Trademark Attorney / Law Firm
JOHN C. MCMAHON – Trademark Portfolio
With a filing history spanning 39 years (1916–2025), JOHN C. MCMAHON has represented clients in 470 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 136 trademarks have achieved registered status, while 2 remain pending. Areas of expertise include Class 13 (Firearms) and Class 9 (Computers & Electronics), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
JOHN C. 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
Games and playthings; gymnastic and sporting articles; decorations for Christmas trees
Scientific and technological services; industrial analysis and research services
Advertising; business management; business administration; office functions
Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes
Paper and cardboard; printed matter; bookbinding material; photographs; stationery
Chemical products for industry, science, photography, agriculture, horticulture and forestry
Insurance; financial affairs; monetary affairs; real estate affairs
Frequently Asked Questions
How many trademark applications has JOHN C. MCMAHON filed?
JOHN C. MCMAHON has filed 470 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 136 registered, 2 pending, 130 abandoned, 202 cancelled.
What trademark classes does JOHN C. MCMAHON specialize in?
JOHN C. MCMAHON has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 13 (Firearms), Class 9 (Computers & Electronics), Class 28 (Toys & Sporting Goods), Class 42 (Computer & Scientific), Class 8 (Hand Tools). Class 13 covers firearms; ammunition and projectiles; explosives; fireworks.
How long has JOHN C. MCMAHON been filing trademarks?
JOHN C. MCMAHON's trademark filing history with the USPTO spans from 1916 to 2025, covering 109 years of trademark practice. During this period, JOHN C. MCMAHON has handled 470 trademark applications.
What is JOHN C. MCMAHON's trademark registration success rate?
JOHN C. MCMAHON has a 29% trademark registration rate, with 136 out of 468 resolved applications resulting in successful registration. Currently, 2 applications are pending review.