Trademark Attorney / Law Firm
Ai-Tang Chang – Trademark Portfolio
Ai-Tang Chang specializes in Class 9 (Computers & Electronics) trademark filings before the United States Patent and Trademark Office (USPTO), with 67 of 101 total filings concentrated in this category. The practice also covers Class 42 (Computer & Scientific) along with 20 other Nice Classification classes. Filing activity spans from 1994 to 2024. Currently, 57 trademarks are registered and 8 are pending.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Ai-Tang 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
Scientific and technological services; industrial analysis and research services
Education; providing of training; entertainment; sporting and cultural activities
Paper and cardboard; printed matter; bookbinding material; photographs; stationery
Advertising; business management; business administration; office functions
Paints, varnishes, lacquers; preservatives against rust and against deterioration of wood
Games and playthings; gymnastic and sporting articles; decorations for Christmas trees
Insurance; financial affairs; monetary affairs; real estate affairs
Leather and imitations of leather; animal skins, hides; trunks and travelling bags
Frequently Asked Questions
How many trademark applications has Ai-Tang Chang filed?
Ai-Tang Chang has filed 101 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 57 registered, 8 pending, 20 abandoned, 16 cancelled.
What trademark classes does Ai-Tang Chang specialize in?
Ai-Tang Chang has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 42 (Computer & Scientific), Class 41 (Education & Entertainment), Class 16 (Paper Goods), Class 38 (Telecommunications). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.
How long has Ai-Tang Chang been filing trademarks?
Ai-Tang Chang's trademark filing history with the USPTO spans from 1994 to 2024, covering 30 years of trademark practice. During this period, Ai-Tang Chang has handled 101 trademark applications.
What is Ai-Tang Chang's trademark registration success rate?
Ai-Tang Chang has a 61% trademark registration rate, with 57 out of 93 resolved applications resulting in successful registration. Currently, 8 applications are pending review.