TrademarkDir

Trademark Attorney / Law Firm

Brian W. Chellgren – Trademark Portfolio

With a filing history spanning 40 years (1923–2026), Brian W. Chellgren has represented clients in 526 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 298 trademarks have achieved registered status, while 38 remain pending. Areas of expertise include Class 28 (Toys & Sporting Goods) and Class 9 (Computers & Electronics), among 20 Nice Classification classes represented.

526 Total Trademarks
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All (526) Registered (298) Pending (38) Abandoned (134) Cancelled (56)
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