Trademark Attorney / Law Firm
Dennis S. Prahl – Trademark Portfolio
With a filing history spanning 60 years (1938–2026), Dennis S. Prahl has represented clients in 3,643 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 1,594 trademarks have achieved registered status, while 402 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 3 (Cosmetics & Cleaning), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Dennis S. Prahl's trademark practice covers 20 Nice Classification classes, representing the range of industries and goods/services handled in their USPTO filings.
Scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments
Bleaching preparations and other substances for laundry use; cleaning, polishing, scouring
Advertising; business management; business administration; office functions
Scientific and technological services; industrial analysis and research services
Transport; packaging and storage of goods; travel arrangement
Paints, varnishes, lacquers; preservatives against rust and against deterioration of wood
Education; providing of training; entertainment; sporting and cultural activities
Frequently Asked Questions
How many trademark applications has Dennis S. Prahl filed?
Dennis S. Prahl has filed 3,643 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 1,594 registered, 402 pending, 768 abandoned, 744 cancelled.
What trademark classes does Dennis S. Prahl specialize in?
Dennis S. Prahl has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 3 (Cosmetics & Cleaning), Class 35 (Advertising & Business), Class 42 (Computer & Scientific), Class 39 (Transportation & Storage). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.
How long has Dennis S. Prahl been filing trademarks?
Dennis S. Prahl's trademark filing history with the USPTO spans from 1938 to 2026, covering 88 years of trademark practice. During this period, Dennis S. Prahl has handled 3,643 trademark applications.
What is Dennis S. Prahl's trademark registration success rate?
Dennis S. Prahl has a 51% trademark registration rate, with 1,594 out of 3,106 resolved applications resulting in successful registration. Currently, 402 applications are pending review.