Standing in FLSA Wage Cases: Courts Must Assume Legal Validity and Avoid Merits Rulings on Rule 12(b)(1)

1. Introduction

In Mighell v. HPG Pizza I (10th Cir. Aug. 11, 2026), plaintiff Steve Mighell, a former Papa John’s delivery driver, brought a putative collective/class wage suit against HPG Pizza entities and related defendants. Mighell alleged violations of the Fair Labor Standards Act (FLSA) and Colorado wage laws, contending that Defendants’ mileage reimbursement (about $0.35/mile) was too low to cover required vehicle expenses, resulting in an unlawful “kickback” that drove his pay below the FLSA minimum wage and affected overtime calculations.

The district court dismissed for lack of subject-matter jurisdiction under Rule 12(b)(1), holding Mighell failed to plead an injury in fact because (i) his expense allegations were “assumptions built upon estimates,” and (ii) even under his theory, the court used Colorado’s minimum wage baseline (including Colorado’s tip-credit concept) to conclude his effective wage remained above the federal minimum.

The Tenth Circuit vacated and remanded, announcing a clear boundary: standing analysis assumes the legal validity of the plaintiff’s claim and must not resolve disputed merits questions under the guise of jurisdiction.

2. Summary of the Opinion

The court held that the district court erroneously decided a merits issue—whether Defendants could use Colorado’s wage/tip-credit framework as the starting point—when determining Article III standing. For standing purposes, the court must assume the plaintiff’s legal theory is valid; if so, Mighell plausibly alleged an injury (underpayment under federal law), traceable to Defendants and redressable by damages. The dismissal under Rule 12(b)(1) was therefore vacated, and the case was remanded for the district court to address any Rule 12(b)(6) merits issues in the first instance.

3. Analysis

3.1. Precedents Cited

  • Kasten v. Saint-Gobain Performance Plastics Corp., 563 U.S. 1 (2011)
    Cited for the broad description of the FLSA’s wage-and-hour framework. It provides statutory backdrop rather than the standing rule.
  • Romero v. Top-Tier Colo. LLC, 849 F.3d 1281 (10th Cir. 2017)
    Used to state the federal minimum wage requirement and explain the FLSA tip-credit mechanism. The opinion contrasts this federal tip-credit framework with Colorado’s separate minimum wage and tip-credit regime, which became the focal point of the district court’s merits intrusion.
  • Jordan v. Maxim Healthcare Servs., Inc., 950 F.3d 724 (10th Cir. 2020)
    Cited for the FLSA overtime rule (time-and-a-half beyond 40 hours). It frames Mighell’s parallel overtime underpayment theory.
  • Fast v. Applebee's Int'l, Inc., 638 F.3d 872 (8th Cir. 2011)
    Cited (via Romero) for tip-credit background. It supports the general proposition that tip credits are a specialized statutory device, not a default assumption.
  • Nat'l Ass'n for Gun Rts. v. Polis, 173 F.4th 1317 (10th Cir. 2026) and Bertels v. Farm Bureau Prop. & Cas. Ins. Co., 123 F.4th 1068 (10th Cir. 2024)
    Cited for the standard of review: standing determinations are reviewed de novo. This reinforces the appellate court’s authority to correct the district court’s jurisdiction/merits conflation.
  • Lujan v. Defs. of Wildlife, 504 U.S. 555 (1992) and Allen v. Wright, 468 U.S. 737 (1984)
    Provide the foundational Article III “Cases” and “Controversies” framework and the centrality of standing as a jurisdictional prerequisite. Lujan’s “actual or imminent” language anchors the injury-in-fact inquiry.
  • Tandy v. City of Wichita, 380 F.3d 1277 (10th Cir. 2004) and Whitmore v. Arkansas, 495 U.S. 149 (1990)
    Key to the holding: standing “in no way depends on the merits.” These cases supply the doctrinal warning that jurisdiction should not be used as a vehicle to decide whether the plaintiff ultimately wins.
  • Winsness v. Yocom, 433 F.3d 727 (10th Cir. 2006) and Phelps v. Hamilton, 122 F.3d 1309 (10th Cir. 1997)
    Cited for the three elements of standing: injury in fact, traceability, and redressability. The panel applied these elements and explicitly noted Mighell satisfied traceability and redressability once injury is analyzed under the proper (non-merits) lens.
  • Initiative & Referendum Inst. v. Walker, 450 F.3d 1082 (10th Cir. 2006) and Utah Animal Rts. Coal. v. Salt Lake City Corp., 371 F.3d 1248 (10th Cir. 2004)
    These cases provide the opinion’s central rule: for standing, courts must assume the plaintiff’s claim has legal validity. The panel used them to fault the district court for rejecting Mighell’s legal theory (about how to compute wage shortfalls given unreimbursed expenses and tip credit) at the jurisdictional stage.
  • McConnell v. FEC, 540 U.S. 93 (2003)
    Quoted (via Initiative & Referendum Inst.) for the vivid admonition against putting the “merits cart before the standing horse.” It supports the conclusion that the district court’s Colorado-wage-baseline move was impermissibly merits-driven.
  • Singleton v. Wulff, 428 U.S. 106 (1976)
    Cited for the appellate practice rule: courts of appeals generally do not decide issues not passed upon below. This underwrote remand for Rule 12(b)(6) analysis rather than the panel resolving pleading sufficiency itself.

