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Trademark Attorney / Law Firm

Charles Ho – Trademark Portfolio

With a filing history spanning 34 years (1973–2026), Charles Ho has represented clients in 3,690 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 1,802 trademarks have achieved registered status, while 428 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 11 (Environmental Control), among 20 Nice Classification classes represented.

3,690 Total Trademarks
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All (3,690) Registered (1,802) Pending (428) Abandoned (702) Cancelled (604)
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 1995 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 (1,206 filings)

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

11
Environmental Control (282 filings)

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

7
Machinery (248 filings)

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

35
Advertising & Business (244 filings)

Advertising; business management; business administration; office functions

42
Computer & Scientific (207 filings)

Scientific and technological services; industrial analysis and research services

10
Medical Apparatus (190 filings)

Surgical, medical, dental and veterinary apparatus and instruments

21
Housewares (188 filings)

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

25
Clothing (188 filings)

Clothing, footwear, headgear

28
Toys & Sporting Goods (165 filings)

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

12
Vehicles (157 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 3,690 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 1,802 registered, 428 pending, 702 abandoned, 604 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 7 (Machinery), Class 35 (Advertising & Business), 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 3,690 trademark applications.

What is Charles Ho's trademark registration success rate?

Charles Ho has a 58% trademark registration rate, with 1,802 out of 3,108 resolved applications resulting in successful registration. Currently, 428 applications are pending review.