Trademark Attorney / Law Firm
Mark A. Jansen – Trademark Portfolio
With a filing history spanning 37 years (1973–2026), Mark A. Jansen has represented clients in 1,762 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 830 trademarks have achieved registered status, while 409 remain pending. Areas of expertise include Class 42 (Computer & Scientific) and Class 9 (Computers & Electronics), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Mark A. Jansen's trademark practice covers 20 Nice Classification classes, representing the range of industries and goods/services handled in their USPTO filings.
Scientific and technological services; industrial analysis and research services
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
Insurance; financial affairs; monetary affairs; real estate affairs
Legal services; security services for the protection of property and individuals
Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes
Medical services; veterinary services; hygienic and beauty care for human beings or animals
Frequently Asked Questions
How many trademark applications has Mark A. Jansen filed?
Mark A. Jansen has filed 1,762 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 830 registered, 409 pending, 318 abandoned, 198 cancelled.
What trademark classes does Mark A. Jansen specialize in?
Mark A. Jansen has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 42 (Computer & Scientific), Class 9 (Computers & Electronics), Class 35 (Advertising & Business), Class 41 (Education & Entertainment), Class 36 (Insurance & Financial). Class 42 covers scientific and technological services; industrial analysis and research services.
How long has Mark A. Jansen been filing trademarks?
Mark A. Jansen's trademark filing history with the USPTO spans from 1973 to 2026, covering 53 years of trademark practice. During this period, Mark A. Jansen has handled 1,762 trademark applications.
What is Mark A. Jansen's trademark registration success rate?
Mark A. Jansen has a 62% trademark registration rate, with 830 out of 1,346 resolved applications resulting in successful registration. Currently, 409 applications are pending review.