Trademark Attorney / Law Firm
Duane A. Stewart III – Trademark Portfolio
With a filing history spanning 42 years (1934–2026), Duane A. Stewart III has represented clients in 544 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 252 trademarks have achieved registered status, while 54 remain pending. Areas of expertise include Class 35 (Advertising & Business) and Class 9 (Computers & Electronics), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Duane A. Stewart III's trademark practice covers 20 Nice Classification classes, representing the range of industries and goods/services handled in their USPTO filings.
Advertising; business management; business administration; office functions
Scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments
Education; providing of training; entertainment; sporting and cultural activities
Scientific and technological services; industrial analysis and research services
Building materials (non-metallic); non-metallic rigid pipes for building
Paints, varnishes, lacquers; preservatives against rust and against deterioration of wood
Coffee, tea, cocoa and artificial coffee; rice; tapioca and sago; flour and preparations
Insurance; financial affairs; monetary affairs; real estate affairs
Frequently Asked Questions
How many trademark applications has Duane A. Stewart III filed?
Duane A. Stewart III has filed 544 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 252 registered, 54 pending, 116 abandoned, 122 cancelled.
What trademark classes does Duane A. Stewart III specialize in?
Duane A. Stewart III has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 35 (Advertising & Business), Class 9 (Computers & Electronics), Class 41 (Education & Entertainment), Class 42 (Computer & Scientific), Class 19 (Building Materials). Class 35 covers advertising; business management; business administration; office functions.
How long has Duane A. Stewart III been filing trademarks?
Duane A. Stewart III's trademark filing history with the USPTO spans from 1934 to 2026, covering 92 years of trademark practice. During this period, Duane A. Stewart III has handled 544 trademark applications.
What is Duane A. Stewart III's trademark registration success rate?
Duane A. Stewart III has a 51% trademark registration rate, with 252 out of 490 resolved applications resulting in successful registration. Currently, 54 applications are pending review.