Chang Tsi & Partners

Firm Details

Managing Partner: Spring Chang

Founding Partner: Simon Tsi

Number of lawyers: 350+

Number of partners: 15

Languages: English, Chinese, Korean, Japanese, German, Greek, Cantonese, etc.

Firm Overview:

Chang Tsi & Partners is a "National Outstanding Law Firm" (nominated by the Ministry of Justice of China) with a strong reputation in intellectual property and litigation.

Since its establishment in 2002, Chang Tsi & Partners has become one of the leading law firms in China. The firm has consistently been referred to as “The Best IP Law Firm in China,” “China IP Law Firm,” and “Tier 1 IP Law Firm of the Year” by various international legal directories and business magazines such as Chambers & Partners, The Legal 500 Asia Pacific, and Asialaw Profiles. In 2024, Chang Tsi & Partners was listed as a highest-level AAAAA Patent Agency by the Beijing Patent Attorneys Association.

With over 350 professionals, including attorneys at law, patent attorneys, and trademark attorneys, Chang Tsi & Partners is based in Beijing, with fully-fledged offices in Shanghai and Shenzhen, and branch offices in Guangzhou, Guangxi, Chengdu, Hong Kong, Macau, Taiwan, the United States, Singapore and Korea. The firm has established an enviable reputation in intellectual property and litigation.

At Chang Tsi & Partners, you can find the knowledge, experience, and professionals to handle all aspects of law in both domestic and international matters. The firm is the trusted partner of many Chinese and international enterprises in developing strategic decisions and securing their interests both in China and overseas.

Main Areas of Practice:

Intellectual Property:

The firm is proud of its outstanding reputation and service, which is marked by professional and efficient work and successful results. Chang Tsi & Partners strives to provide comprehensive, one-stop, and multi-leveled legal services for its clients.

• Comprehensive: The firm's intellectual property practice includes trademarks, patents, copyrights (including software), domain names, trade secrets, product packaging and decoration, management and transfer of intellectual property rights, unfair competition, consumer rights, advertising, and related services.
• One-Stop: Chang Tsi & Partners is a leading IP law firm with expertise in both trademarks and patents. Its highly experienced and professional attorneys work in teams to provide clients with the most comprehensive and sophisticated advice. Whether its domestic or foreign clients face a difficult intellectual property issue of any kind, they can depend on Chang Tsi & Partners to come up with effective solutions and provide the best legal services.
• Multi-Leveled: The firm provides comprehensive prosecution and enforcement services to domestic and international clients, including market surveillance, business investigations, administrative actions, customs enforcement, infringement litigation, and corporate intellectual property strategy development. This adds value to brand designs, trademark licensing, and intellectual property due diligence.

Dispute Resolution:

Litigation and arbitration are two of Chang Tsi's core services. The firm has many senior lawyers who focus on commercial litigation, arbitration, and other types of dispute settlement. With years of experience handling litigation and disputes of all types, Chang Tsi's attorneys have successfully resolved many complicated and difficult cases for their clients.

Attorneys at Chang Tsi are dedicated to developing and implementing practical and client-oriented dispute resolution strategies, always striving to maximize their clients' interests. Throughout the process of representing clients, the attorneys make full use of their strong social networks to realize the clients' objectives. Chang Tsi is proud of its record in securing victories for clients in litigation and arbitration, including appellate work.

Corporate Law:

Corporate law is one of the core practice areas of Chang Tsi. The corporate attorneys at Chang Tsi are professionals in enterprise management, with many having experience working in-house at international organizations. Additionally, as perennial legal counsel for enterprise clients, the firm's lawyers have extensive experience and outstanding records in corporate establishment, share transactions, mergers and acquisitions (M&A), corporate restructuring, industrial relations, and corporate debt collection.

IP Commercial and Others:

In addition to IP protection, corporate law, and dispute resolution, Chang Tsi & Partners has been focusing on highly specialized business areas such as IP commercialization, construction and real estate, and financial legal services. Over the years of accumulated professional practice, Chang Tsi & Partners has become a leader in these fields due to its expertise.

Offices:

Beijing, Shanghai, Shenzhen, Guangzhou, Nanning, Chengdu, Hong Kong, Macau, Taiwan, Korea, US

Tel: (+86) 10 8836 9999

Email: [email protected]

Fax: (+86) 10 8836 9996