Trademark Attorney / Law Firm
Sean P. McMahon – Trademark Portfolio
With a filing history spanning 44 years (1972–2026), Sean P. McMahon has represented clients in 1,068 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 591 trademarks have achieved registered status, while 100 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 25 (Clothing), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Sean P. McMahon'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
Education; providing of training; entertainment; sporting and cultural activities
Advertising; business management; business administration; office functions
Machines and machine tools; motors and engines; machine coupling and transmission components
Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes
Frequently Asked Questions
How many trademark applications has Sean P. McMahon filed?
Sean P. McMahon has filed 1,068 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 591 registered, 100 pending, 145 abandoned, 142 cancelled.
What trademark classes does Sean P. McMahon specialize in?
Sean P. McMahon has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 25 (Clothing), Class 42 (Computer & Scientific), Class 41 (Education & Entertainment), Class 35 (Advertising & Business). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.
How long has Sean P. McMahon been filing trademarks?
Sean P. McMahon's trademark filing history with the USPTO spans from 1972 to 2026, covering 54 years of trademark practice. During this period, Sean P. McMahon has handled 1,068 trademark applications.
What is Sean P. McMahon's trademark registration success rate?
Sean P. McMahon has a 67% trademark registration rate, with 591 out of 878 resolved applications resulting in successful registration. Currently, 100 applications are pending review.