ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,559, issued on Sept. 23, was assigned to The Board of Trustees of the Leland Stanford Junior University (Stanford, Calif.).

"Identification and use of circulating nucleic acid tumor markers" was invented by Maximilian Diehn (San Carlos, Calif.), Arash Ash Alizadeh (San Mateo, Calif.), Aaron M. Newman (Palo Alto, Calif.) and Scott V Bratman (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for creating a selector of mutated genomic regions and for using the selector set to analyze genetic alterations in a cell-free nucleic acid sample are provided. The methods can be used to measure tumor-derived nucleic acids in a blood samp...