ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,430,009, issued on Sept. 30, was assigned to Beijing Zitiao Network Technology Co. Ltd. (Beijing).

"Prompt method and apparatus based on document sharing, device, and medium" was invented by Shuang Zhang (Beijing), Zhiwu Hu (Beijing) and Yibin Gao (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present invention relates to a prompt method and apparatus based on document sharing, a device, and a medium. The method comprises: receiving a display trigger operation of displaying a first document in a browser; sending attribute information of the first document to a server, the server being used for comparing the attribute informa...