Trademark Attorney / Law Firm
Charles F. Duffield – Trademark Portfolio
Charles F. Duffield has filed 29 trademarks with the United States Patent and Trademark Office (USPTO). Filing records span from 1984 to 1991, covering 7 years of intellectual property practice. The portfolio covers 12 Nice Classification classes, with the highest concentration in Class 9 (Computers & Electronics, 5 filings) and Class 35 (Advertising & Business, 4 filings).
Showing of trademarks Trademarks
Practice Areas by Trademark Class
Charles F. Duffield's trademark practice covers 12 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
Chemical products for industry, science, photography, agriculture, horticulture and forestry
Scientific and technological services; industrial analysis and research services
Common metals and their alloys; metal building materials; transportable buildings of metal
Machines and machine tools; motors and engines; machine coupling and transmission components
Leather and imitations of leather; animal skins, hides; trunks and travelling bags
Frequently Asked Questions
How many trademark applications has Charles F. Duffield filed?
Charles F. Duffield has filed 29 trademark applications with the United States Patent and Trademark Office (USPTO).
What trademark classes does Charles F. Duffield specialize in?
Charles F. Duffield has filed trademarks across 12 Nice Classification classes. The most common practice areas include Class 9 (Computers & Electronics), Class 35 (Advertising & Business), Class 1 (Chemicals), Class 25 (Clothing), Class 42 (Computer & Scientific). Class 9 covers scientific, nautical, surveying, photographic, cinematographic, optical apparatus and instruments.
How long has Charles F. Duffield been filing trademarks?
Charles F. Duffield's trademark filing history with the USPTO spans from 1984 to 1991, covering 7 years of trademark practice. During this period, Charles F. Duffield has handled 29 trademark applications.
What is Charles F. Duffield's trademark registration success rate?
Charles F. Duffield has a 0% trademark registration rate, with 0 out of 29 resolved applications resulting in successful registration. Currently, 0 applications are pending review.