TrademarkDir

Trademark Attorney / Law Firm

Sheldon H. Klein – Trademark Portfolio

With a filing history spanning 43 years (1980–2026), Sheldon H. Klein has represented clients in 1,293 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 254 trademarks have achieved registered status, while 22 remain pending. Areas of expertise include Class 42 (Computer & Scientific) and Class 9 (Computers & Electronics), among 20 Nice Classification classes represented.

1,293 Total Trademarks
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All (1,293) Registered (254) Pending (22) Abandoned (433) Cancelled (504)
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