Trademark Attorney / Law Firm
Defeng Song – Trademark Portfolio
With a filing history spanning 11 years (2015–2026), Defeng Song has represented clients in 963 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 457 trademarks have achieved registered status, while 437 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 11 (Environmental Control), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Defeng Song's trademark practice covers 20 Nice Classification classes, representing the range of industries and goods/services handled in their USPTO filings.
Scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying
Games and playthings; gymnastic and sporting articles; decorations for Christmas trees
Advertising; business management; business administration; office functions
Bleaching preparations and other substances for laundry use; cleaning, polishing, scouring
Paper and cardboard; printed matter; bookbinding material; photographs; stationery
Frequently Asked Questions
How many trademark applications has Defeng Song filed?
Defeng Song has filed 963 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 457 registered, 437 pending, 66 abandoned.
What trademark classes does Defeng Song specialize in?
Defeng Song has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 11 (Environmental Control), Class 21 (Housewares), Class 20 (Furniture), Class 25 (Clothing). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.
How long has Defeng Song been filing trademarks?
Defeng Song's trademark filing history with the USPTO spans from 2015 to 2026, covering 11 years of trademark practice. During this period, Defeng Song has handled 963 trademark applications.
What is Defeng Song's trademark registration success rate?
Defeng Song has a 87% trademark registration rate, with 457 out of 523 resolved applications resulting in successful registration. Currently, 437 applications are pending review.