TrademarkDir

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 471 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 135 trademarks have achieved registered status, while 4 remain pending. Areas of expertise include Class 13 (Firearms) and Class 9 (Computers & Electronics), among 20 Nice Classification classes represented.

471 Total Trademarks
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All (471) Registered (135) Pending (4) Abandoned (130) Cancelled (202)
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