Trademark Attorney / Law Firm
Eugene Chang – Trademark Portfolio
With a filing history spanning 15 years (2000–2026), Eugene Chang has represented clients in 126 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 63 trademarks have achieved registered status, while 17 remain pending. Areas of expertise include Class 41 (Education & Entertainment) and Class 35 (Advertising & Business), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Eugene Chang's trademark practice covers 20 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
Advertising; business management; business administration; office functions
Medical services; veterinary services; hygienic and beauty care for human beings or animals
Insurance; financial affairs; monetary affairs; real estate affairs
Scientific and technological services; industrial analysis and research services
Raw and unprocessed agricultural, aquacultural, horticultural and forestry products
Scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments
Frequently Asked Questions
How many trademark applications has Eugene Chang filed?
Eugene Chang has filed 126 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 63 registered, 17 pending, 39 abandoned, 7 cancelled.
What trademark classes does Eugene Chang specialize in?
Eugene Chang has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 41 (Education & Entertainment), Class 35 (Advertising & Business), Class 43 (Hotels & Restaurants), Class 44 (Medical Services), Class 36 (Insurance & Financial). Class 41 covers education; providing of training; entertainment; sporting and cultural activities.
How long has Eugene Chang been filing trademarks?
Eugene Chang's trademark filing history with the USPTO spans from 2000 to 2026, covering 26 years of trademark practice. During this period, Eugene Chang has handled 126 trademark applications.
What is Eugene Chang's trademark registration success rate?
Eugene Chang has a 58% trademark registration rate, with 63 out of 109 resolved applications resulting in successful registration. Currently, 17 applications are pending review.