Yearsley Is a Merits Defense (Not Derivative Sovereign Immunity): No Interlocutory Appeal from Denial Under Cohen

1. Introduction

GEO Group operates a private immigration detention facility in Aurora, Colorado under contract with U. S. Immigration and Customs Enforcement (ICE). Alejandro Menocal, a former detainee, brought a class action challenging two detainee labor policies: (1) a “Sanitation Policy” requiring detainees to clean common areas without pay under threat of sanctions up to solitary confinement, and (2) a “Voluntary Work Program” paying $1/day for other work. The complaint alleged the sanitation policy violated a federal bar on forced labor and the paid program constituted unjust enrichment under Colorado law.

After discovery, GEO sought dismissal by invoking Yearsley v. W. A. Ross Constr. Co., arguing ICE had “authorized and directed” the challenged policies by contract. The District Court rejected GEO’s reading of the contract, finding GEO “independently develop[ed] and implement[ed]” the work rules and “far exceeded its contractual obligations,” requiring the case to proceed toward trial. GEO attempted an immediate appeal; the Tenth Circuit dismissed for lack of jurisdiction, holding the denial did not qualify for interlocutory review under Cohen v. Beneficial Industrial Loan Corp.. The Supreme Court granted certiorari to resolve whether a denial of Yearsley protection is immediately appealable.

2. Summary of the Opinion

Justice Kagan, writing for the Court, affirmed the Tenth Circuit and held that Yearsley is a defense to liability, not an immunity from suit. Because the denial of a merits defense can be effectively reviewed after final judgment, the denial of Yearsley protection is not “effectively unreviewable on appeal from a final judgment,” and therefore does not satisfy the third requirement of the collateral-order doctrine.

Justice Thomas concurred in part and in the judgment, agreeing Yearsley is a defense rather than an immunity and that no interlocutory appeal was authorized, but cautioning against further reliance on (or expansion of) the Cohen collateral-order doctrine. Justice Alito concurred in the judgment, agreeing Yearsley is not an immunity and that immediate appeal is unavailable, but emphasizing that the “immunity” inquiry turns on whether deferring review would imperil sufficiently weighty constitutional or public-policy interests.

3. Analysis

3.1. Precedents Cited (and How They Shape the Holding)

A. Final-judgment rule and collateral-order doctrine framework

• Cobbledick v. United States and 28 U. S. C. §1291: The Court anchors appellate jurisdiction in the “final decisions” requirement and the historic hostility to piecemeal review.
• Ritzen Group, Inc. v. Jackson Masonry, LLC: Reiterates what “final” means—an order is generally final only when it ends the litigation and leaves nothing but execution of judgment.
• Microsoft Corp. v. Baker: Supplies policy reasons for finality (efficiency and proper trial/appellate balance), motivating a narrow reading of exceptions.
• Cohen v. Beneficial Industrial Loan Corp.: Provides the collateral-order doctrine’s source—allowing immediate appeal only for a “small class” of orders.
• Mohawk Industries, Inc. v. Carpenter, Digital Equipment Corp. v. Desktop Direct, Inc., and Will v. Hallock: Reinforce that collateral orders are categorically defined and the doctrine is “narrow,” “stringent,” and of “modest scope.”
• Van Cauwenberghe v. Biard: Supplies the modern three-part Cohen test, especially the “effectively unreviewable” requirement that is decisive here.

B. Merits defense vs. immunity (the decisive conceptual distinction)

• Mitchell v. Forsyth: Provides the Court’s key language that an immunity is an “entitlement not to stand trial,” and explains why denials of immunity are ordinarily immediately appealable.
• Abney v. United States: Illustrates that certain protections are not merely defenses to liability but protections against being “put to trial,” supporting immediate appeal when that right would be lost.
• Richardson v. McKnight and FDIC v. Meyer: Used to clarify that immunities can apply regardless of the underlying wrongfulness; the legality of the act is not the predicate for immunity in the same way it is for merits defenses.
• Thacker v. TVA and Jam v. International Finance Corp.: Reinforce the Court’s usage of “immunity from suit” as a protection from litigation burdens, not simply from liability.

