● Trademark registration filing ● Renewal, assignment,change and license of the trademark ● Trademark supervising ● Madrid trademark international application and individual foreign application ● Application of trademark opposition and response ● Application of trademark invalidation and response ● Well-known trademark approval,famous trademark application ● Trademark examination and strategic analysis for enterprises ● Formulate management system of trademark for enterprises ● Legal consultant of intellectual property for enterprises ● Design and analysis of trademark strategy