Trademark Attorney / Law Firm
Pei-Lun Chang – Trademark Portfolio
With a filing history spanning 11 years (1998–2026), Pei-Lun Chang has represented clients in 75 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 34 trademarks have achieved registered status, while 28 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 42 (Computer & Scientific), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Pei-Lun 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
Advertising; business management; business administration; office functions
Education; providing of training; entertainment; sporting and cultural activities
Games and playthings; gymnastic and sporting articles; decorations for Christmas trees
Insurance; financial affairs; monetary affairs; real estate affairs
Paper and cardboard; printed matter; bookbinding material; photographs; stationery
Frequently Asked Questions
How many trademark applications has Pei-Lun Chang filed?
Pei-Lun Chang has filed 75 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 34 registered, 28 pending, 5 abandoned, 6 cancelled.
What trademark classes does Pei-Lun Chang specialize in?
Pei-Lun Chang has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 42 (Computer & Scientific), Class 35 (Advertising & Business), Class 41 (Education & Entertainment), Class 43 (Hotels & Restaurants). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.
How long has Pei-Lun Chang been filing trademarks?
Pei-Lun Chang's trademark filing history with the USPTO spans from 1998 to 2026, covering 28 years of trademark practice. During this period, Pei-Lun Chang has handled 75 trademark applications.
What is Pei-Lun Chang's trademark registration success rate?
Pei-Lun Chang has a 76% trademark registration rate, with 34 out of 45 resolved applications resulting in successful registration. Currently, 28 applications are pending review.