TrademarkDir

Trademark Attorney / Law Firm

Tianchu Sun – Trademark Portfolio

With a filing history spanning 11 years (2015–2026), Tianchu Sun has represented clients in 1,758 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 503 trademarks have achieved registered status, while 1,245 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 20 (Furniture), among 20 Nice Classification classes represented.

1,758 Total Trademarks
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All (1,758) Registered (503) Pending (1,245) Abandoned (9)
All Years 2026 2025 2024 2023 2022 2021 2020 2019 2017 2016 2015
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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 (236 filings)

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

20
Furniture (207 filings)

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

21
Housewares (177 filings)

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

28
Toys & Sporting Goods (148 filings)

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

25
Clothing (133 filings)

Clothing, footwear, headgear

11
Environmental Control (115 filings)

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

7
Machinery (93 filings)

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

16
Paper Goods (68 filings)

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

12
Vehicles (66 filings)

Vehicles; apparatus for locomotion by land, air or water

18
Leather Goods (55 filings)

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 1,758 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 503 registered, 1,245 pending, 9 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 1,758 trademark applications.

What is Tianchu Sun's trademark registration success rate?

Tianchu Sun has a 98% trademark registration rate, with 503 out of 512 resolved applications resulting in successful registration. Currently, 1,245 applications are pending review.