Judicial Estoppel in Bankruptcy Nondisclosure Requires a Totality-of-the-Circumstances “Inadvertence or Mistake” Inquiry

Keathley v. Buddy Ayers Construction, Inc., 608 U.S. ___ (2026) (Decided June 11, 2026)

1. Introduction

This case sits at the intersection of bankruptcy disclosure duties and the equitable doctrine of judicial estoppel. Thomas Keathley, a Chapter 13 debtor, pursued a personal-injury action arising from a post-petition automobile accident without disclosing that potential claim to the bankruptcy court while his bankruptcy case remained open. The defendant in the tort suit, Buddy Ayers Construction, Inc., sought dismissal via judicial estoppel, arguing that Keathley’s omission from bankruptcy schedules was an inconsistent position that should bar the later lawsuit.

The key issue before the Supreme Court was not whether judicial estoppel definitively applies in this bankruptcy setting (the Court expressly did not decide that). Instead, the dispute focused on how courts should evaluate whether the nondisclosure was “inadvertent or mistaken” for purposes of avoiding judicial estoppel—particularly in light of the Fifth Circuit’s rigid two-factor approach.

2. Summary of the Opinion

Justice Jackson, writing for a unanimous Court, vacated and remanded. The Court held that when assessing whether a bankruptcy omission was “inadvertent or mistaken” (assuming that concept operates as an exception to judicial estoppel in bankruptcy), courts must consider the totality of the circumstances. The Fifth Circuit erred by confining the inquiry to only two considerations: (1) whether the debtor knew the underlying facts of the claim, and (2) whether the debtor had a hypothetical motive to conceal it.

The Court characterized the Fifth Circuit’s test as both too rigid (incompatible with equity’s flexible, case-by-case nature) and too broad (because knowledge and possible motive are almost always present, making the exception nearly illusory).

Justice Thomas (joined by Justice Gorsuch) concurred to question the doctrinal footing and authority for judicial estoppel in federal courts. Justice Sotomayor concurred to emphasize that judicial estoppel may be particularly ill-suited where bankruptcy proceedings are still pending, and that equitable analysis should always be totality-based.

3. Analysis

3.1. Precedents Cited

A. The Court’s core equity framework

  • New Hampshire v. Maine, 532 U. S. 742 (2001): The Court relied on this case for (i) the definition and purposes of judicial estoppel—protecting “the integrity of the judicial process,” preventing strategic position-switching, and avoiding inconsistent determinations—and (ii) the Court’s prior suggestion that “inadvertence or mistake” may counsel against applying judicial estoppel. The Court used New Hampshire both as the doctrinal starting point and as the anchor for emphasizing judicial estoppel’s equitable character.
  • United States Nat. Bank v. Chase Nat. Bank, 331 U. S. 28 (1947): Quoted for the proposition that equitable doctrines must be applied “in the light of the recognized principles of equity,” reinforcing that judicial estoppel cannot be reduced to a cramped formula inconsistent with equitable method.
  • Holmberg v. Armbrecht, 327 U. S. 392 (1946): Used for the classic maxim that equity “eschews mechanical rules; it depends on flexibility.” This directly undercut the Fifth Circuit’s mechanized two-factor test.
  • Holland v. Florida, 560 U. S. 631 (2010): Cited for the requirement that equitable inquiries proceed “on a case-by-case basis,” taking account of “all relevant facts and circumstances.” This supplied the Court’s operative instruction: a totality-of-the-circumstances inquiry.

B. Bankruptcy estate and post-petition property

  • Harris v. Viegelahn, 575 U. S. 510 (2015): Cited to support the proposition that in Chapter 13 the estate includes property acquired after commencement but before the case is closed/dismissed/converted (via 11 U.S.C. §1306(a)(1)). This provided doctrinal context for why a post-petition tort claim can matter to the bankruptcy estate and repayment plan.

C. The Fifth Circuit line the Court rejected

  • United States ex rel. Long v. GSDMIdea City, LLC, 798 F. 3d 265 (CA5 2015), and Love v. Tyson Foods, Inc., 677 F. 3d 258 (CA5 2012): The district court and Fifth Circuit relied on these cases for the “inadvertence or mistake” limitation to two circumstances (lack of knowledge or no motive to conceal). The Supreme Court held that this narrowing improperly foreclosed consideration of other evidence suggesting genuine mistake.
  • In re Coastal Plains, Inc., 179 F. 3d 197 (CA5 1999): Cited as part of the Fifth Circuit’s doctrinal lineage for its restrictive approach. The Supreme Court’s critique implies that, at least for the “inadvertence or mistake” inquiry, Coastal Plains-style formulations are inconsistent with equity’s required flexibility.

