Trademark Attorney / Law Firm

Calvin Chai – Trademark Portfolio

With a filing history spanning 28 years (1985–2026), Calvin Chai has represented clients in 3,698 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 3,010 trademarks have achieved registered status, while 196 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 11 (Environmental Control), among 20 Nice Classification classes represented.

3,698 Total Trademarks
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Practice Areas by Trademark Class

Calvin Chai's trademark practice covers 20 Nice Classification classes, representing the range of industries and goods/services handled in their USPTO filings.

9
Computers & Electronics (823 filings)

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

11
Environmental Control (343 filings)

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

25
Clothing (324 filings)

Clothing, footwear, headgear

21
Housewares (301 filings)

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

28
Toys & Sporting Goods (270 filings)

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

20
Furniture (232 filings)

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

7
Machinery (155 filings)

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

18
Leather Goods (138 filings)

Leather and imitations of leather; animal skins, hides; trunks and travelling bags

12
Vehicles (136 filings)

Vehicles; apparatus for locomotion by land, air or water

14
Jewelry (134 filings)

Precious metals and their alloys; jewellery, precious stones; horological instruments

Frequently Asked Questions

How many trademark applications has Calvin Chai filed?

Calvin Chai has filed 3,698 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 3,010 registered, 196 pending, 349 abandoned, 112 cancelled.

What trademark classes does Calvin Chai specialize in?

Calvin Chai has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 11 (Environmental Control), Class 25 (Clothing), Class 21 (Housewares), Class 28 (Toys & Sporting Goods). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.

How long has Calvin Chai been filing trademarks?

Calvin Chai's trademark filing history with the USPTO spans from 1985 to 2026, covering 41 years of trademark practice. During this period, Calvin Chai has handled 3,698 trademark applications.

What is Calvin Chai's trademark registration success rate?

Calvin Chai has a 87% trademark registration rate, with 3,010 out of 3,471 resolved applications resulting in successful registration. Currently, 196 applications are pending review.