Trademark Attorney / Law Firm
DAVID YAU – Trademark Portfolio
DAVID YAU specializes in Class 35 (Advertising & Business) trademark filings before the United States Patent and Trademark Office (USPTO), with 3 of 3 total filings concentrated in this category. The practice also covers Class 41 (Education & Entertainment) along with 4 other Nice Classification classes. Filing activity spans from 2025 to 2026. Currently, 0 trademarks are registered and 3 are pending.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
DAVID YAU's trademark practice covers 4 Nice Classification classes, representing the range of industries and goods/services handled in their USPTO filings.
Advertising; business management; business administration; office functions
Education; providing of training; entertainment; sporting and cultural activities
Coffee, tea, cocoa and artificial coffee; rice; tapioca and sago; flour and preparations
Frequently Asked Questions
How many trademark applications has DAVID YAU filed?
DAVID YAU has filed 3 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 3 pending.
What trademark classes does DAVID YAU specialize in?
DAVID YAU has filed trademarks across 4 Nice Classification classes. The most common practice areas include Class 35 (Advertising & Business), Class 41 (Education & Entertainment), Class 43 (Hotels & Restaurants), Class 30 (Staple Foods). Class 35 covers advertising; business management; business administration; office functions.
How long has DAVID YAU been filing trademarks?
DAVID YAU's trademark filing history with the USPTO spans from 2025 to 2026, covering 1 year of trademark practice. During this period, DAVID YAU has handled 3 trademark applications.