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Trademark Attorney / Law Firm

Charles Ho – Trademark Portfolio

With a filing history spanning 33 years (1973–2026), Charles Ho has represented clients in 3,644 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 1,764 trademarks have achieved registered status, while 451 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 11 (Environmental Control), among 20 Nice Classification classes represented.

3,644 Total Trademarks
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All (3,644) Registered (1,764) Pending (451) Abandoned (688) Cancelled (591)
All Years 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 1999 1997 1996 1994 1992 1986 1983 1973
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Practice Areas by Trademark Class

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

9
Computers & Electronics (1,186 filings)

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

11
Environmental Control (278 filings)

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

35
Advertising & Business (240 filings)

Advertising; business management; business administration; office functions

7
Machinery (240 filings)

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

42
Computer & Scientific (201 filings)

Scientific and technological services; industrial analysis and research services

10
Medical Apparatus (189 filings)

Surgical, medical, dental and veterinary apparatus and instruments

21
Housewares (187 filings)

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

25
Clothing (187 filings)

Clothing, footwear, headgear

28
Toys & Sporting Goods (164 filings)

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

12
Vehicles (155 filings)

Vehicles; apparatus for locomotion by land, air or water

Frequently Asked Questions

How many trademark applications has Charles Ho filed?

Charles Ho has filed 3,644 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 1,764 registered, 451 pending, 688 abandoned, 591 cancelled.

What trademark classes does Charles Ho specialize in?

Charles Ho has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 11 (Environmental Control), Class 35 (Advertising & Business), Class 7 (Machinery), Class 42 (Computer & Scientific). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.

How long has Charles Ho been filing trademarks?

Charles Ho's trademark filing history with the USPTO spans from 1973 to 2026, covering 53 years of trademark practice. During this period, Charles Ho has handled 3,644 trademark applications.

What is Charles Ho's trademark registration success rate?

Charles Ho has a 58% trademark registration rate, with 1,764 out of 3,043 resolved applications resulting in successful registration. Currently, 451 applications are pending review.