Trademark Attorney / Law Firm
Tianchu Sun – Trademark Portfolio
With a filing history spanning 11 years (2015–2026), Tianchu Sun has represented clients in 1,786 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 518 trademarks have achieved registered status, while 1,257 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
Leather and imitations of leather; animal skins, hides; trunks and travelling bags
Frequently Asked Questions
How many trademark applications has Tianchu Sun filed?
Tianchu Sun has filed 1,786 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 518 registered, 1,257 pending, 10 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 2015 to 2026, covering 11 years of trademark practice. During this period, Tianchu Sun has handled 1,786 trademark applications.
What is Tianchu Sun's trademark registration success rate?
Tianchu Sun has a 98% trademark registration rate, with 518 out of 528 resolved applications resulting in successful registration. Currently, 1,257 applications are pending review.