Trademark Attorney / Law Firm

Charles Ho – Trademark Portfolio

With a filing history spanning 34 years (1973–2026), Charles Ho has represented clients in 3,749 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 1,817 trademarks have achieved registered status, while 446 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 11 (Environmental Control), among 20 Nice Classification classes represented.

3,749 Total Trademarks

All (3,749) Registered (1,817) Pending (446) Abandoned (709) Cancelled (621)

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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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Serial #79033620

Other 2006

KS-5

Cancelled 2006

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.

Computers & Electronics (1,223 filings)

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

Environmental Control (283 filings)

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

Machinery (254 filings)

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

Advertising & Business (250 filings)

Advertising; business management; business administration; office functions

Computer & Scientific (215 filings)

Scientific and technological services; industrial analysis and research services

Medical Apparatus (191 filings)

Surgical, medical, dental and veterinary apparatus and instruments

Housewares (189 filings)

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

Clothing (187 filings)

Clothing, footwear, headgear

Toys & Sporting Goods (168 filings)

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

Vehicles (158 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 3,749 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 1,817 registered, 446 pending, 709 abandoned, 621 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 3,749 trademark applications.

What is Charles Ho's trademark registration success rate?

Charles Ho has a 58% trademark registration rate, with 1,817 out of 3,147 resolved applications resulting in successful registration. Currently, 446 applications are pending review.