J's Law Firm is a law firm licensed by the Ministry of Justice of the P.R.C., as well as a trademark agency registered with the National Intellectual Property Administration, P.R.C. (CNIPA), and a member of China Trademark Association. Partners and offices are located in Beijing, Taipei, and Boston, with headquarter located in Vantone Financial Center in Beijing. Adhering to the “Client First” philosophy, backed by domestic markets, having broad international view, and pursuing excellent service quality, J's is committed to providing solutions that meet the core interests of clients and developing into a top, comprehensive and international law firm.

One of the core businesses of J's Law Firm is dispute resolution and non-dispute services related to intellectual property. J's IP Agency constitutes J's's intellectual property foundation business team, and is a member of the "J's Legal Group" along with J's. Its legal team and expert advisory team include multiple senior patent and trademark agents and lawyers from well-known intellectual property law firms and agencies, renowned expert professors, and alumni of Peking University. Based on the rich experience in both the Chinese and International intellectual property legal systems and working procedures, J's lawyers and experts provide long-term services for mature or start-up, domestic or overseas innovative companies, having handled and protected the interests of clients in a large number of domestic and foreign intellectual property cases. J's also maintains close cooperative relations with overseas intellectual property research, teaching, consulting and service entities.