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Trademark Attorney / Law Firm

Defeng Song – Trademark Portfolio

Defeng Song has 679 trademark filings recorded with the United States Patent and Trademark Office (USPTO). Of these, 300 trademarks are successfully registered — a 88% registration rate, with an additional 334 applications currently pending. The strongest areas of practice include Class 11 (Environmental Control) and Class 9 (Computers & Electronics). Filing activity has been recorded from 2015 through 2026, spanning 9 years.

679 Total Trademarks
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All (679) Registered (300) Pending (334) Abandoned (42)
All Years 2026 2025 2024 2023 2021 2020 2019 2018 2015
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