Trademark Attorney / Law Firm

John B. Greenberg – Trademark Portfolio

With a filing history spanning 44 years (1973–2026), John B. Greenberg has represented clients in 1,906 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 729 trademarks have achieved registered status, while 176 remain pending. Areas of expertise include Class 42 (Computer & Scientific) and Class 36 (Insurance & Financial), among 20 Nice Classification classes represented.

1,906 Total Trademarks
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