Trademark Attorney / Law Firm
William L. Warren – Trademark Portfolio
With a filing history spanning 30 years (1948–2026), William L. Warren has represented clients in 304 trademark filings before the United States Patent and Trademark Office (USPTO). Over the course of this practice, 110 trademarks have achieved registered status, while 7 remain pending. Areas of expertise include Class 35 (Advertising & Business) and Class 42 (Computer & Scientific), among 20 Nice Classification classes represented.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
William L. Warren'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
Scientific and technological services; industrial analysis and research services
Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes
Education; providing of training; entertainment; sporting and cultural activities
Insurance; financial affairs; monetary affairs; real estate affairs
Chemical products for industry, science, photography, agriculture, horticulture and forestry
Medical services; veterinary services; hygienic and beauty care for human beings or animals
Bleaching preparations and other substances for laundry use; cleaning, polishing, scouring
Frequently Asked Questions
How many trademark applications has William L. Warren filed?
William L. Warren has filed 304 trademark applications with the United States Patent and Trademark Office (USPTO). Of these, 110 registered, 7 pending, 100 abandoned, 80 cancelled.
What trademark classes does William L. Warren specialize in?
William L. Warren has filed trademarks across 20 Nice Classification classes. The most common practice areas include Class 35 (Advertising & Business), Class 42 (Computer & Scientific), Class 10 (Medical Apparatus), Class 5 (Pharmaceuticals), Class 41 (Education & Entertainment). Class 35 covers advertising; business management; business administration; office functions.
How long has William L. Warren been filing trademarks?
William L. Warren's trademark filing history with the USPTO spans from 1948 to 2026, covering 78 years of trademark practice. During this period, William L. Warren has handled 304 trademark applications.
What is William L. Warren's trademark registration success rate?
William L. Warren has a 38% trademark registration rate, with 110 out of 290 resolved applications resulting in successful registration. Currently, 7 applications are pending review.