Trademark Attorney / Law Firm
Donald Ersler – Trademark Portfolio
With a filing history spanning 24 years (1994–2025), Donald Ersler has represented clients in 226 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 122 trademarks have achieved registered status, while 24 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
Donald Ersler'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
Machines and machine tools; motors and engines; machine coupling and transmission components
Education; providing of training; entertainment; sporting and cultural activities
Common metals and their alloys; metal building materials; transportable buildings of metal
Paper and cardboard; printed matter; bookbinding material; photographs; stationery
Frequently Asked Questions
How many trademark applications has Donald Ersler filed?
Donald Ersler has filed 226 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 122 registered, 24 pending, 14 abandoned, 2 cancelled.
What trademark classes does Donald Ersler specialize in?
Donald Ersler 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 7 (Machinery), Class 40 (Treatment & Processing). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.
How long has Donald Ersler been filing trademarks?
Donald Ersler's trademark filing history with the USPTO spans from 1994 to 2025, covering 31 years of trademark practice. During this period, Donald Ersler has handled 226 trademark applications.
What is Donald Ersler's trademark registration success rate?
Donald Ersler has a 88% trademark registration rate, with 122 out of 138 resolved applications resulting in successful registration. Currently, 24 applications are pending review.