Trademark Attorney / Law Firm
Brian D. Siff – Trademark Portfolio
With a filing history spanning 27 years (1989–2026), Brian D. Siff has represented clients in 177 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 92 trademarks have achieved registered status, while 14 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
Brian D. Siff'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
Insurance; financial affairs; monetary affairs; real estate affairs
Scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments
Education; providing of training; entertainment; sporting and cultural activities
Frequently Asked Questions
How many trademark applications has Brian D. Siff filed?
Brian D. Siff has filed 177 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 92 registered, 14 pending, 38 abandoned, 33 cancelled.
What trademark classes does Brian D. Siff specialize in?
Brian D. Siff has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 42 (Computer & Scientific), Class 35 (Advertising & Business), Class 36 (Insurance & Financial), Class 9 (Computers & Electronics), Class 41 (Education & Entertainment). Class 42 covers scientific and technological services; industrial analysis and research services.
How long has Brian D. Siff been filing trademarks?
Brian D. Siff's trademark filing history with the USPTO spans from 1989 to 2026, covering 37 years of trademark practice. During this period, Brian D. Siff has handled 177 trademark applications.
What is Brian D. Siff's trademark registration success rate?
Brian D. Siff has a 56% trademark registration rate, with 92 out of 163 resolved applications resulting in successful registration. Currently, 14 applications are pending review.