Patents by Inventor Tat K. Leung

Tat K. Leung has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Hepatitis C assay
    Patent number: 6596476
    Abstract: The present invention provides an improved assay for detecting the presence of an antibody to an HCV antigen in a sample by contacting the sample with at least one polypeptide containing at least one epitope of an HCV antigen. Preferred assay formats include a confirmatory assay, a combination assay, a synthetic polypeptide-based assay, an immunodot assay and a competition assay.
    Type: Grant
    Filed: August 1, 1997
    Date of Patent: July 22, 2003
    Assignee: Abbott Laboratories
    Inventors: Richard R. Lesniewski, Tat K. Leung