September 26, 2025

A total of 2,096 trademark applications were filed with the United States Patent and Trademark Office on September 26, 2025. The leading classification was Class 9 (Computers & Electronics) with 298 filings, followed by Class 41 (Education & Entertainment). Standard character marks represented 77% of the day's submissions, with design marks accounting for 23%. This represents a 8.6% decrease compared to the previous filing day. Among the most active filers, Castle Biosciences Incorporated led with 34 filings, followed by COSTGO WHOLESALE INC.. Marek Krizka was the most active attorney of record for the day.