ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,235, issued on May 20, was assigned to Natera Inc. (San Carlos, Calif.).

"Methods for detecting immune cell DNA and monitoring immune system" was invented by Dina M. Hafez (Los Altos, Calif.), Prashanthi Natarajan (Foster City, Calif.), Raheleh Salari (San Carlos, Calif.), Ryan Swenerton (Millbrae, Calif.) and Bernhard Zimmermann (Manteca, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure herein provides methods and compositions for detecting or monitoring immune cell populations in biological samples. The methods and compositions disclosed herein are particularly useful for detecting or monitoring immune cell populations in patie...