ALEXANDRIA, Va., July 21 -- United States Patent no. 12,688,240, issued on July 21, was assigned to Intuit Inc. (Mountain View, Calif.).

"Computationally efficient search filter" was invented by Sophia Cui (Mountain View, Calif.) and Aashish Dhamdhere (Mountain View, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method including receiving a number of results to a query. The method also includes interweaving execution of regular expressions and prompts on the number of results. Interweaving removes negative results from the number of results. Interweaving continues until a stop condition is satisfied. Interweaving generates, after the stop condition is satisfied, final results including a subset of ...