2010 Supreme Court term

DELBERT WILLIAMSON, ET AL. v. MAZDA MOTOR OF AMERICA, INC. ET AL.

Dockets 08-1314Argued
AI-generated independent summary

This educational guide is based on the linked primary sources. It is not a Court publication, is not affiliated with the Court, and is not legal advice.

In brief

Overview

According to NHTSA, the National Highway Traffic Administration (NHTSA) has stated that merely offering options does not constitute pre‑emption.

Background and question before the Court

Justice Alito asked whether a suit based on a Type 2 belt injury would be pre‑empted.

Justice Sotomayor asked how the case differs from situations where an agency lets manufacturers choose designs rather than setting a universal minimum standard.

What each side argues

Petitioner

According to Mr. BUCHANAN, petitioners state that the 1987‑1989 regulatory history contains no mention of child safety influencing the decision not to mandate Type 2 shoulder belts for aisle and center seats.

Respondent

According to Mr. GARRE, the vehicle had three rows of seats; the child was seated in the middle‑row center seat, which is adjacent to an aisle.

What happened at oral argument

Source-limited The available primary sources do not support a complete explanation yet.

What the Court decided

Pending This section will be added when the relevant Court material is available.

Why it matters

Source-limited The available primary sources do not support a complete explanation yet.

Terms to know

No glossary terms are available for this guide.

Primary sources

Read the source materials on the official site or open the immutable repository copy used for this guide.

  • f2ac451b30f0cbfb67c5-r1-f997ec4f0437860b.pdforal argument transcript

Guide generated September 23, 2026. Automated validation accepted this version.