ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,701,136, issued on Aug. 4, was assigned to MasterCard International Inc. (Purchase, N.Y.).

"Artificial intelligence based electronic mail classification" was invented by Noa Monheimer (Snohomish, Wash.) and Adrienn Juhasz (Budapest, Hungary).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to methods and systems of email address classification. A system may generate features based on an email address. The features may include an identity-graph based feature that indicates a number of identity data points associated with the email address, an email tumbling based feature that indicates whether the email address has been tumbled, and a ...