December 21, 2025

A total of 584 trademark applications were filed with the United States Patent and Trademark Office on December 21, 2025. The leading classification was Class 25 (Clothing) with 91 filings, followed by Class 41 (Education & Entertainment). Standard character marks represented 84% of the day's submissions, with design marks accounting for 16%. This represents a 8.3% decrease compared to the previous filing day. Among the most active filers, Xianting Wu led with 8 filings, followed by Chunmei Yu. Ruochen Liu was the most active attorney of record for the day.