Trademark infringement Criterion Based on Common Civil Responsibility Roles and Trademarks Feature in Iran and United State

Loyalty and Trust of customers are precious from economical point of view for the trademark. Hence by infringement of trademark the abuser will earn profit of the owner. The main goal of the study is comparative evaluation of trademark refinement criterion between Iran and United States. For this purpose constitution, international convention and agreements, books, reports and literature were investigated and process of judgment and court decisions on trademark infringement was compared in Iran and United States of America. Results showed criterion to confirm similarity between two trademarks has emphasis on appearance, sound, spelling and dilution. Researchers believe that by increase in similarity between trademarks the process of infringement criterion will be less complicated. Results showed there is no clear and complete criterion description in Iranian Law. Also there is no clear evidence for differentiation of imitation and impersonation in Iranian Law. Result showed legal procedure has great potential to create trademark refinement criterion base on trademark characteristic and liability. Also results confirms that legal process in the United States with mentioned trademark infringement criterion has decreased argument into minimum for quality infringement criterion. Finally justifications to improve trademark roles and regulations was recommended.