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Trademark Attorney / Law Firm

William E OBrien, Esq. – Trademark Portfolio

With a filing history spanning 30 years (1974–2025), William E OBrien, Esq. has represented clients in 387 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 226 trademarks have achieved registered status, while 49 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 42 (Computer & Scientific), among 20 Nice Classification classes represented.

387 Total Trademarks
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All (387) Registered (226) Pending (49) Abandoned (57) Cancelled (21)
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