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Expired Canadian patentCanada

Recombinant lipidated psaa protein, methods of preparation and use

CA 2319404 C · Owner: The Government Of The United States Of America, As Represented By The Secretary, Department Of Health And Human Services, C/O Centers For Disease Control And Prevention, Technology Transfer Office · Inventors: Carlone, George M.; Ades, Edwin W.; De, Barun K.

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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 recombinant lipidated PsaA proteins and recombinant constructs from which such lipidated PsaA proteins may be expressed. The invention relates further to lipidated PsaA proteins in which lipidation is effected by the use of a heterologous leader sequence derived from the ospA gene of Borrelia burgdorferi which leader sequence is joined in , translational reading frame with the psaA structural gene. The invention also provides methods of preparation of lipidated PsaA proteins and use of such proteins in immunological compositions. Also provided are vaccines comprising immunogenic lipidated PsaA proteins and methods of use of such vaccines in the …

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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 14, 1999 and granted January 7, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 14, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 14, 2021.
  • 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 14, 1999
GrantedJanuary 7, 2014
Term endedJanuary 14, 2019
Patent numberCA 2319404 C
Classification (IPC)C12N15/62 +2 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedJan 14, 1999Patent grantedJan 7, 2014Term endedJan 14, 2019

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