Trademark Attorney / Law Firm
William Chan – Trademark Portfolio
With a filing history spanning 21 years (2003–2026), William Chan has represented clients in 241 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 90 trademarks have achieved registered status, while 14 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 35 (Advertising & Business), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
William Chan's trademark practice covers 20 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
Advertising; business management; business administration; office functions
Education; providing of training; entertainment; sporting and cultural activities
Scientific and technological services; industrial analysis and research services
Insurance; financial affairs; monetary affairs; real estate affairs
Medical services; veterinary services; hygienic and beauty care for human beings or animals
Coffee, tea, cocoa and artificial coffee; rice; tapioca and sago; flour and preparations
Frequently Asked Questions
How many trademark applications has William Chan filed?
William Chan has filed 241 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 90 registered, 14 pending, 53 abandoned, 84 cancelled.
What trademark classes does William Chan specialize in?
William Chan has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 35 (Advertising & Business), Class 41 (Education & Entertainment), Class 43 (Hotels & Restaurants), Class 42 (Computer & Scientific). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.
How long has William Chan been filing trademarks?
William Chan's trademark filing history with the USPTO spans from 2003 to 2026, covering 23 years of trademark practice. During this period, William Chan has handled 241 trademark applications.
What is William Chan's trademark registration success rate?
William Chan has a 40% trademark registration rate, with 90 out of 227 resolved applications resulting in successful registration. Currently, 14 applications are pending review.