Trademark Attorney / Law Firm
Yuofong Chang Amato – Trademark Portfolio
Yuofong Chang Amato has 19 trademark filings recorded with the United States Patent and Trademark Office (USPTO). Of these, 11 trademarks are successfully registered — a 73% registration rate, with an additional 4 applications currently pending. The strongest areas of practice include Class 41 (Education & Entertainment) and Class 9 (Computers & Electronics). Filing activity has been recorded from 1990 through 2025, spanning 7 years.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Yuofong Chang Amato's trademark practice covers 8 Nice Classification classes, representing the range of industries and goods/services handled in their USPTO filings.
Education; providing of training; entertainment; sporting and cultural activities
Scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments
Bleaching preparations and other substances for laundry use; cleaning, polishing, scouring
Scientific and technological services; industrial analysis and research services
Legal services; security services for the protection of property and individuals
Advertising; business management; business administration; office functions
Frequently Asked Questions
How many trademark applications has Yuofong Chang Amato filed?
Yuofong Chang Amato has filed 19 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 11 registered, 4 pending, 2 abandoned, 2 cancelled.
What trademark classes does Yuofong Chang Amato specialize in?
Yuofong Chang Amato has filed trademarks across 8 Nice Classification classes. The most common practice areas include Class 41 (Education & Entertainment), Class 9 (Computers & Electronics), Class 3 (Cosmetics & Cleaning), Class 43 (Hotels & Restaurants), Class 25 (Clothing). Class 41 covers education; providing of training; entertainment; sporting and cultural activities.
How long has Yuofong Chang Amato been filing trademarks?
Yuofong Chang Amato's trademark filing history with the USPTO spans from 1990 to 2025, covering 35 years of trademark practice. During this period, Yuofong Chang Amato has handled 19 trademark applications.
What is Yuofong Chang Amato's trademark registration success rate?
Yuofong Chang Amato has a 73% trademark registration rate, with 11 out of 15 resolved applications resulting in successful registration. Currently, 4 applications are pending review.