ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,400,259, issued on Aug. 26, was assigned to Federal Home Loan Mortgage Corp. (McLean, Va.).

"Systems and methods of representing and executing grid rules as data models" was invented by Mark Seal (Viena, Va.), James Quarterly (Centerville, Va.), Suresh Kalkavery (Fairfax, Va.) and Li Chen (Fairfax, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, methods, and computer program products are provided for establishing and enforcing approval thresholds. One or more processors may receive approval threshold data from a plurality of grids including attributes that define an approval threshold and generate a rule set based on the approval threshold d...