ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,736, issued on Dec. 9, was assigned to Dingtalk Holding (Cayman) Ltd. (Grand Cayman, Cayman Islands).

"Method and device for processing document and method and device for processing page" was invented by Yiyu Hu (Zhejiang, China) and Renquan Wang (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Method and device for processing document and method and device for processing page. The method may comprise: displaying a target document on a display interface (101); detecting an operation, which is executed by a user on the display interface, for drawing a specific shape, and obtaining a target area corresponding to the specific shape (102);...