Trademark Attorney / Law Firm
David M. O'Brian – Trademark Portfolio
With a filing history spanning 29 years (1990–2026), David M. O'Brian has represented clients in 238 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 84 trademarks have achieved registered status, while 8 remain pending. Areas of expertise include Class 35 (Advertising & Business) and Class 25 (Clothing), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
David M. O'Brian's trademark practice covers 20 Nice Classification classes, representing the range of industries and goods/services handled in their USPTO filings.
Advertising; business management; business administration; office functions
Chemical products for industry, science, photography, agriculture, horticulture and forestry
Education; providing of training; entertainment; sporting and cultural activities
Scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments
Scientific and technological services; industrial analysis and research services
Coffee, tea, cocoa and artificial coffee; rice; tapioca and sago; flour and preparations
Paper and cardboard; printed matter; bookbinding material; photographs; stationery
Meat, fish, poultry and game; meat extracts; preserved, frozen, dried and cooked fruits
Frequently Asked Questions
How many trademark applications has David M. O'Brian filed?
David M. O'Brian has filed 238 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 84 registered, 8 pending, 49 abandoned, 96 cancelled.
What trademark classes does David M. O'Brian specialize in?
David M. O'Brian has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 35 (Advertising & Business), Class 25 (Clothing), Class 1 (Chemicals), Class 41 (Education & Entertainment), Class 9 (Computers & Electronics). Class 35 covers advertising; business management; business administration; office functions.
How long has David M. O'Brian been filing trademarks?
David M. O'Brian's trademark filing history with the USPTO spans from 1990 to 2026, covering 36 years of trademark practice. During this period, David M. O'Brian has handled 238 trademark applications.
What is David M. O'Brian's trademark registration success rate?
David M. O'Brian has a 37% trademark registration rate, with 84 out of 229 resolved applications resulting in successful registration. Currently, 8 applications are pending review.