ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,381,859, issued on Aug. 5, was assigned to CONVIDA WIRELESS LLC (Wilmington, Del.).

"Content security at service layer" was invented by Vinod Kumar Choyi (Conshohocken, Pa.), Yogendra C. Shah (Exton, Pa.), Dale N. Seed (Allentown, Pa.), Michael F. Starsinic (Newtown, Pa.), Shamim Akbar Rahman (Cote St. Luc, Canada), Quang Ly (North Wales, Pa.), Zhuo Chen (Claymont, Del.) and William Robert Flynn IV (Schwenksville, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Existing approaches to security within network, for instance oneM2M networks, are limited. For example, content might only be protected while the content is in transit between entities that tru...