Trademark Attorney / Law Firm
EUGENE L. CHANG – Trademark Portfolio
EUGENE L. CHANG has 14 trademark filings recorded with the United States Patent and Trademark Office (USPTO). Of these, 12 trademarks are successfully registered — a 92% registration rate, with an additional 1 application currently pending. The strongest areas of practice include Class 44 (Medical Services) and Class 31 (Natural Agricultural Products). Filing activity has been recorded from 2011 through 2026, spanning 5 years.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
EUGENE L. CHANG's trademark practice covers 8 Nice Classification classes, representing the range of industries and goods/services handled in their USPTO filings.
Medical services; veterinary services; hygienic and beauty care for human beings or animals
Raw and unprocessed agricultural, aquacultural, horticultural and forestry products
Education; providing of training; entertainment; sporting and cultural activities
Advertising; business management; business administration; office functions
Scientific and technological services; industrial analysis and research services
Insurance; financial affairs; monetary affairs; real estate affairs
Frequently Asked Questions
How many trademark applications has EUGENE L. CHANG filed?
EUGENE L. CHANG has filed 14 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 12 registered, 1 pending, 1 abandoned.
What trademark classes does EUGENE L. CHANG specialize in?
EUGENE L. CHANG has filed trademarks across 8 Nice Classification classes. The most common practice areas include Class 44 (Medical Services), Class 31 (Natural Agricultural Products), Class 41 (Education & Entertainment), Class 43 (Hotels & Restaurants), Class 35 (Advertising & Business). Class 44 covers medical services; veterinary services; hygienic and beauty care for human beings or animals.
How long has EUGENE L. CHANG been filing trademarks?
EUGENE L. CHANG's trademark filing history with the USPTO spans from 2011 to 2026, covering 15 years of trademark practice. During this period, EUGENE L. CHANG has handled 14 trademark applications.
What is EUGENE L. CHANG's trademark registration success rate?
EUGENE L. CHANG has a 92% trademark registration rate, with 12 out of 13 resolved applications resulting in successful registration. Currently, 1 application is pending review.