ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,746,412, issued on Sept. 29, was assigned to Elekta Inc. (Atlanta).

"Method and system for treatment planning" was invented by Peter Voet (Atlanta), Chunhua Men (Atlanta) and Spencer Marshall (Brandon, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method may be provided to aid in radiation treatment planning, the method comprising: receiving a reference objective, the reference objective representing a goal to be achieved by a radiotherapy system; selecting a cost function associated with the reference objective from a plurality of cost functions, the selected cost function being associated with an assigned initial weight v...