Trademark Attorney / Law Firm
Dutro E. Campbell II – Trademark Portfolio
With a filing history spanning 18 years (1999–2025), Dutro E. Campbell II has represented clients in 379 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 172 trademarks have achieved registered status, while 43 remain pending. Areas of expertise include Class 42 (Computer & Scientific) and Class 35 (Advertising & Business), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Dutro E. Campbell II's trademark practice covers 20 Nice Classification classes, representing the range of industries and goods/services handled in their USPTO filings.
Scientific and technological services; industrial analysis and research services
Advertising; business management; business administration; office functions
Education; providing of training; entertainment; sporting and cultural activities
Medical services; veterinary services; hygienic and beauty care for human beings or animals
Bleaching preparations and other substances for laundry use; cleaning, polishing, scouring
Paper and cardboard; printed matter; bookbinding material; photographs; stationery
Scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments
Insurance; financial affairs; monetary affairs; real estate affairs
Frequently Asked Questions
How many trademark applications has Dutro E. Campbell II filed?
Dutro E. Campbell II has filed 379 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 172 registered, 43 pending, 110 abandoned, 54 cancelled.
What trademark classes does Dutro E. Campbell II specialize in?
Dutro E. Campbell II has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 42 (Computer & Scientific), Class 35 (Advertising & Business), Class 41 (Education & Entertainment), Class 44 (Medical Services), Class 3 (Cosmetics & Cleaning). Class 42 covers scientific and technological services; industrial analysis and research services.
How long has Dutro E. Campbell II been filing trademarks?
Dutro E. Campbell II's trademark filing history with the USPTO spans from 1999 to 2025, covering 26 years of trademark practice. During this period, Dutro E. Campbell II has handled 379 trademark applications.
What is Dutro E. Campbell II's trademark registration success rate?
Dutro E. Campbell II has a 51% trademark registration rate, with 172 out of 336 resolved applications resulting in successful registration. Currently, 43 applications are pending review.