Xiaojun Xu is now mainly practicing on patent prosecution, reexamination and invalidation, and actively works in mechanical engineering, medical equipment, electronic engineering, communication technology, daily necessities, material chemistry, life science, medicinal chemistry and so on.

Xiaojun obtained technical expertise through her study for Bachelor of Science in applied chemistry and work in mechanical and electronic engineering field as an engineer for years. She has also systematically studied patent and intellectual property laws and related laws and legal system.

Membership
- All China Patent Attorneys Association
- China Intellectual Property Society