The United States Patent and Trademark Office (USPTO) has issued a design patent, USD1119751S1, for a portable power source. The patent was granted on March 24, 2026, to Shenzhen M&F E-Commerce Co., Ltd., with inventors Yuanyuan Shen and Chuqiao Lin. The application was filed on May 19, 2023, under application number 29892645 and includes one claim related to the design.

This patent grant signifies the protection of the unique visual appearance of the portable power source. Manufacturers in this space should be aware of this granted design patent to avoid potential infringement of the assignee's intellectual property rights. While this is a design patent and does not cover the functional aspects of the device, it can restrict the aesthetic design of competing products.