Trademark Attorney / Law Firm
David R. Schaffer – Trademark Portfolio
With a filing history spanning 45 years (1935–2026), David R. Schaffer has represented clients in 995 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 486 trademarks have achieved registered status, while 93 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 42 (Computer & Scientific), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
David R. Schaffer'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
Scientific and technological services; industrial analysis and research services
Advertising; business management; business administration; office functions
Education; providing of training; entertainment; sporting and cultural activities
Insurance; financial affairs; monetary affairs; real estate affairs
Machines and machine tools; motors and engines; machine coupling and transmission components
Legal services; security services for the protection of property and individuals
Paper and cardboard; printed matter; bookbinding material; photographs; stationery
Frequently Asked Questions
How many trademark applications has David R. Schaffer filed?
David R. Schaffer has filed 995 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 486 registered, 93 pending, 186 abandoned, 216 cancelled.
What trademark classes does David R. Schaffer specialize in?
David R. Schaffer has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 42 (Computer & Scientific), Class 35 (Advertising & Business), Class 41 (Education & Entertainment), Class 37 (Building & Construction). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.
How long has David R. Schaffer been filing trademarks?
David R. Schaffer's trademark filing history with the USPTO spans from 1935 to 2026, covering 91 years of trademark practice. During this period, David R. Schaffer has handled 995 trademark applications.
What is David R. Schaffer's trademark registration success rate?
David R. Schaffer has a 55% trademark registration rate, with 486 out of 888 resolved applications resulting in successful registration. Currently, 93 applications are pending review.