Clinical pharmacologist employed by biopharmaceutical company met three initial evidentiary criteria but lacked sustained national or international acclaim demonstrating placement among the very top of field in pharmacokinetics and pharmacodynamics; appeal dismissed on final merits.

A physician in diagnostic radiology residency seeks EB-1A extraordinary ability classification. The AAO dismissed the appeal, finding only two criteria met and concluding the beneficiary lacks the sustained national or international acclaim required for the small percentage at the very top of the field.

An employer sponsored a radiation oncology physician for EB-1A extraordinary ability. The beneficiary met judging and scholarly articles criteria but failed membership and published material criteria. Original contributions not shown to have major significance. Extraordinary ability sustained acclaim was not established. Appeal dismissed.

An engineering services company petitioned for an engineer and data scientist beneficiary. Claimed four criteria: judging, original contributions, scholarly articles, and leading role. AAO affirmed only two criteria (judging and scholarly articles) met; original contributions lacked demonstrated major significance and leading role lacked institutional evidence. Appeal dismissed.