ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,938, issued on March 25, was assigned to Qdeck Inc. (Bellevue, Wash.).

"Delivering responses to queries expressed in natural language based on a dynamic document corpus" was invented by Luke Thomas DeVos (Pittsburgh), Timothy James Ireland II (Bellevue, Wash.), Abigail Lynn Ireland (Bellevue, Wash.), Siu Tang Leung (Seattle), Andrei Modoran (Bellevue, Wash.), Brad Steven Ostercamp (Carnation, Wash.) and Jagdeesh Prakasam (Mercer Island, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method generate answers to user queries by providing natural language responses containing direct citations to primary sources. The system comprises ...