Trademark Attorney / Law Firm
David Yu – Trademark Portfolio
With a filing history spanning 19 years (1992–2026), David Yu has represented clients in 250 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 103 trademarks have achieved registered status, while 79 remain pending. Areas of expertise include Class 11 (Environmental Control) and Class 20 (Furniture), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
David Yu's trademark practice covers 20 Nice Classification classes, representing the range of industries and goods/services handled in their USPTO filings.
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying
Building materials (non-metallic); non-metallic rigid pipes for building
Advertising; business management; business administration; office functions
Coffee, tea, cocoa and artificial coffee; rice; tapioca and sago; flour and preparations
Scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments
Frequently Asked Questions
How many trademark applications has David Yu filed?
David Yu has filed 250 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 103 registered, 79 pending, 41 abandoned, 26 cancelled.
What trademark classes does David Yu specialize in?
David Yu has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 11 (Environmental Control), Class 20 (Furniture), Class 19 (Building Materials), Class 35 (Advertising & Business), Class 34 (Smokers Articles). Class 11 covers apparatus for lighting, heating, steam generating, cooking, refrigerating, drying.
How long has David Yu been filing trademarks?
David Yu's trademark filing history with the USPTO spans from 1992 to 2026, covering 34 years of trademark practice. During this period, David Yu has handled 250 trademark applications.
What is David Yu's trademark registration success rate?
David Yu has a 61% trademark registration rate, with 103 out of 170 resolved applications resulting in successful registration. Currently, 79 applications are pending review.