Trademark Attorney / Law Firm

Patrick J. Concannon – Trademark Portfolio

With a filing history spanning 46 years (1922–2026), Patrick J. Concannon has represented clients in 2,248 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 1,008 trademarks have achieved registered status, while 173 remain pending. Areas of expertise include Class 42 (Computer & Scientific) and Class 35 (Advertising & Business), among 20 Nice Classification classes represented.

2,248 Total Trademarks