Supported by the following organizations
This is to certify that Christian Calain successfully completed and received a passing grade in HLS2X: Contract Law: From Trust to Promise to Contract a course of study offered by HarvardX, an online learning initiative of Harvard University.
Noted by
Charles Fried
Beneficial Professor of Law Harvard Law School
Bharat N. Anand
Vice Provost for Advances in Learning at Harvard University and the Henry R. Byers Professor of Business Administration at Harvard Business School Harvard University
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- Verified Certificate Issued September 17, 2025
- Valid Certificate ID 7b047b7f51af4342ba31bf9f2921258c