TrademarkDir

Trademark Attorney / Law Firm

David E. Koerner – Trademark Portfolio

With a filing history spanning 29 years (1955–2024), David E. Koerner has represented clients in 263 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 138 trademarks have achieved registered status, while 4 remain pending. Areas of expertise include Class 16 (Paper Goods) and Class 5 (Pharmaceuticals), among 20 Nice Classification classes represented.

263 Total Trademarks
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All (263) Registered (138) Pending (4) Abandoned (66) Cancelled (55)
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