Trademark Attorney / Law Firm
Tianshu Chen – Trademark Portfolio
Tianshu Chen has 53 trademark filings recorded with the United States Patent and Trademark Office (USPTO). Of these, 24 trademarks are successfully registered — a 50% registration rate, with an additional 3 applications currently pending. The strongest areas of practice include Class 35 (Advertising & Business) and Class 34 (Smokers Articles). Filing activity has been recorded from 2018 through 2026, spanning 8 years.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Tianshu Chen'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
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying
Machines and machine tools; motors and engines; machine coupling and transmission components
Scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments
Bleaching preparations and other substances for laundry use; cleaning, polishing, scouring
Frequently Asked Questions
How many trademark applications has Tianshu Chen filed?
Tianshu Chen has filed 53 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 24 registered, 3 pending, 19 abandoned, 5 cancelled.
What trademark classes does Tianshu Chen specialize in?
Tianshu Chen has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 35 (Advertising & Business), Class 34 (Smokers Articles), Class 11 (Environmental Control), Class 43 (Hotels & Restaurants), Class 7 (Machinery). Class 35 covers advertising; business management; business administration; office functions.
How long has Tianshu Chen been filing trademarks?
Tianshu Chen's trademark filing history with the USPTO spans from 2018 to 2026, covering 8 years of trademark practice. During this period, Tianshu Chen has handled 53 trademark applications.
What is Tianshu Chen's trademark registration success rate?
Tianshu Chen has a 50% trademark registration rate, with 24 out of 48 resolved applications resulting in successful registration. Currently, 3 applications are pending review.