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Expired Canadian patentCanada

Genetically engineered toxoplasma gondii p30 antigen, improved antigen cocktail and uses thereof

CA 2501040 C · Owner: Ginsburg, Sanford R. · Inventors: Patel, Chandu B.; Bliese, Timothy R.; Ginsburg, Sanford R.

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 genetically engineered P30 antigen and a combination or mixture of antigens (e.g. the genetically engineered P30 antigen and P35) that may be used in the detection of IgM and/or IgG antibodies to Toxoplasma gondii. Furthermore the present invention also , relates to methods of using this genetically engineered P30 antigen and combination of antigens, antibodies raised against this genetically engineered P30 antigen and combination of antigens as well as kits and vaccines , containing the genetically engineered P30 antigen and antigens present in the combination.

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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 October 2, 2003 and granted April 21, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 2, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 2, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 2, 2003
GrantedApril 21, 2015
Term endedOctober 2, 2023
Patent numberCA 2501040 C
Classification (IPC)C12N15/30 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedOct 2, 2003Patent grantedApril 21, 2015Term endedOct 2, 2023

Sources & verification

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