

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

An expression cassette comprising a herpes simplex virus latency-associated transcript P2 region, a promoter and a heterologous gene operably linked in that order. The expression cassette is incorporated into herpes simplex virus vectors to allow for delivery of heterologous genes to mammalian cells for long-term expression.

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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 January 12, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 12, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 12, 2020.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 12, 1998
GrantedNo grant recorded
Term endedJanuary 12, 2018
Patent numberCA 2278326 A1
Classification (IPC)C12N15/86 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedJan 12, 1998Term endedJan 12, 2018

Sources & verification

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