Mr. Xu's main areas of practice cover medical device, mechanics, electronics, communication and semiconductor, etc. Mr. Xu has extensive experience in dealing with multinational and domestic complicated patent issues, including patent application drafting,patent prosecution, patent re-examination and invalidation, analysis on patent validation and infringement, patent administrative and civil litigation, etc. Mr. Xu has represented a large number of well-known companies worldwide.

Ms. Zhang's major areas of practice are electronics, computer science, communication, semiconductor and automation, etc. Ms. Zhang has nearly ten years experience in providing legal services for multinational and domestic clients, specializing in patent prosecution, patent re-examination and invalidation and infringement analysis, etc.

Ms. Fu's major areas of practice cover semiconductor, mechanics, medical device and material science, etc. Ms. Fu has more than five years experience in patent prosecution including invention, utility model and design, and she has the expertise in patent drafting, responding to office actions, patent re-examination and invalidation, etc.