Beijing Sanyou Intellectual Property Agency


16th Fl. Block A, Corporate Square, No.35 Jinrong Street


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Managing Partner/Patent Attorney/Attorney-at-law: Xiaolin Dang
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Quick facts:

Firm - Year of Establishment: 1986
Number of Partners: 45
Total Number of IP Practitioners: 200
Languages Spoken at the Firm: Chinese/English/Japanese
Network Memberships: INTA, AIPPI, LES, ACPAA, CTA

Founded in 1986, Beijing Sanyou Intellectual Property Agency Ltd is the first private IP firm in China.
As a leading IP law firm, Sanyou IP helps domestic and international clients to obtain and enforce their IP rights by providing wide-range and high-quality services, including patent prosecution, trademark registration, patent/trademark search, IP-related litigation, etc. Now we have about 400 staff, including 160 patent attorneys, 50 patent engineers, 20 general lawyers and 40 trademark professionals.
By emphasizing professionalism and craftsmanship, Sanyou IP has been named “an Outstanding Patent Agency” and “an Outstanding Trademark Agency” for several consecutive years. Our team of motivated and professional attorneys represents a combination of the highest technical and legal qualifications and years of practical experience. Many of our attorneys have been working in this line of field for over ten years, and several are former senior patent or trademark examiners of the China National Intellectual Property Administration.
Our motto is “quality, efficiency and loyalty”. At Sanyou IP, we pride ourselves in the quality work and constantly strive to provide the highest level of services tailored to the individual needs of each client. Our team of legal professionals, with a wealth of experience and proven success in the full range of IP services, stands ready to assist the clients with their IP matters both in China and around the globe. There is an independently developed database system with fully automatic deadline monitoring for the case we handle. Sanyou has also achieved paperless E-recording safe management of case documents throughout the entire process.
As a standing committee member of the All-China Patent Agents Association (ACPAA) and the China Trademark Association (CTA), Sanyou IP plays an active and important role in China’s IP industry. Meanwhile, Sanyou IP is a member of several international IP organizations, such as the International Trademark Association (INTA), the International Association for the Protection of Intellectual Property (AIPPI) and the Licensing Executives Society (LES).
Having been dedicated to intellectual property for over 35 years, Sanyou IP is always ready to improve its services and quality of work.

Key IP Areas
Copyright & related rights, Designs, Intellectual property (prosecution), Patent, Patent prosecution, Trade mark, Trade mark prosecution, Intellectual property (contentious)

Key Sector Expertise
Biotechnology, Automotive, Chemical, Computer technology & services, E-commerce, Electrical, Electronics, Life sciences, Mechanical, Pharmaceutical, Utilities


Last updated 12 October 2021