TrademarkDir

Trademark Attorney / Law Firm

Katrin Lewertoff – Trademark Portfolio

With a filing history spanning 51 years (1933–2026), Katrin Lewertoff has represented clients in 1,186 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 641 trademarks have achieved registered status, while 108 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 42 (Computer & Scientific), among 20 Nice Classification classes represented.

1,186 Total Trademarks
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All (1,186) Registered (641) Pending (108) Abandoned (98) Cancelled (142)
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