Yuxi Sun

BeijingDomestic Trademark Department

+86-10-6604 6730

+86-10-6641 5678

sunyx@ccpit-patent.com.cn

Qualification:

Trademark Attorney since 2024
Lawyer's Qualification since 2019

Languages:

Chinese and English

Education and Training:

Master of Law in International Law, School of International Law, China University of Political Science and Law, 2020-2023

Professional Experience:

Joined CCPIT Patent and Trademark Law Office in 2023

Practice Area:

Trademark Search and Watch, Administrative Protection of Trademark Right, Legal Opinion on Trademark Infringement, Trademark Validity Litigation, Licensing/Assignment of Trademark, Enforcement of Copyright, Administrative Protection of Copyrights, Infringement risks analysis, Copyright and software registration

Representative Cases:

In 2026, participated in representing a well-known e-commerce company in winning a second-instance administrative litigation concerning trademark invalidation, successfully reversing the unfavorable rulings from the first instance and the administrative stage. This cleared the obstacles for the registration of the client's long-pending core trademark in Class 5 "Pharmaceuticals," marked a milestone in the client's strategic deployment in the pharmaceutical and healthcare industry, and earned high praise from the client.

In 2025, participated in representing a well-known e-commerce company in winning the “Jingyan Jiangzao” series trademark opposition case, successfully safeguarding its legitimate rights and interests. This case was selected by the Beijing Trademark Association as one of the “Top 10 Typical Non-litigation Cases at the Beijing Trademark Office Stage in 2025.”