Trademark Attorney / Law Firm
Mark S. Leonardo – Trademark Portfolio
With a filing history spanning 34 years (1975–2025), Mark S. Leonardo has represented clients in 1,085 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 230 trademarks have achieved registered status, while 16 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 35 (Advertising & Business), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Mark S. Leonardo'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
Advertising; business management; business administration; office functions
Scientific and technological services; industrial analysis and research services
Insurance; financial affairs; monetary affairs; real estate affairs
Education; providing of training; entertainment; sporting and cultural activities
Medical services; veterinary services; hygienic and beauty care for human beings or animals
Coffee, tea, cocoa and artificial coffee; rice; tapioca and sago; flour and preparations
Frequently Asked Questions
How many trademark applications has Mark S. Leonardo filed?
Mark S. Leonardo has filed 1,085 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 230 registered, 16 pending, 397 abandoned, 427 cancelled.
What trademark classes does Mark S. Leonardo specialize in?
Mark S. Leonardo has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 35 (Advertising & Business), Class 42 (Computer & Scientific), Class 36 (Insurance & Financial), Class 41 (Education & Entertainment). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.
How long has Mark S. Leonardo been filing trademarks?
Mark S. Leonardo's trademark filing history with the USPTO spans from 1975 to 2025, covering 50 years of trademark practice. During this period, Mark S. Leonardo has handled 1,085 trademark applications.
What is Mark S. Leonardo's trademark registration success rate?
Mark S. Leonardo has a 22% trademark registration rate, with 230 out of 1,054 resolved applications resulting in successful registration. Currently, 16 applications are pending review.