Chang Tsi & Partners — China

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Beijing14 lawyersFounded 2002

About

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. - Practice Areas - Trademark prosecution and enforcement - Patent prosecution and enforcement - Litigation and dispute resolution - Copyright and domain names - Administrative protection - Foreign direct investment - Company legal counselling - Employment law - IP Commercial and Others 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. ### Languages - English - Chinese - Korean - Japanese - Cantonese - German - Greek ### Memberships - International Trademark Association (INTA) - American Intellectual Property Law Association (AIPLA) - Intellectual Property (AIPPI) - Association of European Trade Mark Owners (MARQUES) - International Association of Restructuring - Insolvency and Bankruptcy Professionals - Intellectual Property Owners (IPO) - European Community Trademark Association (ECTA) ### Staffing Figures - 0 Number of lawyers at this office

Office locations

Beijing

Chang Tsi & Partners 6th - 8th Floor, Tower A, Hundred Island Park Bei Zhan Bei Jie Street Xicheng District, Beijing 100044 Beijing China

+861088369999 info@changtsi.com

Practice areas

Intellectual PropertyTrademark Prosecution & EnforcementPatent Prosecution & EnforcementIP LitigationCopyright & Domain NamesAdministrative ProtectionTrade SecretsCorporate/Company CounselingForeign Direct InvestmentEmployment LawCustoms Enforcement