ALEXANDRIA, Va., March 3 -- United States Patent no. 12,566,847, issued on March 3, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Protecting against unwanted messaging in instant messaging systems" was invented by Mattias Johansson (Dunwoody, Ga.), Cheng-Ta Lee (Cumming, Ga.), Michael Josiah Bolding (Smyrna, Ga.) and Yun Pan (Roswell, Ga.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Mechanisms are provided for delivering instant messages to recipient computing systems. An instant message is received for delivery to a recipient computing system (recipient) and is sent to the recipient which displays the instant message in a dialog interface. At substantially a same time, a lightweig...