Trademark Attorney / Law Firm
Chao-Chang David Pai – Trademark Portfolio
With a filing history spanning 26 years (1992–2025), Chao-Chang David Pai has represented clients in 166 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 82 trademarks have achieved registered status, while 3 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 7 (Machinery), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Chao-Chang David Pai'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
Machines and machine tools; motors and engines; machine coupling and transmission components
Paper and cardboard; printed matter; bookbinding material; photographs; stationery
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying
Games and playthings; gymnastic and sporting articles; decorations for Christmas trees
Coffee, tea, cocoa and artificial coffee; rice; tapioca and sago; flour and preparations
Education; providing of training; entertainment; sporting and cultural activities
Frequently Asked Questions
How many trademark applications has Chao-Chang David Pai filed?
Chao-Chang David Pai has filed 166 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 82 registered, 3 pending, 31 abandoned, 50 cancelled.
What trademark classes does Chao-Chang David Pai specialize in?
Chao-Chang David Pai has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 7 (Machinery), Class 8 (Hand Tools), Class 16 (Paper Goods), Class 11 (Environmental Control). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.
How long has Chao-Chang David Pai been filing trademarks?
Chao-Chang David Pai's trademark filing history with the USPTO spans from 1992 to 2025, covering 33 years of trademark practice. During this period, Chao-Chang David Pai has handled 166 trademark applications.
What is Chao-Chang David Pai's trademark registration success rate?
Chao-Chang David Pai has a 50% trademark registration rate, with 82 out of 163 resolved applications resulting in successful registration. Currently, 3 applications are pending review.