Should courts defer to a plan administrator's fallback interpretation?

Verified source milestones

1. 2026-08-29 — An official oral-argument transcript was verified.
2. 2026-08-29 — An official oral-argument transcript was verified.

A citizen's guide to the whole case

What this case is about

This case tests the scope of judicial deference under ERISA. the sides that brought the case argue courts should defer to the administrator's fallback interpretation. the opposing sides argue courts must independently interpret plan terms to protect participants.

How the case got here

The Supreme Court heard oral argument in this case on January 20, 2010.

What each side wants

the sides that brought the case want the Supreme Court to reverse the appellate decision. They argue courts must defer to the administrator's fallback interpretation.

the opposing sides want the Supreme Court to affirm the appellate decision. They argue courts must independently interpret plan terms to protect participants.

What each side says

the sides that brought the case argue trust law requires courts to defer to the administrator's fallback interpretation. They claim a contrary rule undermines ERISA protections.

the opposing sides argue the appellate court correctly applied a deferential standard to the district court's interpretation. They assert the administrator's interpretation should not receive automatic deference.

What the justices asked

Justice Alito asked how many attempts an administrator gets if there is no bad faith.

Justice Breyer asked whether the Solicitor General correctly stated the law regarding the administrator's good faith.

Why it matters

This case defines the balance between administrative efficiency and participant protection. It clarifies the standard of review for ERISA plan disputes. The outcome shapes how courts handle ambiguous plan terms. It impacts the rights of millions of retirement plan participants.

What happens next

This article currently covers the argument record. Use the official docket link for later case activity.

Official Court provenance

Official docket and case history · Official Supreme Court oral-argument detail page

Title and summary sources

• Official Supreme Court Transcript — file page 28, lines 13-3 — Transcript, file page 28, lines 13-3
• Official Supreme Court Transcript — file page 3, lines 19-1 — Transcript, file page 3, lines 19-1
• Official Supreme Court Transcript — file page 50, lines 13-35 — Transcript, file page 50, lines 13-35
• Official Supreme Court Transcript — file page 60, lines 7-15 — Transcript, file page 60, lines 7-15
• Official Supreme Court Transcript — file page 61, lines 43-35 — Transcript, file page 61, lines 43-35
• Official Supreme Court Transcript — file page 28, lines 13-3 — Transcript, file page 28, lines 13-3
• Official Supreme Court Transcript — file page 3, lines 19-1 — Transcript, file page 3, lines 19-1
• Official Supreme Court Transcript — file page 50, lines 13-35 — Transcript, file page 50, lines 13-35
• Official Supreme Court Transcript — file page 60, lines 7-15 — Transcript, file page 60, lines 7-15
• Official Supreme Court Transcript — file page 61, lines 43-35 — Transcript, file page 61, lines 43-35

Revision history

1. Revision 1 · Official Transcript · 2026-08-31 01:37:48.401869+00:00

   Correction: Rewritten to the concise citizen-facing editorial standard.

2. Revision 2 · Official Transcript · 2026-09-05 03:22:24+00:00

   Correction: Migrated to the dated official Court activity contract without model use.