Trademark Attorney / Law Firm

Katharine Sullivan – Trademark Portfolio

Katharine Sullivan specializes in Class 3 (Cosmetics & Cleaning) trademark filings before the United States Patent and Trademark Office (USPTO), with 61 of 81 total filings concentrated in this category. The practice also covers Class 5 (Pharmaceuticals) along with 16 other Nice Classification classes. Filing activity spans from 1955 to 2026. Currently, 45 trademarks are registered and 36 are pending.

81 Total Trademarks
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