Trademark Attorney / Law Firm

Gregg Donnenfeld – Trademark Portfolio

With a filing history spanning 50 years (1905–2026), Gregg Donnenfeld has represented clients in 954 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 406 trademarks have achieved registered status, while 139 remain pending. Areas of expertise include Class 25 (Clothing) and Class 35 (Advertising & Business), among 20 Nice Classification classes represented.

954 Total Trademarks
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