Trademark Attorney / Law Firm
Zhirong Liu – Trademark Portfolio
With a filing history spanning 23 years (1991–2026), Zhirong Liu has represented clients in 6,837 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 5,824 trademarks have achieved registered status, while 111 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 25 (Clothing), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Zhirong Liu'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
Precious metals and their alloys; jewellery, precious stones; horological instruments
Leather and imitations of leather; animal skins, hides; trunks and travelling bags
Frequently Asked Questions
How many trademark applications has Zhirong Liu filed?
Zhirong Liu has filed 6,837 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 5,824 registered, 111 pending, 848 abandoned, 49 cancelled.
What trademark classes does Zhirong Liu specialize in?
Zhirong Liu has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 25 (Clothing), Class 21 (Housewares), Class 11 (Environmental Control), Class 28 (Toys & Sporting Goods). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.
How long has Zhirong Liu been filing trademarks?
Zhirong Liu's trademark filing history with the USPTO spans from 1991 to 2026, covering 35 years of trademark practice. During this period, Zhirong Liu has handled 6,837 trademark applications.
What is Zhirong Liu's trademark registration success rate?
Zhirong Liu has a 87% trademark registration rate, with 5,824 out of 6,721 resolved applications resulting in successful registration. Currently, 111 applications are pending review.