Trademark Attorney / Law Firm
Charles C.H. Wu – Trademark Portfolio
With a filing history spanning 28 years (1990–2025), Charles C.H. Wu has represented clients in 330 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 104 trademarks have achieved registered status, while 5 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 42 (Computer & Scientific), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Charles C.H. Wu'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
Scientific and technological services; industrial analysis and research services
Advertising; business management; business administration; office functions
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying
Insurance; financial affairs; monetary affairs; real estate affairs
Leather and imitations of leather; animal skins, hides; trunks and travelling bags
Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes
Bleaching preparations and other substances for laundry use; cleaning, polishing, scouring
Frequently Asked Questions
How many trademark applications has Charles C.H. Wu filed?
Charles C.H. Wu has filed 330 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 104 registered, 5 pending, 104 abandoned, 116 cancelled.
What trademark classes does Charles C.H. Wu specialize in?
Charles C.H. Wu has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 42 (Computer & Scientific), Class 35 (Advertising & Business), Class 25 (Clothing), Class 11 (Environmental Control). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.
How long has Charles C.H. Wu been filing trademarks?
Charles C.H. Wu's trademark filing history with the USPTO spans from 1990 to 2025, covering 35 years of trademark practice. During this period, Charles C.H. Wu has handled 330 trademark applications.
What is Charles C.H. Wu's trademark registration success rate?
Charles C.H. Wu has a 32% trademark registration rate, with 104 out of 324 resolved applications resulting in successful registration. Currently, 5 applications are pending review.