Trademark Attorney / Law Firm
Brian D. Walker – Trademark Portfolio
With a filing history spanning 27 years (1989–2025), Brian D. Walker has represented clients in 127 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 37 trademarks have achieved registered status, while 6 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 42 (Computer & Scientific), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Brian D. Walker'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
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
Games and playthings; gymnastic and sporting articles; decorations for Christmas trees
Frequently Asked Questions
How many trademark applications has Brian D. Walker filed?
Brian D. Walker has filed 127 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 37 registered, 6 pending, 42 abandoned, 42 cancelled.
What trademark classes does Brian D. Walker specialize in?
Brian D. Walker has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 42 (Computer & Scientific), Class 35 (Advertising & Business), Class 10 (Medical Apparatus), Class 41 (Education & Entertainment). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.
How long has Brian D. Walker been filing trademarks?
Brian D. Walker's trademark filing history with the USPTO spans from 1989 to 2025, covering 36 years of trademark practice. During this period, Brian D. Walker has handled 127 trademark applications.
What is Brian D. Walker's trademark registration success rate?
Brian D. Walker has a 31% trademark registration rate, with 37 out of 121 resolved applications resulting in successful registration. Currently, 6 applications are pending review.