Trademark Attorney / Law Firm
Chia-Yu Chang – Trademark Portfolio
With a filing history spanning 13 years (1988–2026), Chia-Yu Chang has represented clients in 72 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 14 trademarks have achieved registered status, while 22 remain pending. Areas of expertise include Class 30 (Staple Foods) and Class 29 (Meats & Processed Foods), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Chia-Yu Chang's trademark practice covers 20 Nice Classification classes, representing the range of industries and goods/services handled in their USPTO filings.
Coffee, tea, cocoa and artificial coffee; rice; tapioca and sago; flour and preparations
Meat, fish, poultry and game; meat extracts; preserved, frozen, dried and cooked fruits
Bleaching preparations and other substances for laundry use; cleaning, polishing, scouring
Insurance; financial affairs; monetary affairs; real estate affairs
Lace and embroidery, ribbons and braid; buttons, hooks and eyes, pins and needles
Medical services; veterinary services; hygienic and beauty care for human beings or animals
Education; providing of training; entertainment; sporting and cultural activities
Scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments
Frequently Asked Questions
How many trademark applications has Chia-Yu Chang filed?
Chia-Yu Chang has filed 72 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 14 registered, 22 pending, 20 abandoned, 16 cancelled.
What trademark classes does Chia-Yu Chang specialize in?
Chia-Yu Chang has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 30 (Staple Foods), Class 29 (Meats & Processed Foods), Class 43 (Hotels & Restaurants), Class 25 (Clothing), Class 3 (Cosmetics & Cleaning). Class 30 covers coffee, tea, cocoa and artificial coffee; rice; tapioca and sago; flour and preparations.
How long has Chia-Yu Chang been filing trademarks?
Chia-Yu Chang's trademark filing history with the USPTO spans from 1988 to 2026, covering 38 years of trademark practice. During this period, Chia-Yu Chang has handled 72 trademark applications.
What is Chia-Yu Chang's trademark registration success rate?
Chia-Yu Chang has a 28% trademark registration rate, with 14 out of 50 resolved applications resulting in successful registration. Currently, 22 applications are pending review.