Liwen Yu is now mainly practicing on patent prosecution, reexamination, invalidation, litigation and counseling, and actively works in software engineering, computer technology, hardware equipment, computer network engineering, computer application engineering, IT, robotics, artificial intelligence, smart phones, household appliances, medical equipment and so on.

Liwen obtained technical expertise through her study for Master of Engineering in computer application and Bachelor of Engineering in computer science and technology and work as a patent examiner for years. She has also systematically studied intellectual property laws and other laws and legal system.

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