Trademark Attorney / Law Firm
Katrin Lewertoff – Trademark Portfolio
With a filing history spanning 52 years (1933–2026), Katrin Lewertoff has represented clients in 1,229 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 654 trademarks have achieved registered status, while 106 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 1,229 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 654 registered, 106 pending, 102 abandoned, 153 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 1,229 trademark applications.
What is Katrin Lewertoff's trademark registration success rate?
Katrin Lewertoff has a 72% trademark registration rate, with 654 out of 909 resolved applications resulting in successful registration. Currently, 106 applications are pending review.