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Shearson/american Express Inc. v. McMahon

482 U.S. 220 · Decided June 8, 1987 · Supreme Court of the United States

Record summary. This page is generated from the Supreme Court Database’s coded data about the case. It describes who decided what, not the Court’s reasoning. Read the opinion itself before relying on it. Not legal advice.

At a glance

Shearson/american Express Inc. v. McMahon was decided on June 8, 1987 by a vote of 5–4. The Court reversed the lower court's decision and remanded the case. Justice Sandra Day O'Connor wrote the opinion of the Court. SCDB classifies its main issue as “Arbitration (non-labor)” in the Economic Activity area.

Read the opinion

Case details

Citations
482 U.S. 220 · 107 S. Ct. 2332 · 96 L. Ed. 2d 185 · 1987 U.S. LEXIS 2478
Docket number
86-44
Decided
June 8, 1987
Argued
March 3, 1987
Decision type
Opinion of the Court (orally argued)
Disposition
Reversed and remanded
Outcome for petitioner
The petitioning party received a favorable disposition
Vote
5–4
Majority opinion
Sandra Day O'Connor
Opinion assigned by
William H. Rehnquist
How the case arrived
Certiorari
Legal provision
9 U.S.C. § 1
Type of law
Infrequently litigated statute
Decision direction (SCDB)
Conservative what this means

How the Justices voted

Full case caption

Shearson/american Express Inc. et al. v. McMahon et al.

SCDB identifiers: case 1986-116, docket 1986-116-01.

Other cases on “Arbitration (non-labor)”

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Cases on the same legal provision: 9 U.S.C. § 1

Same Term, same area (Economic Activity)

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Source: Supreme Court Database, 2026 Release 01 (data file dated September 8, 2026). Imported into CaseTrail November 5, 2026. Coverage: decisions from the 1946 through 2025 Terms. Methodology · Report an error