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 173 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 92 trademarks have achieved registered status, while 12 remain pending. Areas of expertise include Class 35 (Advertising & Business) and Class 42 (Computer & Scientific), 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.
Advertising; business management; business administration; office functions
Scientific and technological services; industrial analysis and research services
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
Legal services; security services for the protection of property and individuals
Frequently Asked Questions
How many trademark applications has Brian D. Siff filed?
Brian D. Siff has filed 173 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 92 registered, 12 pending, 38 abandoned, 31 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 35 (Advertising & Business), Class 42 (Computer & Scientific), Class 36 (Insurance & Financial), Class 9 (Computers & Electronics), Class 41 (Education & Entertainment). Class 35 covers advertising; business management; business administration; office functions.
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 173 trademark applications.
What is Brian D. Siff's trademark registration success rate?
Brian D. Siff has a 57% trademark registration rate, with 92 out of 161 resolved applications resulting in successful registration. Currently, 12 applications are pending review.