Employer-sponsored petition for postdoctoral research associate seeking EB-1A extraordinary ability. Petitioner met one criterion but failed final merits determination. The AAO found evidence insufficient to demonstrate sustained national or international acclaim or that petitioner rose to very top of field.

Self-petitioner integration architect in energy efficiency claiming extraordinary ability. Advanced three criteria on appeal; failed original contributions as major significance not demonstrated beyond employer context. AAO dismissed appeal because claimed criteria insufficient and aggregate record lacks sustained acclaim.

An economist with over 100 scholarly publications claims extraordinary ability in EB-1A. Director found five criteria met but denied on final merits, claiming insufficient sustained acclaim. AAO reversed, finding the petitioner's 20-year career with continuous publications and recognition demonstrates sustained national acclaim among top economists.

Anesthesiologist seeking EB-1A classification. Met judging and scholarly articles criteria but not original contributions; citations insufficient to establish major significance. Leading critical role not reached. AAO dismissed, finding petitioner failed to meet three criteria threshold and lacked sustained acclaim at field top.