Since our establishment in 2000, we have prioritized providing a professional experience to you - our clients. We specialise in patent and trademark procurement, invalidation, and all forms of Intellectual Property litigation. Additionally, we provide IP strategy planning, IP counseling, IP research, IP innovation assessment, and IP investment services.
In 2025, our team consists of nearly 600 members, with around 80% specializing in patent prosecution, litigation, consulting, trademark and copyright services, and IP operations. The team includes PhDs, postdoctoral researchers, and over 70% hold a master’s degree or higher. It also features experts such as members of the Supreme People’s Court IP Case Guidance Research Base, national leaders in patent information, senior analysts, asset appraisers, and IP judicial appraisers.
We have provided professional services to clients such as Gree, State Grid, Mengniu Group, Geely, and Tsinghua University. Our service quality and efficiency have earned widespread recognition. As of today, our annual filing can up to 20000 applications.
With many years of practicing experience in Intellectual Property litigation and a sense of responsibility to provide customers with high-quality legal services, we have won lawsuits through reasonable litigation strategies, achieved many classic cases, and won the praise of the industry and the recognition of customers. Up to now, more than 4,000 patent invalidation, infringement
Sunshine has also undertaken more than 500 projects research, patent strategic planning, FTOs and Intellectual Property custody projects entrusted by the State Intellectual Property Office and the Local Intellectual Property Office and more than 200 enterprises.
At present, Sunshine Intellectual Property Group has developed into a well-known Intellectual Property service organization with global service strength. In China, branch offices have been established in Hong Kong, Suzhou, Shenzhen, Nantong, Wuxi, Nanjing, Shijiazhuang, Haikou, Foshan, Tianjin, Taiyuan, Hangzhou, Wenzhou, Nanchang, Changsha, Guangzhou, Wuhan, Tokyo, Silicon Valley, and Houston. More than 300 international partners cover more than 180 countries and regions around the world.
Culture

We assist in the construction of industry standards, following the national direction of intellectual property development. Through intellectual property services, we bridge international boundaries, safeguarding outstanding domestic innovative enterprises as they expand globally and helping excellent foreign companies develop in China.

In the increasingly developing future, Sunshine will remain true to its original mission, steadily advancing on the path of “striving to become the most respected intellectual property service institution.”

Innovation is the driving force behind the continuous growth of the company, allowing Sanju Sunshine to embrace the development of the times while providing clients with higher-quality intellectual property services.
Honors
Milestones
Partners



















Social Responsibility

Successful Charity Donation Event at Xibaipo Hope Primary School
