QIAO Zhanxiong, partner, head of Patent Department, senior patent attorney, agent ad litem, graduated from major of machinery of Inner Mongolia University of Technology. Mr. Qiao has worked in large enterprises as product designer, workshop leader and manager of Equipment Department, and has a good technical understanding of machinery, especially complex mechanical structures. He entered the intellectual property service industry in 2013 and obtained the qualification as a patent attorney in the same year. He is good at patent mining, layout, invalidation, circumvention design, and invention reply, and has rich experience in patent infringement litigation and rights protection.