The United States Patent and Trademark Office (USPTO) has issued a design patent, USD1119633S1, for an "Anti-lost device" to Ugreen Group Limited. The patent, which has an effective date of March 24, 2026, includes several Cooperative Patent Classifications (CPC) such as G16H 10/60, G16H 20/30, G16H 40/67, G16H 50/70, and various A61B classifications related to medical monitoring.

This patent grant signifies the protection of a specific design for an anti-lost device. While this is a design patent and does not impose direct compliance obligations on other entities, it is relevant for manufacturers and innovators in the consumer electronics and health informatics sectors to be aware of existing intellectual property. Companies developing similar devices should review the patent details to ensure their designs do not infringe upon this granted patent.