UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

NOTICE OF EFFECTIVENESS
Effective Date: December 22, 2022
Accession Number: 0001829126-22-020441
Submission Type: POS AM
CIK: 0001744494
Company Name: ADVENT TECHNOLOGIES HOLDINGS, INC.
File Number: 333-253114
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