Trademark Attorney / Law Firm
Katrin Lewertoff – Trademark Portfolio
With a filing history spanning 52 years (1933–2026), Katrin Lewertoff has represented clients in 1,237 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 660 trademarks have achieved registered status, while 105 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
Katrin Lewertoff'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
Education; providing of training; entertainment; sporting and cultural activities
Paper and cardboard; printed matter; bookbinding material; photographs; stationery
Machines and machine tools; motors and engines; machine coupling and transmission components
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying
Frequently Asked Questions
How many trademark applications has Katrin Lewertoff filed?
Katrin Lewertoff has filed 1,237 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 660 registered, 105 pending, 102 abandoned, 154 cancelled.
What trademark classes does Katrin Lewertoff specialize in?
Katrin Lewertoff 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 33 (Wine & Spirits), Class 41 (Education & Entertainment). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.
How long has Katrin Lewertoff been filing trademarks?
Katrin Lewertoff's trademark filing history with the USPTO spans from 1933 to 2026, covering 93 years of trademark practice. During this period, Katrin Lewertoff has handled 1,237 trademark applications.
What is Katrin Lewertoff's trademark registration success rate?
Katrin Lewertoff has a 72% trademark registration rate, with 660 out of 916 resolved applications resulting in successful registration. Currently, 105 applications are pending review.