Mr. Yang joined Bairui as a patent attorney in 2009 and now mainly focuses on domestic patent applications including drafting, response to office actions, re-examination, patent infringement and invalidation analysis. He is highly skilled at patent prosecution of agricultural machinery, manufacturing equipment, medical devices, electrical device, etc. Moreover, he is experienced in assisting clients in mining patents and discussing technical matters with engineers. As a result of his rich working experience in Bairui, he has obtained a profound understanding and acute perception of patent cases in the mechanical field and has formed a mature and stable working style.