Trademark Attorney / Law Firm
Tianchu Sun – Trademark Portfolio
With a filing history spanning 10 years (2016–2026), Tianchu Sun has represented clients in 1,249 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 137 trademarks have achieved registered status, while 1,111 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 20 (Furniture), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Tianchu Sun'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
Games and playthings; gymnastic and sporting articles; decorations for Christmas trees
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying
Machines and machine tools; motors and engines; machine coupling and transmission components
Paper and cardboard; printed matter; bookbinding material; photographs; stationery
Bleaching preparations and other substances for laundry use; cleaning, polishing, scouring
Frequently Asked Questions
How many trademark applications has Tianchu Sun filed?
Tianchu Sun has filed 1,249 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 137 registered, 1,111 pending, 1 abandoned.
What trademark classes does Tianchu Sun specialize in?
Tianchu Sun has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 20 (Furniture), Class 21 (Housewares), Class 28 (Toys & Sporting Goods), Class 25 (Clothing). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.
How long has Tianchu Sun been filing trademarks?
Tianchu Sun's trademark filing history with the USPTO spans from 2016 to 2026, covering 10 years of trademark practice. During this period, Tianchu Sun has handled 1,249 trademark applications.
What is Tianchu Sun's trademark registration success rate?
Tianchu Sun has a 99% trademark registration rate, with 137 out of 138 resolved applications resulting in successful registration. Currently, 1,111 applications are pending review.