Trademark Attorney / Law Firm

Tianchu Sun – Trademark Portfolio

With a filing history spanning 10 years (2016–2026), Tianchu Sun has represented clients in 1,338 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 181 trademarks have achieved registered status, while 1,155 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 20 (Furniture), among 20 Nice Classification classes represented.

1,338 Total Trademarks
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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.

9
Computers & Electronics (176 filings)

Scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments

20
Furniture (164 filings)

Furniture, mirrors, picture frames; goods of wood, cork, reed, cane, wicker

21
Housewares (129 filings)

Household or kitchen utensils and containers; combs and sponges; brushes

28
Toys & Sporting Goods (117 filings)

Games and playthings; gymnastic and sporting articles; decorations for Christmas trees

25
Clothing (100 filings)

Clothing, footwear, headgear

11
Environmental Control (83 filings)

Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying

7
Machinery (67 filings)

Machines and machine tools; motors and engines; machine coupling and transmission components

16
Paper Goods (52 filings)

Paper and cardboard; printed matter; bookbinding material; photographs; stationery

12
Vehicles (48 filings)

Vehicles; apparatus for locomotion by land, air or water

3
Cosmetics & Cleaning (47 filings)

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 1,338 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 181 registered, 1,155 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 1,338 trademark applications.

What is Tianchu Sun's trademark registration success rate?

Tianchu Sun has a 99% trademark registration rate, with 181 out of 182 resolved applications resulting in successful registration. Currently, 1,155 applications are pending review.