Trademark Attorney / Law Firm
Shuang Chang – Trademark Portfolio
Shuang Chang has 36 trademark filings recorded with the United States Patent and Trademark Office (USPTO). Of these, 21 trademarks are successfully registered — a 64% registration rate, with an additional 3 applications currently pending. The strongest areas of practice include Class 9 (Computers & Electronics) and Class 15 (Musical Instruments). Filing activity has been recorded from 2015 through 2025, spanning 9 years.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Shuang Chang's trademark practice covers 15 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
Precious metals and their alloys; jewellery, precious stones; horological instruments
Leather and imitations of leather; animal skins, hides; trunks and travelling bags
Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes
Bleaching preparations and other substances for laundry use; cleaning, polishing, scouring
Frequently Asked Questions
How many trademark applications has Shuang Chang filed?
Shuang Chang has filed 36 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 21 registered, 3 pending, 2 abandoned, 10 cancelled.
What trademark classes does Shuang Chang specialize in?
Shuang Chang has filed trademarks across 15 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 15 (Musical Instruments), Class 11 (Environmental Control), Class 20 (Furniture), Class 14 (Jewelry). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.
How long has Shuang Chang been filing trademarks?
Shuang Chang's trademark filing history with the USPTO spans from 2015 to 2025, covering 10 years of trademark practice. During this period, Shuang Chang has handled 36 trademark applications.
What is Shuang Chang's trademark registration success rate?
Shuang Chang has a 64% trademark registration rate, with 21 out of 33 resolved applications resulting in successful registration. Currently, 3 applications are pending review.