Exhibit 8.1

	List of Subsidiaries
Subsidiary	Jurisdiction of incorporation or organization
Calliditas NA Enterprises Inc.	Delaware
Calliditas Therapeutics US Inc.	Delaware
Nefecon AB	Sweden
Genkyotex S.A.*	France
Genkyotex Suisse S.A.**	Switzerland

* Renamed Calliditas Therapeutics France SAS, effective April 1, 2022.

** Renamed Calliditas Therapeutics Suisse S.A., effective April 1, 2022.