Trademark Attorney / Law Firm
David L. Sigalow – Trademark Portfolio
With a filing history spanning 43 years (1980–2026), David L. Sigalow has represented clients in 5,000 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 1,261 trademarks have achieved registered status, while 131 remain pending. Areas of expertise include Class 41 (Education & Entertainment) and Class 9 (Computers & Electronics), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
David L. Sigalow'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
Scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments
Advertising; business management; business administration; office functions
Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes
Scientific and technological services; industrial analysis and research services
Insurance; financial affairs; monetary affairs; real estate affairs
Paper and cardboard; printed matter; bookbinding material; photographs; stationery
Bleaching preparations and other substances for laundry use; cleaning, polishing, scouring
Frequently Asked Questions
How many trademark applications has David L. Sigalow filed?
David L. Sigalow has filed 5,000 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 1,261 registered, 131 pending, 2,012 abandoned, 1,566 cancelled.
What trademark classes does David L. Sigalow specialize in?
David L. Sigalow has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 41 (Education & Entertainment), Class 9 (Computers & Electronics), Class 35 (Advertising & Business), Class 5 (Pharmaceuticals), Class 42 (Computer & Scientific). Class 41 covers education; providing of training; entertainment; sporting and cultural activities.
How long has David L. Sigalow been filing trademarks?
David L. Sigalow's trademark filing history with the USPTO spans from 1980 to 2026, covering 46 years of trademark practice. During this period, David L. Sigalow has handled 5,000 trademark applications.
What is David L. Sigalow's trademark registration success rate?
David L. Sigalow has a 26% trademark registration rate, with 1,261 out of 4,839 resolved applications resulting in successful registration. Currently, 131 applications are pending review.