Trademark Attorney / Law Firm

Donna Berkelhammer – Trademark Portfolio

Donna Berkelhammer has 33 trademark filings recorded with the United States Patent and Trademark Office (USPTO). Of these, 15 trademarks are successfully registered — a 45% registration rate. The strongest areas of practice include Class 41 (Education & Entertainment) and Class 40 (Treatment & Processing). Filing activity has been recorded from 2015 through 2019, spanning 4 years.

33 Total Trademarks
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