ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,873, issued on April 15, was assigned to Convida Wireless LLC (Wilmington, Del.).

"Systems and methods for service layer session migration and sharing" was invented by Dale N Seed (Allentown, Pa.), Guang Lu (Thornhill, Canada), Lijun Dong (San Diego), Hongkun Li (Malvern, Pa.), Xu Li (Plainsboro, N.J.), William Robert Flynn IV (Schwenksville, Pa.), Catalina M Mladin (Hatboro, Pa.) and Phillip Brown (Los Angles, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, devices, and systems for migration or sharing of existing M2M service layer sessions are disclosed. In one embodiment, a Session Migration and Sharing Function (SMSF) performs the ...