Beijing Sanyou Intellectual Property Agency Ltd.

Address: 16th Fl. Block A, Corporate Square, No.35 Jinrong Street, Beijing, 100033, P.R.China.
Phone: 86-10-88091921 / 88091922

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. In 2011, upon the completion of a streamlining management procedure, Sanyou IP obtained the ISO 9001 certification for quality management.

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.

Sanyou IP is headquartered in Beijing with several branch offices in Suzhou, Dalian, Hong Kong, and Japan. Now we have about 400 staff, including 160 patent attorneys, 50 patent engineers, 20 general lawyers and 40 trademark professionals, all practicing under four interrelated entities:

– Beijing Sanyou Intellectual Property Agency Ltd;

– Beijing Wanrui Law Firm;

– Sanyou International IP Service Ltd.

Sanyou’s patent team consists of experienced professionals. 75% of our patent attorneys, patent engineers and translators have postgraduate degrees or above. 25% of our patent team members have oversea educational background. Our area of practice includes: electronics, communications, computers, physics, mechanics, chemistry, biology and pharmaceuticals, etc. We constantly strengthen ourselves by recruiting more talents in such fields as Internet of Things, Cloud Computing and Bio-pharmaceuticals.

Since its forming in 1996, Sanyou trademark team has accumulated professional experience in the field of trademark and has handled hundreds of thousands of trademark case in all kinds. There are over 30 professionals including trademark attorneys, attorney-at-law, and search/evaluation experts. In recent years, quite a few TM examination experts of national level have joined Sanyou as special advisers. The team has long been offering services in trademark applications and dispute resolutions with the aim of creating value for clients, which has won us numerous clients all over the world.

The legal team is proficient in prosecution, enforcement, litigation and non-litigation practices in patent, trademark, copyright, trade secret and unfair competition in the IP industry. The team has accumulated rich experience in patent infringement and invalidation litigation, owing to their accomplishment in the study of anti-fair competition law, as well as civil and business laws. Many of the team members are well-trained in legal theory and practice and some of them graduated from top universities in China such as Tsinghua University and Peking University, or famous law schools in US, UK and Japan. Some lawyers in the firm are hired as senior counsels by clients, chairing or participating in major and complex domestic cases, well-qualified for providing high-level legal services.

In recent years, Sanyou also founded the Patent Information and Consultation Department, which mainly focuses on novelty searches, prior art searches, FTO searches, patent navigation, analysis, early warning, and technology development searches, etc. The team consists of searching engineers, patent consultants and data engineers with rich experience are ready to provide searching and consulting services to the clients covering the whole industry chain and empowering comprehensive protection of Intellectual Property rights.

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.


Team Members

Xiaolin Dang

Managing Partner/Patent Attorney/Attorney-at-law

Shirley Fu

Partner/Director of Business Development/Attorney-at-law

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