ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,456,140, issued on Oct. 28, was assigned to eBay Inc. (San Jose, Calif.).

"System, method, and computer storage media for employing user activity data of variants for improved search" was invented by Gurudatta Horantur Shivaswamy (Saratoga, Calif.), Linyin Wu (Cupertino, Calif.), Manish Harshad Shah (Milpitas, Calif.), Atcharavan Vajarapong (San Jose, Calif.), Xiaoyuan Wu (Shanghai), Jingying Wang (Shanghai), Maoquan Wang (Shanghai) and Yuyangzi Fu (Nantong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A first variant of a listing and a second variant of the listing are received. The listing describes an item for sale in an electronic marketplac...