Trademark Attorney / Law Firm
Robert D. Leighton – Trademark Portfolio
With a filing history spanning 54 years (1924–2026), Robert D. Leighton has represented clients in 789 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 539 trademarks have achieved registered status, while 66 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 35 (Advertising & Business), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Robert D. Leighton'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
Advertising; business management; business administration; office functions
Scientific and technological services; industrial analysis and research services
Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes
Education; providing of training; entertainment; sporting and cultural activities
Insurance; financial affairs; monetary affairs; real estate affairs
Meat, fish, poultry and game; meat extracts; preserved, frozen, dried and cooked fruits
Paper and cardboard; printed matter; bookbinding material; photographs; stationery
Frequently Asked Questions
How many trademark applications has Robert D. Leighton filed?
Robert D. Leighton has filed 789 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 539 registered, 66 pending, 100 abandoned, 84 cancelled.
What trademark classes does Robert D. Leighton specialize in?
Robert D. Leighton has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 35 (Advertising & Business), Class 15 (Musical Instruments), Class 42 (Computer & Scientific), Class 5 (Pharmaceuticals). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.
How long has Robert D. Leighton been filing trademarks?
Robert D. Leighton's trademark filing history with the USPTO spans from 1924 to 2026, covering 102 years of trademark practice. During this period, Robert D. Leighton has handled 789 trademark applications.
What is Robert D. Leighton's trademark registration success rate?
Robert D. Leighton has a 75% trademark registration rate, with 539 out of 723 resolved applications resulting in successful registration. Currently, 66 applications are pending review.