Patent 7935539 was granted and assigned to Siemens Healthcare Diagnostics Inc. on May, 2011 by the United States Patent and Trademark Office.
An improved agglutination immunoassay is characterized by reacting a sample fluid which may contain an analyte with a generic antibody conjugated to latex particles and then adding an antibody specific to the analyte to be determined. Agglutination resulting from adding the antibody specific to the analyte is measured and correlated with the amount of analyte in the sample.