Merchandise contract brokerage system

A merchandise contract sub system which performs a brokerage operation in transmission and reception of merchandise information and contract information between a plurality of merchandise vendor information processing systems and a plurality of retailer information processing systems, said merchandise contract sub system comprising:

• an information storage unit that stores information;
• a retailer merchandise information registration unit that registers retailer merchandise information in the information storage unit in response to a request from one of the plurality of merchandise vendor information processing systems;
• a retailer merchandise information transmission unit that transmits the retailer merchandise information from the information storage unit to one of the plurality of retailer information processing systems, in response to a request from the one of the plurality of retailer information processing systems;
• a merchandise contract server program adapted to process a retailer merchandise information registration request, a retailer merchandise information reference request, and a merchandise vendor contract information transmission request;
• and
• a merchandise vendor contract information transmission unit that transmits merchandise vendor contract information to one of the plurality of merchandise vendor information processing systems in response to a request from one of the plurality of retailer information processing systems.

A retailing sub system that performs a brokerage operation in transmission and reception of merchandise information and contract information between a plurality of retailer information processing systems and a plurality of consumer information processing systems, said retailing sub system comprising:

• an information storage unit that stores information;
• a consumer merchandise information registration unit that registers consumer merchandise information in the information storage unit in response to a request from one of the plurality of consumer information processing systems;
• a consumer merchandise information transmission unit that transmits the consumer merchandise information from the information storage unit to one of the plurality of consumer information processing systems, in response to a request from the one of the plurality of consumer information processing systems;
• and
• a retailer contract information transmission unit that transmits retailer contract information to one of the plurality of retailer information processing system, in response to a request from one of the plurality of consumer information processing systems;
• and
• a retailing server program adapted to process a consumer merchandise information registration request message, a consumer merchandise information reference request message, and a retailer contract information transmission request message.