Trademark Attorney / Law Firm
Derek W. Yeung – Trademark Portfolio
Derek W. Yeung has 42 trademark filings recorded with the United States Patent and Trademark Office (USPTO). Of these, 18 trademarks are successfully registered — a 53% registration rate, with an additional 7 applications currently pending. The strongest areas of practice include Class 25 (Clothing) and Class 12 (Vehicles). Filing activity has been recorded from 2000 through 2026, spanning 9 years.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Derek W. Yeung's trademark practice covers 17 Nice Classification classes, representing the range of industries and goods/services handled in their USPTO filings.
Scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments
Leather and imitations of leather; animal skins, hides; trunks and travelling bags
Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes
Games and playthings; gymnastic and sporting articles; decorations for Christmas trees
Advertising; business management; business administration; office functions
Machines and machine tools; motors and engines; machine coupling and transmission components
Bleaching preparations and other substances for laundry use; cleaning, polishing, scouring
Frequently Asked Questions
How many trademark applications has Derek W. Yeung filed?
Derek W. Yeung has filed 42 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 18 registered, 7 pending, 7 abandoned, 9 cancelled.
What trademark classes does Derek W. Yeung specialize in?
Derek W. Yeung has filed trademarks across 17 Nice Classification classes. The most common practice areas include Class 25 (Clothing), Class 12 (Vehicles), Class 9 (Computers & Electronics), Class 18 (Leather Goods), Class 5 (Pharmaceuticals). Class 25 covers clothing, footwear, headgear.
How long has Derek W. Yeung been filing trademarks?
Derek W. Yeung's trademark filing history with the USPTO spans from 2000 to 2026, covering 26 years of trademark practice. During this period, Derek W. Yeung has handled 42 trademark applications.
What is Derek W. Yeung's trademark registration success rate?
Derek W. Yeung has a 53% trademark registration rate, with 18 out of 34 resolved applications resulting in successful registration. Currently, 7 applications are pending review.