Trademark Attorney / Law Firm
David Callahan – Trademark Portfolio
David Callahan specializes in Class 35 (Advertising & Business) trademark filings before the United States Patent and Trademark Office (USPTO), with 3 of 6 total filings concentrated in this category. The practice also covers Class 14 (Jewelry) along with 3 other Nice Classification classes. Filing activity spans from 1993 to 2024. Currently, 0 trademarks are registered.
Showing of trademarks Trademarks
Practice Areas by Trademark Class
David Callahan's trademark practice covers 3 Nice Classification classes, representing the range of industries and goods/services handled in their USPTO filings.
Frequently Asked Questions
How many trademark applications has David Callahan filed?
David Callahan has filed 6 trademark applications with the United States Patent and Trademark Office (USPTO).
What trademark classes does David Callahan specialize in?
David Callahan has filed trademarks across 3 Nice Classification classes. The most common practice areas include Class 35 (Advertising & Business), Class 14 (Jewelry), Class 25 (Clothing). Class 35 covers advertising; business management; business administration; office functions.
How long has David Callahan been filing trademarks?
David Callahan's trademark filing history with the USPTO spans from 1993 to 2024, covering 31 years of trademark practice. During this period, David Callahan has handled 6 trademark applications.
What is David Callahan's trademark registration success rate?
David Callahan has a 0% trademark registration rate, with 0 out of 6 resolved applications resulting in successful registration. Currently, 0 applications are pending review.