Trademark Attorney / Law Firm

Timothy A. Duffy – Trademark Portfolio

With a filing history spanning 18 years (1975–2026), Timothy A. Duffy has represented clients in 2,909 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 2,252 trademarks have achieved registered status, while 353 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 21 (Housewares), among 20 Nice Classification classes represented.

2,909 Total Trademarks
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Practice Areas by Trademark Class

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

9
Computers & Electronics (466 filings)

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

21
Housewares (266 filings)

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

25
Clothing (241 filings)

Clothing, footwear, headgear

11
Environmental Control (220 filings)

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

28
Toys & Sporting Goods (207 filings)

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

20
Furniture (206 filings)

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

3
Cosmetics & Cleaning (119 filings)

Bleaching preparations and other substances for laundry use; cleaning, polishing, scouring

12
Vehicles (116 filings)

Vehicles; apparatus for locomotion by land, air or water

8
Hand Tools (101 filings)

Hand tools and implements (hand-operated); cutlery; side arms; razors

16
Paper Goods (100 filings)

Paper and cardboard; printed matter; bookbinding material; photographs; stationery

Frequently Asked Questions

How many trademark applications has Timothy A. Duffy filed?

Timothy A. Duffy has filed 2,909 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 2,252 registered, 353 pending, 284 abandoned, 15 cancelled.

What trademark classes does Timothy A. Duffy specialize in?

Timothy A. Duffy has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 21 (Housewares), Class 25 (Clothing), Class 11 (Environmental Control), Class 28 (Toys & Sporting Goods). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.

How long has Timothy A. Duffy been filing trademarks?

Timothy A. Duffy's trademark filing history with the USPTO spans from 1975 to 2026, covering 51 years of trademark practice. During this period, Timothy A. Duffy has handled 2,909 trademark applications.

What is Timothy A. Duffy's trademark registration success rate?

Timothy A. Duffy has a 88% trademark registration rate, with 2,252 out of 2,551 resolved applications resulting in successful registration. Currently, 353 applications are pending review.