ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,480, issued on Sept. 29, was assigned to Natera Inc. (San Carlos, Calif.).

"Methods for determination of transplant rejection" was invented by Phil Gauthier (Englewood, Colo.), Hossein Tabriziani (San Diego), Paul Van Hummelen (San Francisco) and Jessica Tang (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides methods for preparation and analysis of biological samples of transplant recipients for determination of transplant rejection, comprising: (a) measuring the amount of Torque teno virus (TTV) in a blood, plasma, serum, or urine sample of a transplant recipient; (b) measuring the amount of donor-deri...