Trademark Attorney / Law Firm

William Chang – Trademark Portfolio

With a filing history spanning 15 years (2002–2026), William Chang has represented clients in 136 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 45 trademarks have achieved registered status, while 65 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 7 (Machinery), among 20 Nice Classification classes represented.

136 Total Trademarks

All (136) Registered (45) Pending (65) Abandoned (24) Cancelled (1)

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All Years 2026 2025 2024 2023 2022 2019 2018 2017 2016 2014 2013 2012 2004 2003 2002

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Serial #78192892

Registered 2002

Practice Areas by Trademark Class

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

Computers & Electronics (18 filings)

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

Machinery (14 filings)

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

Clothing (14 filings)

Clothing, footwear, headgear

Housewares (10 filings)

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

Furniture (10 filings)

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

Hotels & Restaurants (9 filings)

Services for providing food and drink; temporary accommodation

Environmental Control (9 filings)

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

Advertising & Business (9 filings)

Advertising; business management; business administration; office functions

Toys & Sporting Goods (8 filings)

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

Staple Foods (8 filings)

Coffee, tea, cocoa and artificial coffee; rice; tapioca and sago; flour and preparations

Frequently Asked Questions

How many trademark applications has William Chang filed?

William Chang has filed 136 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 45 registered, 65 pending, 24 abandoned, 1 cancelled.

What trademark classes does William Chang specialize in?

William Chang has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 7 (Machinery), Class 25 (Clothing), Class 21 (Housewares), Class 20 (Furniture). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.

How long has William Chang been filing trademarks?

William Chang's trademark filing history with the USPTO spans from 2002 to 2026, covering 24 years of trademark practice. During this period, William Chang has handled 136 trademark applications.

What is William Chang's trademark registration success rate?

William Chang has a 64% trademark registration rate, with 45 out of 70 resolved applications resulting in successful registration. Currently, 65 applications are pending review.