Organization and Principal Activities (Tables)

12 Months Ended

Dec. 31, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Significant Operating Subsidiaries

As of December 31, 2022, the Company’s significant operating subsidiaries were as follows:

Name of Company	Place of Incorporation	Date of Incorporation	Percentage of Ownership	Principal Activities
Zai Lab (Hong Kong) Limited	Hong Kong	April 29, 2013	100%	Operating company for business development and R&D activities and commercialization of innovative medicines and device
Zai Lab (Shanghai) Co., Ltd.	Mainland China	January 6, 2014	100%	Development and commercialization of innovative medicines and devices
Zai Lab (AUST) Pty. Ltd.	Australia	December 10, 2014	100%	Clinical trial activities
Zai Lab (Suzhou) Co., Ltd.	Mainland China	November 30, 2015	100%	Development and commercialization of innovative medicines
Zai Biopharmaceutical (Suzhou) Co., Ltd.	Mainland China	June 15, 2017	100%	Development and commercialization of innovative medicines
Zai Lab (US) LLC	the United States	April 21, 2017	100%	Operating company for business development, R&D activities and certain business activities, including legal, compliance and communication functions of the Company
Zai Lab International Trading (Shanghai) Co., Ltd.	Mainland China	November 6, 2019	100%	Commercialization of innovative medicines and devices
Zai Auto Immune (Hong Kong) Limited	Hong Kong	November 4, 2020	100%	Operating company for business development and R&D activities
Zai Lab (Taiwan) Limited	Taiwan	December 10, 2020	100%	Commercialization of innovative medicines and devices
Zai Lab Trading (Suzhou) Co., Ltd.	Mainland China	October 27, 2020	100%	Commercialization of innovative medicines and devices