In the developing countries there is a new approach on the responsibility to the consumers. In these countries, consumers are always challenging with the vendors. One of the sources of these concerns is the extent of respect for consumer right by the companies. Researchers believe that notice to the consumer rights lead the firms to the better buyer-seller relations. The purpose of this research is evaluating of the relationship between the consumer rights and buyers-seller communications. The method of research is descriptive and studied 384 people of 65 companies in Iranian firms. The results of research indicated that the most important rights of consumers are: manufacturing regulations (pre-purchasing stage), confidence (in-purchasing stage) and packaging (post-purchasing stage). The research findings showed that the mentioned rights affect the relational marketing. Also to respect the consumer rights increase their commitment to the company and to reduces the conflict between seller and them.