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Expired Canadian patentCanada

Synthetic polypeptides and antibodies related to epstein-barr virus nuclear antigen

CA 1340446 C · Owner: Scripps Clinic And Research Foundation · Inventors: Smith, Richard S.; Rhodes, Gary

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

Antigens, immunogens, inocula, antibodies and, particularly diagnostic methods and systems relating to Epstein-Barr virus nuclear antigen (EBNA) are disclosed. The diagnostic methods and systems utilize a synthetic random copolymer polypeptide containing about 6 to about 40 amino acid residues having a sequence corresponding to the sequence of a CMV-encoded polypeptide antigen. The diagnostic methods and systems are particularly useful in identifying infections mononucleosis during its acute phase.

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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 March 16, 1999. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 16, 2016.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 4, 1989
GrantedMarch 16, 1999
Term endedMarch 16, 2016
Patent numberCA 1340446 C
Classification (IPC)C07K14/04 +2 more

Timeline

Timeline From CIPO dates

199019931996199920022005200820112014Application filedAug 4, 1989Patent grantedMarch 16, 1999Term endedMarch 16, 2016

Sources & verification

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