Trademark Attorney / Law Firm
Charles L. Riddle – Trademark Portfolio
With a filing history spanning 29 years (1937–2026), Charles L. Riddle has represented clients in 1,517 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 697 trademarks have achieved registered status, while 207 remain pending. Areas of expertise include Class 41 (Education & Entertainment) and Class 35 (Advertising & Business), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Charles L. Riddle's trademark practice covers 20 Nice Classification classes, representing the range of industries and goods/services handled in their USPTO filings.
Education; providing of training; entertainment; sporting and cultural activities
Advertising; business management; business administration; office functions
Bleaching preparations and other substances for laundry use; cleaning, polishing, scouring
Scientific and technological services; industrial analysis and research services
Coffee, tea, cocoa and artificial coffee; rice; tapioca and sago; flour and preparations
Medical services; veterinary services; hygienic and beauty care for human beings or animals
Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes
Scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments
Frequently Asked Questions
How many trademark applications has Charles L. Riddle filed?
Charles L. Riddle has filed 1,517 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 697 registered, 207 pending, 494 abandoned, 118 cancelled.
What trademark classes does Charles L. Riddle specialize in?
Charles L. Riddle has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 41 (Education & Entertainment), Class 35 (Advertising & Business), Class 25 (Clothing), Class 3 (Cosmetics & Cleaning), Class 42 (Computer & Scientific). Class 41 covers education; providing of training; entertainment; sporting and cultural activities.
How long has Charles L. Riddle been filing trademarks?
Charles L. Riddle's trademark filing history with the USPTO spans from 1937 to 2026, covering 89 years of trademark practice. During this period, Charles L. Riddle has handled 1,517 trademark applications.
What is Charles L. Riddle's trademark registration success rate?
Charles L. Riddle has a 53% trademark registration rate, with 697 out of 1,309 resolved applications resulting in successful registration. Currently, 207 applications are pending review.