ALEXANDRIA, Va., April 7 -- United States Patent no. 12,598,227, issued on April 7, was assigned to NASDAQ INC. (New York).

"Systems and methods for controlling sign-on to web applications" was invented by Vladimir Mitevski (Rockville, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The described technology provides a single sign-on capability so that a user who is already signed on to a web application from a client application may not be required to sign-on again when he/she later needs access to the web application from the same or another client application. The technology also provides a multiple login prevention capability to detect multiple sign-on events using the same credentials and disable one ...