ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,385, issued on March 25, was assigned to Intelligent Fingerprinting Ltd. (Cambridge, Great Britain).

"Sample analysing device" was invented by Mark Hudson (Norwich, Great Britain), Jonathan Johnson (Norwich, Great Britain), David Russell (Norwich, Great Britain), Stephan Goetz (Stowmarket, Great Britain) and Tanya Stuchinskaya (Norwich, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a device and a method for analysing a sample comprising from 0.1 pg to 1 Mug of analyte, and more specifically to a lateral flow device and a method for testing the presence of very low amounts of drugs or drug metabolites ...