D. The circuit split showcasing “holistic” approaches

  • Eastman v. Union Pacific R. Co., 493 F. 3 d 1151 (CA10 2007): Cited to show the Tenth Circuit similarly uses the knowledge/motive framework.
  • Martineau v. Wier, 934 F. 3d 385 (CA4 2019): Cited as an example of a more fact-specific inquiry.
  • Stanley v. FCA US, LLC, 51 F. 4th 215 (CA6 2022): Cited as another holistic approach.
  • Spaine v. Community Contacts, Inc., 756 F. 3d 542 (CA7 2014): Cited as a holistic approach (contrasting with the Seventh Circuit’s earlier, stricter rhetoric in other cases).
  • Ah Quin v. County of Kauai Dept. of Transp., 733 F. 3d 267 (CA9 2013): Quoted approvingly for rejecting a “presumption of deceit” and requiring an inquiry into whether the omission was actually inadvertent or mistaken “as those terms are commonly understood.”
  • Slater v. United States Steel Corp., 871 F. 3d 1174 (CA11 2017) (en banc): Cited both in the majority opinion (as an articulation of the “implicit representation” theory) and in Justice Sotomayor’s concurrence as an exemplar of a totality-of-the-circumstances model that avoids creditor-harming windfalls.

E. Rationales offered by lower courts applying estoppel in bankruptcy

  • Cannon-Stokes v. Potter, 453 F. 3d 446 (CA7 2006): Quoted for the deterrence theory that judicial estoppel “raises the cost of lying” and induces truthful bankruptcy filings. The Supreme Court did not endorse or reject this rationale outright; it used it to describe the landscape while narrowing its holding to the “inadvertence or mistake” analysis.

F. Concurrences: deeper skepticism and alternative remedial framing

  • Konstantinidis v. Chen, 626 F. 2d 933 (CADC 1980), Parkinson v. California Co., 233 F. 2d 432 (CA10 1956), and Hamilton v. Zimmer-man, 37 Tenn. 39: Justice Thomas used these to illustrate judicial estoppel’s historically limited acceptance and relatively recent mainstreaming in federal appellate courts.
  • Trump v. CASA, Inc., 606 U. S. 831 (2025), and Trump v. Hawaii, 585 U. S. 667 (2018) (THOMAS, J., concurring): Invoked by Justice Thomas to argue that federal “equitable authority is not free-wheeling” and must be grounded in founding-era antecedents—casting doubt on judicial estoppel as currently practiced.
  • Link v. Wabash R. Co., 370 U. S. 626 (1962): Cited by Justice Thomas to contrast judicial estoppel with recognized inherent sanctioning powers, suggesting courts have not justified judicial estoppel under those traditional rubrics.
  • Massachusetts v. Missouri, 308 U. S. 1 (1939): Used to explain why New Hampshire v. Maine (an original-jurisdiction controversy) may not justify broad, trans-substantive judicial estoppel rules in ordinary federal litigation.
  • Davis v. Wakelee, 156 U. S. 680 (1895): Discussed by Justice Thomas as the older case New Hampshire quoted, but which he suggests may have been closer to equitable estoppel than modern judicial estoppel.
  • Reed v. Arlington, 650 F. 3d 571 (CA5 2011) (en banc): Justice Sotomayor cited this as an example of the Fifth Circuit’s asserted bankruptcy-system/creditor-protection justification for applying judicial estoppel.
  • Biesek v. Soo Line R. Co., 440 F. 3d 410 (CA7 2006): Justice Sotomayor relied on this for the critique that judicial estoppel can “vaporiz[e] assets” that could benefit creditors—highlighting equity concerns when bankruptcy is ongoing.
  • Marrama v. Citizens Bank of Mass., 549 U. S. 365 (2007): Cited by Justice Sotomayor to show bankruptcy courts have potent tools (conversion, trustee control) that can address nondisclosure without gifting a windfall to an alleged tortfeasor.

3.2. Legal Reasoning

The Court’s reasoning proceeds in three deliberate moves:

  1. Define the problem and the posture narrowly. The Court repeatedly emphasized what it was not deciding: it “assume[d] without deciding” that judicial estoppel can apply in bankruptcy and that “inadvertence or mistake” can operate as an exception. It also declined to resolve whether “bad faith is required for judicial estoppel to apply.”
  2. Re-anchor the analysis in equity. By framing judicial estoppel as an “equitable doctrine,” the Court treated flexibility as a requirement, not a preference. The Fifth Circuit’s approach was error because it foreclosed consideration of “any other evidence” bearing on whether the omission was truly inadvertent—such as reliance on counsel, bankruptcy-court practice, subsequent correction, trustee views, or the practical effect (or lack thereof) on plan administration.
  3. Diagnose the Fifth Circuit test as functionally outcome-determinative. The Court found the Fifth Circuit’s “knowledge” and “motive” factors were not merely incomplete; they were structurally overinclusive. Because debtors usually know the facts of their own accident and can almost always “hypothetically benefit” from nondisclosure, the test effectively presumes intent in nearly every case—contradicting the notion of an “inadvertence or mistake” carveout.