C. Yearsley’s meaning and the non-transferability of sovereign immunity

• Yearsley v. W. A. Ross Constr. Co.: The centerpiece. Yearsley precludes contractor liability only where the Government validly conferred authority and the contractor acted within its scope; it allows liability where authority was invalid or exceeded—features the Court reads as characteristic of a merits defense.
• Sloan Shipyards Corp. v. United States Shipping Bd. Emergency Fleet Corporation and Keifer & Keifer v. Reconstruction Finance Corporation: State the “general rule” that sovereign immunity does not extend to agents merely because they act in the Government’s name or do its work.
• Brady v. Roosevelt S. S. Co.: Rejects contractor immunity “by reason of a contract” and is used to discount GEO’s “derivative sovereign immunity” framing; the Court treats Brady’s “certain immunity” phrase as colloquial, not doctrinal.
• Hopkins v. Clemson: A particularly important comparator: it denies agents “immunity from suit” but permits a “successfully defend[ing]” merits showing of “lawful authority,” foreshadowing Yearsley’s structure as a defense rather than an immunity.
• Campbell-Ewald Co. v. Gomez: Mentioned in a footnote discussion (via GEO’s argument) as having repeated Brady’s imprecise “immunity” phrasing; the Court treats that as loose language rather than a reclassification of Yearsley.
• Swint v. Chambers County Comm'n: Supports the proposition that the right to non-liability can be vindicated after final judgment by reversing an erroneous liability finding.
• Puerto Rico Aqueduct and Sewer Authority v. Metcalf & Eddy, Inc.: Used (in the majority’s footnote) to illustrate how immunity determinations tend to satisfy Cohen’s elements—highlighting that Yearsley does not fit that template once properly classified as a merits defense.

D. The concurrences’ cited collateral-order lineage (contextualizing the debate)

• Justice Thomas, citing Mohawk Industries, Inc. v. Carpenter and Swint v. Chambers County Comm'n, challenges Cohen’s legitimacy as judge-made expansion of appellate jurisdiction and argues against any further expansion beyond on-point precedents.
• Justice Alito traces collateral-order doctrine evolution through Coopers & Lybrand v. Livesay, Carroll v. United States, Swift & Co. Packers v. Compania Colombiana Del Caribe, S. A., Stack v. Boyle, Helstoski v. Meanor, Nixon v. Fitzgerald, Lauro Lines s.r.l. v. Chasser, Midland Asphalt Corp. v. United States, and United States v. Hollywood Motor Car Co., emphasizing the “public interest” inquiry articulated in Will v. Hallock.
• Alito also notes the Court’s recent willingness to entertain immunity-like claims, citing Trump v. United States.

3.2. Legal Reasoning

Step 1: Finality is the baseline

The Court begins from §1291’s final-judgment rule: appellate review ordinarily waits until the district court finishes the case. The collateral-order doctrine is a narrow exception requiring satisfaction of three conditions, including (most importantly here) that the order be “effectively unreviewable” after final judgment.

Step 2: “Effectively unreviewable” turns on what is lost without immediate appeal

The Court explains that whether a denial of a request to dismiss can qualify as a collateral order commonly depends on whether the defendant asserted:

• a merits defense (a right to be found not liable because the conduct was lawful), or
• an immunity from suit (a right not to undergo litigation at all, regardless of whether the conduct was wrongful).

This distinction matters because the “right not to stand trial” is destroyed once trial occurs, while the “right to a finding of non-liability” can be vindicated after trial by appellate reversal.

Step 3: Yearsley is classified as a merits defense, not an immunity

The Court reads Yearsley’s own limiting conditions as dispositive: a contractor is protected only if (1) authority was “validly conferred” and (2) the contractor did not “excee[d] his authority.” Those conditions are keyed to lawfulness and scope of authorization; therefore Yearsley “will never shield unlawful conduct,” unlike immunities.

