Trademark Attorney / Law Firm

Tsan Abrahamson – Trademark Portfolio

With a filing history spanning 47 years (1970–2026), Tsan Abrahamson has represented clients in 2,342 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 957 trademarks have achieved registered status, while 276 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 42 (Computer & Scientific), among 20 Nice Classification classes represented.

2,342 Total Trademarks
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UMI
UMI
Registered 1991

Practice Areas by Trademark Class

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

9
Computers & Electronics (563 filings)

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

42
Computer & Scientific (499 filings)

Scientific and technological services; industrial analysis and research services

41
Education & Entertainment (353 filings)

Education; providing of training; entertainment; sporting and cultural activities

35
Advertising & Business (331 filings)

Advertising; business management; business administration; office functions

16
Paper Goods (273 filings)

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

36
Insurance & Financial (178 filings)

Insurance; financial affairs; monetary affairs; real estate affairs

10
Medical Apparatus (115 filings)

Surgical, medical, dental and veterinary apparatus and instruments

38
Telecommunications (108 filings)

Telecommunications

28
Toys & Sporting Goods (66 filings)

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

45
Legal & Security Services (57 filings)

Legal services; security services for the protection of property and individuals

Frequently Asked Questions

How many trademark applications has Tsan Abrahamson filed?

Tsan Abrahamson has filed 2,342 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 957 registered, 276 pending, 692 abandoned, 413 cancelled.

What trademark classes does Tsan Abrahamson specialize in?

Tsan Abrahamson has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 42 (Computer & Scientific), Class 41 (Education & Entertainment), Class 35 (Advertising & Business), Class 16 (Paper Goods). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.

How long has Tsan Abrahamson been filing trademarks?

Tsan Abrahamson's trademark filing history with the USPTO spans from 1970 to 2026, covering 56 years of trademark practice. During this period, Tsan Abrahamson has handled 2,342 trademark applications.

What is Tsan Abrahamson's trademark registration success rate?

Tsan Abrahamson has a 46% trademark registration rate, with 957 out of 2,062 resolved applications resulting in successful registration. Currently, 276 applications are pending review.