U.S. federal trademark · Serial No. 76161523 · Reg. No. 2606859
"applicant is exercising legitimate control over the use of the mark in commerce by its members" - Only members who are in good standing and pay their yearly dues are the class of persons entitled to use the mark and their relationship to the Applicant would be members and the nature of the applicant's control over the use of the mark would be that it sets certain standards for its members, namely that the members of this organization are required to be certified interior designers and independent business owners
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.