Ms Xu represented a large number of trademark authorization and confirmation cases in Beijing Intellectual Property Court, including trademark rejection review administrative litigation, trademark invalidation administrative litigation, trademark revocation review administrative litigation cases. She is very familiar with the legal application and latest developments of trademark authorization confirmation cases.

Ms Xu has represented a number of trademark infringement cases, patent infringement cases and copyright infringement cases in courts across the country. Some of the cases involve representing rights holders in safeguarding intellectual property rights, and the other part involve acting on behalf of accused infringing parties in intellectual property infringement cases. Familiar with offensive and defensive strategies in intellectual property infringement cases.

During the period of lawyer practice, due to the connection with many enterprises, she also has certain practical experience in the drafting and review of enterprise management contracts, and is familiar with the business franchise registration affairs of enterprises.