Trademark Attorney / Law Firm
Francis J. Duffin – Trademark Portfolio
With a filing history spanning 57 years (1910–2025), Francis J. Duffin has represented clients in 3,693 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 952 trademarks have achieved registered status, while 72 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
Francis J. Duffin'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
Education; providing of training; entertainment; sporting and cultural activities
Scientific and technological services; industrial analysis and research services
Bleaching preparations and other substances for laundry use; cleaning, polishing, scouring
Paper and cardboard; printed matter; bookbinding material; photographs; stationery
Insurance; financial affairs; monetary affairs; real estate affairs
Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes
Frequently Asked Questions
How many trademark applications has Francis J. Duffin filed?
Francis J. Duffin has filed 3,693 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 952 registered, 72 pending, 1,245 abandoned, 1,355 cancelled.
What trademark classes does Francis J. Duffin specialize in?
Francis J. Duffin has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 35 (Advertising & Business), Class 41 (Education & Entertainment), Class 42 (Computer & Scientific), Class 3 (Cosmetics & Cleaning). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.
How long has Francis J. Duffin been filing trademarks?
Francis J. Duffin's trademark filing history with the USPTO spans from 1910 to 2025, covering 115 years of trademark practice. During this period, Francis J. Duffin has handled 3,693 trademark applications.
What is Francis J. Duffin's trademark registration success rate?
Francis J. Duffin has a 27% trademark registration rate, with 952 out of 3,552 resolved applications resulting in successful registration. Currently, 72 applications are pending review.