TrademarkDir

Trademark Attorney / Law Firm

Michael C. Martensen – Trademark Portfolio

With a filing history spanning 21 years (1997–2026), Michael C. Martensen has represented clients in 314 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 121 trademarks have achieved registered status, while 32 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 42 (Computer & Scientific), among 20 Nice Classification classes represented.

314 Total Trademarks
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All (314) Registered (121) Pending (32) Abandoned (104) Cancelled (57)
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