Trademark Overview
On Thursday, May 15, 2025, a trademark application was filed for LEFEN with the United States Patent and Trademark Office. The USPTO has given the LEFEN trademark a serial number of 79428816. The federal status of this trademark filing is RESPONSE AFTER NON-FINAL ACTION - ENTERED as of Tuesday, January 13, 2026. This trademark is owned by Ascenda Electronics (Dongguan) Co., Ltd.. The LEFEN trademark is filed in the Advertising, Business and Retail Services category with the following description:
Online advertising and marketing services, namely, displaying goods on communication media for retail purposes; advertising and promotional services, namely, online promotion of computer networks and websites; sell for others, namely, sales promotion, providing online retail store services featuring aromatherapy products, mosquito repellent products and humidifiers; providing an online marketplace for buyers and sellers of goods and services; business management and organization consulting; records management services, namely, computer document indexing for others; advertising and advertisement services; online advertising on computer network; providing business information through the website; purchasing for others, namely, purchasing goods or services in the nature of aromatherapy products, mosquito repellent products and humidifiers for other enterprises, all of which are related to household appliances and devices for fragrance diffusion, air purification, and insect repellent purp...