The resulting rule is straightforward: if courts are going to assess “inadvertence or mistake” in this setting, they must evaluate the totality of the circumstances surrounding the omission, rather than applying a two-factor gatekeeping test that blocks equitable consideration of context.

3.3. Impact

A. Immediate doctrinal consequence (Fifth Circuit—and likely beyond)

The decision repudiates the Fifth Circuit’s cramped “knowledge or motive” formulation as the exclusive test for inadvertence/mistake in bankruptcy-related judicial estoppel disputes. On remand, and in future Fifth Circuit cases, litigants can be expected to press a wider evidentiary record—communications with bankruptcy counsel, local disclosure practices, timing and reasons for amendments, trustee reactions, the practical effects on plan confirmation, and whether any real advantage was sought or realized.

B. Recalibrating summary judgment practice

Because totality-of-circumstances analysis is fact intensive, the decision may reduce the ease with which defendants obtain summary judgment based solely on nondisclosure plus generalized “motive.” Courts may require more robust showings before foreclosing claims, particularly where the debtor promptly cures the omission and bankruptcy administration can be adjusted.

C. Open questions preserved—and spotlighted

  • Whether judicial estoppel applies in bankruptcy at all. The Court’s narrow holding leaves room for future challenges—particularly given Justice Thomas’s invitation to “reexamine” the doctrine’s foundation.
  • Whether bad faith is required. The Court expressly declined to resolve whether a culpable mental state is a prerequisite, which will continue to divide lower courts and shape the contours of the totality inquiry.
  • Whether a continuing duty to disclose exists. The Court “presume[d]” a continuing duty because the parties proceeded that way, while noting a split. That unresolved issue remains significant in Chapter 13 cases involving post-petition claims.

D. Equity and creditor-protection concerns (Sotomayor’s concurrence)

Justice Sotomayor’s concurrence reframes the practical equities: when a bankruptcy is still pending, dismissing a debtor’s outside claim can harm creditors by eliminating a potential asset, while providing a windfall to an alleged wrongdoer “not prejudiced” by the bankruptcy nondisclosure. She emphasized bankruptcy courts’ tailored tools—plan modification (11 U.S.C. §1329), sanctions (Fed. Rule Bkrtcy. Proc. 9011), conversion to Chapter 7 and trustee prosecution, and even criminal referrals—suggesting judicial estoppel may be unnecessary and inequitable in open cases.

E. Potential future contraction of judicial estoppel (Thomas’s concurrence)

Justice Thomas’s concurrence lays groundwork for a more fundamental shift: skepticism that federal courts possess authority to deploy judicial estoppel as commonly used today, given the absence of clear statutory, procedural-rule, or founding-era equitable pedigree. If that view gains traction, a later case could narrow judicial estoppel’s availability, redefine it as a sanction tied to established inherent powers, or constrain it via Erie/choice-of-law principles.

4. Complex Concepts Simplified

  • Bankruptcy “estate”: The pool of property and legal rights considered in the bankruptcy case. In Chapter 13, the estate can include property acquired after filing and before the case closes (including some legal claims).
  • Bankruptcy schedules: Sworn forms listing assets, including “claims against third parties.” Omitting a claim can distort what creditors and the court believe the debtor has available to repay debts.
  • Judicial estoppel: A court-made doctrine that can prevent a party from taking inconsistent positions across proceedings, aimed at protecting the judiciary from manipulation and inconsistent outcomes.
  • “Inadvertence or mistake” exception (as assumed here): If the earlier inconsistent position happened unintentionally or by error, judicial estoppel may be inappropriate. The key holding is that this cannot be judged by a rigid two-factor checklist; courts must evaluate the full context.
  • Totality of the circumstances: A holistic evaluation of all relevant facts—what the debtor knew, why the omission occurred, reliance on counsel, timing of correction, bankruptcy-court practice, consequences for creditors, and whether the system was actually compromised.
  • Judicial estoppel vs. equitable estoppel: As Justice Thomas highlighted, equitable estoppel traditionally requires reliance and prejudice to the party invoking it; judicial estoppel can operate even when the beneficiary of the estoppel was a stranger to the prior proceeding—raising fairness and authority concerns.

5. Conclusion

Keathley v. Buddy Ayers Construction, Inc. establishes a clear procedural-equity rule: when courts evaluate whether a bankruptcy nondisclosure was “inadvertent or mistaken” for purposes of judicial estoppel (assuming the doctrine applies), they must consider the totality of the circumstances, not merely whether the debtor knew the underlying facts or could hypothetically benefit from concealment.

The decision rejects a near-automatic estoppel regime in favor of genuinely equitable adjudication, while leaving major questions open—especially whether judicial estoppel belongs in bankruptcy at all and whether bad faith is required. The concurrences sharpen the stakes: Justice Sotomayor questions the equity of barring claims during ongoing bankruptcies, and Justice Thomas questions the doctrine’s legitimacy. Together, the opinions point toward a future in which courts may both (i) scrutinize context more carefully and (ii) potentially reconsider judicial estoppel’s scope and source of authority.