What type of agreement allows a real estate broker to use trademarks for marketing purposes among several brokers?

A franchise agreement is specifically designed to allow a real estate broker to operate under a larger brand's trademarks and marketing strategies. This type of agreement not only grants the broker the right to use the brand's name but also involves access to a suite of marketing materials and established business practices that enhance the broker's ability to attract customers.

In a franchise setup, the broker pays fees and adheres to certain operational standards set forth by the franchisor in exchange for utilizing its trademarks and benefits of brand recognition. This facilitates marketing across multiple locations and brokers, creating a consistent brand presence that can leverage the franchise's overall reputation in the marketplace.

While the other types of agreements mentioned may facilitate some form of collaboration or business relationship, they do not inherently provide the specific rights to use established trademarks like a franchise agreement does. A partnership agreement signifies a personal or legal partnership among entities, a marketing agreement generally refers to promotional strategies without trademark rights, and a cooperative agreement may involve collaboration but lacks the formal brand association provided by franchising. Thus, the franchise agreement stands out as the correct choice for this question.