Trademark Attorney / Law Firm
Duan Wu – Trademark Portfolio
With a filing history spanning 18 years (2002–2026), Duan Wu has represented clients in 90 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 33 trademarks have achieved registered status, while 15 remain pending. Areas of expertise include Class 35 (Advertising & Business) and Class 5 (Pharmaceuticals), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Duan Wu's trademark practice covers 20 Nice Classification classes, representing the range of industries and goods/services handled in their USPTO filings.
Advertising; business management; business administration; office functions
Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes
Scientific and technological services; industrial analysis and research services
Leather and imitations of leather; animal skins, hides; trunks and travelling bags
Coffee, tea, cocoa and artificial coffee; rice; tapioca and sago; flour and preparations
Paper and cardboard; printed matter; bookbinding material; photographs; stationery
Insurance; financial affairs; monetary affairs; real estate affairs
Scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments
Frequently Asked Questions
How many trademark applications has Duan Wu filed?
Duan Wu has filed 90 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 33 registered, 15 pending, 16 abandoned, 25 cancelled.
What trademark classes does Duan Wu specialize in?
Duan Wu has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 35 (Advertising & Business), Class 5 (Pharmaceuticals), Class 42 (Computer & Scientific), Class 18 (Leather Goods), Class 30 (Staple Foods). Class 35 covers advertising; business management; business administration; office functions.
How long has Duan Wu been filing trademarks?
Duan Wu's trademark filing history with the USPTO spans from 2002 to 2026, covering 24 years of trademark practice. During this period, Duan Wu has handled 90 trademark applications.
What is Duan Wu's trademark registration success rate?
Duan Wu has a 45% trademark registration rate, with 33 out of 74 resolved applications resulting in successful registration. Currently, 15 applications are pending review.