ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,991, issued on June 30, was assigned to Verizon Patent and Licensing Inc. (Basking Ridge, N.J.).

"System and method for controlling AKMA application keys for roaming mobile devices" was invented by Ye Huang (San Ramon, Calif.), Shanthala Kuravangi-Thammaiah (Keller, Texas), Vinod Kumar Choyi (Conshohocken, Pa.) and Ali Imdad Malik (East Brunswick, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device may include a processor. The processor may be configured to: receive, from an Application Function (AF), a request for an Authentication and Key Management for Applications (AKMA) Application key; and determine whether a User Equipment device (UE...