Door and Hardware Institute – Trademark Portfolio
Entity Type: 03
Door and Hardware Institute holds 18 U.S. trademarks filed with the United States Patent and Trademark Office (USPTO), with a strong focus on Class 41 (Education & Entertainment) — 9 filings in this category. The portfolio also extends into Class 42 (Computer & Scientific) across 4 Nice Classification classes. Currently, 9 trademarks are registered. Notable registered marks include AHC, DHC, DHI, DHT, and FDAI. The owner is based in Washington, DC.
3rd Floor North
2001 K Street, N.W.
Washington, DC 20006
Showing of trademarks Trademarks
Trademark Classifications
Door and Hardware Institute's trademark portfolio spans 4 Nice Classification classes, reflecting the scope of goods and services protected under their brand portfolio.
Education; providing of training; entertainment; sporting and cultural activities
Scientific and technological services; industrial analysis and research services
Advertising; business management; business administration; office functions
Frequently Asked Questions
How many trademarks does Door and Hardware Institute have?
Door and Hardware Institute has 18 U.S. trademarks filed with the USPTO. Of these, 9 registered, 4 abandoned, 5 cancelled.
What trademark classes does Door and Hardware Institute file in?
Door and Hardware Institute files trademarks across 4 Nice Classification classes. The most active classes are Class 41 (Education & Entertainment), Class 42 (Computer & Scientific), Class 35 (Advertising & Business), Class 25 (Clothing). Class 41 covers education; providing of training; entertainment; sporting and cultural activities.
What are Door and Hardware Institute's most well-known trademarks?
Door and Hardware Institute's registered trademark portfolio includes well-known marks such as AHC, DHC, DHI, DHT, and FDAI. These are among 9 currently registered trademarks in the portfolio.
What is Door and Hardware Institute's trademark registration success rate?
Door and Hardware Institute has a 50% trademark registration rate, with 9 out of 18 resolved applications resulting in successful registration. Currently, 0 applications are pending review.