Trademark Attorney / Law Firm
Diana Portna – Trademark Portfolio
With a filing history spanning 16 years (2003–2026), Diana Portna has represented clients in 1,223 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 541 trademarks have achieved registered status, while 593 remain pending. Areas of expertise include Class 9 (Computers & Electronics) and Class 35 (Advertising & Business), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Diana Portna'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
Advertising; business management; business administration; office functions
Scientific and technological services; industrial analysis and research services
Games and playthings; gymnastic and sporting articles; decorations for Christmas trees
Bleaching preparations and other substances for laundry use; cleaning, polishing, scouring
Education; providing of training; entertainment; sporting and cultural activities
Frequently Asked Questions
How many trademark applications has Diana Portna filed?
Diana Portna has filed 1,223 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 541 registered, 593 pending, 77 abandoned, 3 cancelled.
What trademark classes does Diana Portna specialize in?
Diana Portna has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 35 (Advertising & Business), Class 42 (Computer & Scientific), Class 12 (Vehicles), Class 25 (Clothing). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.
How long has Diana Portna been filing trademarks?
Diana Portna's trademark filing history with the USPTO spans from 2003 to 2026, covering 23 years of trademark practice. During this period, Diana Portna has handled 1,223 trademark applications.
What is Diana Portna's trademark registration success rate?
Diana Portna has a 87% trademark registration rate, with 541 out of 621 resolved applications resulting in successful registration. Currently, 593 applications are pending review.