3.2. Legal Reasoning

The opinion turns on a disciplined separation between jurisdiction and merits:

  1. Standing requires an “injury in fact,” not a showing of ultimate legal correctness. Mighell alleged he was paid less than the FLSA requires once unreimbursed vehicle expenses are treated as an employer-imposed “kickback.” At the pleading stage, that alleged underpayment is a classic concrete economic injury—if the law recognizes the claim.
  2. Courts must assume the legal validity of the claim when assessing standing. The district court effectively rejected Mighell’s legal premise by choosing a starting wage rate (Colorado’s minimum wage with tip credit) and using it to conclude there was no injury. That approach resolved a disputed legal question embedded in the cause of action.
  3. Disagreements about the correct legal framework and the sufficiency of factual allegations belong in Rule 12(b)(6), not Rule 12(b)(1). The panel acknowledged that many arguments on appeal were merits-oriented (including whether Mighell’s estimates and IRS-mileage proxy suffice), and remanded so the district court could address those matters in the first instance.

3.3. Impact

The decision’s immediate effect is procedural but significant, especially in wage-and-hour cases:

  • Constrains jurisdictional dismissals that rely on merits determinations. District courts in the Tenth Circuit are cautioned against deciding contested wage-calculation theories (e.g., how tip credits interact with expense reimbursement) under the rubric of standing.
  • Lowers the risk that novel or disputed FLSA theories are “screened out” via Article III. Plaintiffs with plausible allegations of economic harm should reach the merits stage, where legal and evidentiary disputes can be properly tested.
  • Clarifies litigation sequencing in delivery-driver reimbursement cases. Whether IRS mileage rates, estimated routes, or average miles per delivery can plausibly support underpayment claims is framed as a Rule 12(b)(6)/proof issue, not a jurisdictional one.
  • Nonprecedential but persuasive. The order and judgment is not binding precedent (except under law-of-the-case/res judicata/collateral estoppel), yet it provides a clear, quotable template for distinguishing standing from merits in future motions practice.

4. Complex Concepts Simplified

  • Article III standing: The constitutional requirement that a plaintiff show (1) a real injury, (2) caused by the defendant, (3) that a court can fix. It asks “Is this the kind of dispute federal courts can decide?” not “Will the plaintiff win?”
  • Injury in fact (economic injury): Losing money due to underpayment is a paradigmatic concrete injury—if the law entitles the worker to that money.
  • Traceability and redressability: The injury must be linked to the defendant’s conduct (traceability) and a court judgment must likely remedy it (redressability), typically via back pay, liquidated damages, and fees in FLSA cases.
  • Tip credit: A statutory mechanism allowing certain employers to count a portion of employee tips toward meeting minimum wage obligations. Whether and how tip credit applies can be technical and contested; the key point here is that such disputes are merits questions, not standing questions.
  • “Kickback” theory: The idea that if employees must incur unreimbursed job expenses (e.g., vehicle costs) that effectively return wages to the employer, those amounts can reduce the employee’s “real” wages below legal minimums.
  • Rule 12(b)(1) vs. Rule 12(b)(6): Rule 12(b)(1) challenges the court’s power to hear the case (jurisdiction). Rule 12(b)(6) challenges whether the complaint states a legally sufficient claim assuming the alleged facts are true.
  • Vacate and remand: The appellate court erased the jurisdictional dismissal and sent the case back for further proceedings consistent with the correct standing framework.

5. Conclusion

Mighell v. HPG Pizza I reinforces a core Article III principle in a wage-and-hour setting: standing is not a merits test. When a worker plausibly alleges underpayment, the court must assume the legal viability of the wage theory for jurisdictional purposes and avoid resolving contested legal frameworks—such as tip-credit and reimbursement interactions—on a Rule 12(b)(1) motion. The Tenth Circuit’s remand channels those disputes to the proper stage: Rule 12(b)(6) and, if warranted, evidence-based adjudication.