Trademark Attorney / Law Firm
Richard Chang – Trademark Portfolio
With a filing history spanning 32 years (1979–2026), Richard Chang has represented clients in 133 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 76 trademarks have achieved registered status, while 22 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
Richard Chang'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
Games and playthings; gymnastic and sporting articles; decorations for Christmas trees
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying
Machines and machine tools; motors and engines; machine coupling and transmission components
Medical services; veterinary services; hygienic and beauty care for human beings or animals
Frequently Asked Questions
How many trademark applications has Richard Chang filed?
Richard Chang has filed 133 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 76 registered, 22 pending, 21 abandoned, 13 cancelled.
What trademark classes does Richard Chang specialize in?
Richard Chang has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 35 (Advertising & Business), Class 25 (Clothing), Class 41 (Education & Entertainment), Class 42 (Computer & Scientific). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.
How long has Richard Chang been filing trademarks?
Richard Chang's trademark filing history with the USPTO spans from 1979 to 2026, covering 47 years of trademark practice. During this period, Richard Chang has handled 133 trademark applications.
What is Richard Chang's trademark registration success rate?
Richard Chang has a 69% trademark registration rate, with 76 out of 110 resolved applications resulting in successful registration. Currently, 22 applications are pending review.