The Court then reinforces the point with the broader doctrinal backdrop: sovereign immunity is generally not transferable to agents and contractors, as reflected in Sloan Shipyards Corp. v. United States Shipping Bd. Emergency Fleet Corporation, Keifer & Keifer v. Reconstruction Finance Corporation, and Brady v. Roosevelt S. S. Co.. Hopkins v. Clemson supplies an especially close analogue: no “immunity from suit” for an agent, but the agent may “successfully defend” by showing “lawful authority”—i.e., a defense.

Step 4: Consequence—no interlocutory appeal of a Yearsley denial

Once Yearsley is properly understood as a merits defense, Cohen’s third factor fails: denial is not “effectively unreviewable” after final judgment. If GEO ultimately loses on liability, it can appeal then and obtain reversal if the Yearsley defense should have applied. The Court adds that discretionary interlocutory review remains available through §1292(b), but that is separate from any automatic right to appeal.

3.3. Impact

• Procedural impact (appellate jurisdiction): Contractors may no longer claim an automatic right to immediately appeal a district court’s denial of Yearsley-based dismissal. This reduces contractor-driven piecemeal appeals and keeps more cases on the ordinary trial-to-final-judgment track.
• Substantive framing impact (Yearsley’s nature): The opinion discourages relabeling Yearsley as “derivative sovereign immunity” and re-centers it as a lawfulness-and-scope merits inquiry. That framing is likely to influence pleading, motion practice, and how lower courts structure Yearsley analyses (as merits adjudication rather than threshold jurisdiction or immunity).
• Contracting and compliance incentives: By emphasizing that Yearsley protection “runs out” when authorization is invalid or exceeded, the Court implicitly increases the salience of careful contract drafting, documented government direction, and compliance controls—because Yearsley’s availability will be tested on the record and reviewed after final judgment, not used as an early exit by right.
• Pathways for early review narrowed but not eliminated: The decision spotlights §1292(b) certification as the main route for early appellate consideration of difficult Yearsley questions, shifting the gatekeeping role to district courts (and appellate discretion) rather than categorical collateral-order appealability.
• Collateral-order doctrine signals: Justice Thomas’s and Justice Alito’s separate writings indicate continuing intra-Court tension about Cohen’s scope and justification—suggesting future litigants will keep testing how “immunity” is defined and when public interests justify immediate appeal.

4. Complex Concepts Simplified

• Interlocutory appeal: An appeal taken before the case is finished in the trial court. Federal law usually forbids this to avoid delay and fragmented litigation.
• Final-judgment rule (28 U. S. C. §1291): Courts of appeals generally can review only “final decisions”—those that end the case in the district court.
• Collateral-order doctrine (Cohen v. Beneficial Industrial Loan Corp.): A narrow exception allowing immediate appeal of certain important, separable decisions that would otherwise be “effectively unreviewable” later.
• Merits defense vs. immunity from suit: A merits defense says, “I shouldn’t be liable because what I did was lawful.” An immunity says, “Even if what I did was wrongful, the law forbids making me litigate this case at all.”
• Yearsley doctrine (Yearsley v. W. A. Ross Constr. Co.): A contractor can avoid liability when it acts within the scope of lawful governmental authorization and direction. If the authorization is unlawful or the contractor exceeds it, Yearsley does not protect the contractor.
• Sovereign immunity (and why “derivative” immunity is disfavored): Sovereign immunity is the Government’s own protection from being sued without consent. The Court reiterated that this protection generally does not “extend” to private agents or contractors just because they do government work.
• 28 U. S. C. §1292(b) certification: A separate mechanism allowing a district court (and then an appellate court) to permit an early appeal of an important controlling question, even if §1291 finality is not satisfied.

5. Conclusion

GEO Group, Inc. v. Menocal establishes a clear, procedurally consequential classification: Yearsley is not “derivative sovereign immunity,” but a merits defense that turns on lawful authorization and acting within scope. That classification dictates the jurisdictional result—no immediate appeal as of right from a pretrial denial—because the asserted right (non-liability) can be fully vindicated after final judgment. The decision tightens the connection between immunity doctrine and interlocutory appellate jurisdiction, while reaffirming the broader principle that sovereign immunity ordinarily remains the Government’s prerogative alone.