Trademark Overview
On Wednesday, March 25, 2026, a trademark application was filed for YUNDUN with the United States Patent and Trademark Office. The USPTO has given the YUNDUN trademark a serial number of 99722936. The federal status of this trademark filing is NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER as of Wednesday, March 25, 2026. This trademark is owned by Xiamen Liuyi Optical Co., Ltd.. The YUNDUN trademark is filed in the Medical Instrument Products category with the following description:
Sunglasses; Sports sunglasses; Cyclists' sunglasses; Wraparound sunglasses; Sunglasses for skiing; Floatable sunglasses; Sunglasses incorporating wireless speakers and microphones; Sunglasses for pets; Sunglasses for children; Eyeglasses; Frames for spectacles and sunglasses; Sunglass lenses; Magnetic clip-on sunglass lenses; Cases for sunglasses; Sunglass pouches