ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,430,409, issued on Sept. 30, was assigned to Microsoft Technology Licensing LLC (Redmond, Wash.).

"Third party based pirated copy tracing" was invented by Xian Zhang (Redmond, Wash.), Xiaobing Guo (Redmond, Wash.), Yang Chen (Redmond, Wash.), Shuo Chen (Livingston, N.J.), Zhongxin Guo (Redmond, Wash.), Qiufeng Yin (Redmond, Wash.), Mao Yang (Redmond, Wash.) and Lidong Zhou (Redmond, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to implementations of the subject matter described herein, a solution is provided for pirated copy tracing based on a third party. In the solution, a report on a pirated copy of a digital content is received fro...