ALEXANDRIA, Va., April 9 -- United States Patent no. 12,273,419, issued on April 8, was assigned to SHANGHAI BILIBILI TECHNOLOGY Co. LTD. (Shanghai).

"Method, client, and system for establishing P2P connection" was invented by Honglei Cui (Shanghai), Shunli Liang (Shanghai), Hanchao Zheng (Shanghai), Biao Hu (Shanghai) and Hao Wang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application provides techniques for establishing a P2P connection. The techniques comprise communicating with at least two auxiliary nodes to obtain answer messages returned by the at least two auxiliary nodes; determining, based on the answer messages, at least one public network address corresponding to an internal ne...