The operative standard is 5 U.S.C. § 706(2)(A): a reviewing court shall set aside agency action found to be "arbitrary, capricious, an abuse of discretion, or otherwise not in accordance with law," under the APA's grant of review to a person "adversely affected or aggrieved by agency action" (5 U.S.C. § 702). A USCIS denial is "final agency action" reviewable under these provisions. The court does not ask whether it would have approved the petition; it asks whether USCIS's stated reasoning survives review. The controlling formulation comes from Motor Vehicle Manufacturers Association v. State Farm, 463 U.S. 29 (1983): an agency must "examine the relevant data and articulate a satisfactory explanation for its action, including a rational connection between the facts found and the choice made." A denial that skips a step in that chain — ignoring evidence, applying a standard the regulation does not contain, or asserting a conclusion without connecting it to the record — is the target.
For extraordinary-ability and outstanding-researcher cases, the governing framework is the two-step analysis of Kazarian v. USCIS, 596 F.3d 1115 (9th Cir. 2010): first, whether the petitioner meets the regulatory criteria; second, a "final merits determination" of whether the record as a whole establishes the required level of acclaim. The most litigable EB-1A denials are the ones that blur those steps — importing final-merits skepticism into the count of criteria, or denying at final merits without a reasoned explanation. Federal courts have pushed back hard on exactly that failure mode. In Mukherji v. Miller, No. 4:24CV3170 (D. Neb. Jan. 28, 2026), USCIS conceded the petitioner met five criteria and then denied at final merits on the theory that her acclaim had tapered after 2015; the court vacated the denial and remanded with instructions to approve the petition, holding both that the agency never articulated what its standard required and that nothing in the statute demands an applicant "stay indefinitely at the top of their field." This is not an EB-1A-only remedy: courts have set aside employment-based denials across categories — the D.C. Circuit reversed a USCIS L-1B specialized-knowledge denial in Fogo de Chao (Holdings) Inc. v. DHS, 769 F.3d 1127 (D.C. Cir. 2014), and federal courts have likewise vacated H-1B specialty-occupation denials as arbitrary and capricious.
A federal APA suit generally does not require exhausting the AAO first. The Supreme Court held in Darby v. Cisneros, 509 U.S. 137 (1993), that a court cannot impose an exhaustion requirement unless a statute or an agency rule expressly requires the administrative appeal and makes the decision inoperative while it is pending. The USCIS appeal regulation does neither — 8 C.F.R. § 103.3(a)(1)(ii) says an unfavorable decision "may be appealed" — so for most employment-based petitions there is no rule forcing you through an AAO appeal before a court will hear the case. The important exception is EB-5: by statute, an immigrant investor or regional center must appeal an I-526 or regional-center denial to the AAO to exhaust before any court has jurisdiction. That carve-out does not apply to EB-1A, EB-1B, NIW, or O-1.
There are limits worth naming up front. Under Patel v. Garland, 596 U.S. 328 (2022), and 8 U.S.C. § 1252(a)(2)(B), courts cannot review certain discretionary judgment calls and the factual findings underlying them, and some purely discretionary denials — the Ninth Circuit treated a discretionary NIW denial this way in Poursina v. USCIS, 936 F.3d 868 (9th Cir. 2019) — are largely insulated from review. The strongest APA challenges therefore target legal error and unreasoned decision-making, not a disagreement about how the agency weighed the equities.
Two features shape everything about how these cases are litigated. First, review is on the administrative record — the court decides on the evidence USCIS actually had, and absent bad faith that record generally cannot be supplemented with new material. Second, the statute of limitations is long: 28 U.S.C. § 2401(a) gives a six-year window from when the claim accrues, in sharp contrast to the 30-day clock on a motion or an AAO appeal. That means litigation is rarely foreclosed by timing, but it also means the case will be won or lost on the record you already built.