TrademarkDir

Trademark Attorney / Law Firm

Calvin Chai – Trademark Portfolio

With a filing history spanning 28 years (1985–2026), Calvin Chai has represented clients in 3,709 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 3,048 trademarks have achieved registered status, while 185 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 11 (Environmental Control), among 20 Nice Classification classes represented.

3,709 Total Trademarks
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All (3,709) Registered (3,048) Pending (185) Abandoned (347) Cancelled (99)
All Years 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2006 2005 2004 2003 2002 1999 1991 1988 1985
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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 (820 filings)

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

11
Environmental Control (350 filings)

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

25
Clothing (329 filings)

Clothing, footwear, headgear

21
Housewares (302 filings)

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

28
Toys & Sporting Goods (269 filings)

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

20
Furniture (226 filings)

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

7
Machinery (152 filings)

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

18
Leather Goods (139 filings)

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

12
Vehicles (138 filings)

Vehicles; apparatus for locomotion by land, air or water

14
Jewelry (135 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 3,709 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 3,048 registered, 185 pending, 347 abandoned, 99 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 3,709 trademark applications.

What is Calvin Chai's trademark registration success rate?

Calvin Chai has a 87% trademark registration rate, with 3,048 out of 3,494 resolved applications resulting in successful registration. Currently, 185 applications are pending review.