Trademark Attorney / Law Firm
Charles Ho – Trademark Portfolio
With a filing history spanning 34 years (1973–2026), Charles Ho has represented clients in 3,749 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 1,817 trademarks have achieved registered status, while 446 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 11 (Environmental Control), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Charles Ho'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
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying
Machines and machine tools; motors and engines; machine coupling and transmission components
Advertising; business management; business administration; office functions
Scientific and technological services; industrial analysis and research services
Games and playthings; gymnastic and sporting articles; decorations for Christmas trees
Frequently Asked Questions
How many trademark applications has Charles Ho filed?
Charles Ho has filed 3,749 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 1,817 registered, 446 pending, 709 abandoned, 621 cancelled.
What trademark classes does Charles Ho specialize in?
Charles Ho has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 11 (Environmental Control), Class 7 (Machinery), Class 35 (Advertising & Business), Class 42 (Computer & Scientific). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.
How long has Charles Ho been filing trademarks?
Charles Ho's trademark filing history with the USPTO spans from 1973 to 2026, covering 53 years of trademark practice. During this period, Charles Ho has handled 3,749 trademark applications.
What is Charles Ho's trademark registration success rate?
Charles Ho has a 58% trademark registration rate, with 1,817 out of 3,147 resolved applications resulting in successful registration. Currently, 446 applications are pending review.