2025 term · Roberts Court · 9-0
M & K Employee Solutions, Inc. v. Trustees of IAM Nat. Pension
608 U.S. 264
The record
- Term
- 2025
- Decided
- Issue area
- —
- Vote split
- 9-0
- Winning party
- —
- Decision direction
- —
- Chief Justice
- Roberts Court
- Disposition
- —
- Docket
- 23-1209
- U.S. Reports
- 608 U.S. 264
- S. Ct. citation
- —
- LEXIS citation
- —
- Opinion by
- Ketanji Brown Jackson
Holding
The provisions of ERISA governing the calculation of withdrawal liability from an underfunded Multiemployer Pension Plan— i.e., the withdrawing employer’s share of the plan’s unfunded vested benefits—do not require that actuarial assumptions underlying the calculation be selected on or before the statutory measurement date. 29 U. S. C. §§1391, 1393.
How the bench divided
MMMMMMMMM
M 9 majority
| Justice | Vote |
|---|---|
| Ketanji Brown Jackson | Majority |
| John G. Roberts | Majority |
| Clarence Thomas | Majority |
| Samuel Alito | Majority |
| Sonia Sotomayor | Majority |
| Elena Kagan | Majority |
| Amy Coney Barrett | Majority |
| Neil Gorsuch | Majority |
| Brett Kavanaugh | Majority |
Read the opinion
- supremecourt.govSlip opinionThe opinion as released by the Court, in slip form.
- JustiaFull opinion textThe majority, concurring and dissenting opinions as handed down.
- supremecourt.govDocket 23-1209Filings, orders and the procedural history on the Court’s own docket.
- OyezCase pageArgument audio and the vote lineup, when Oyez has published them.