American Express Co. v. Koerner
Decided June 8, 1981. Harry Andrew Blackmun delivered the opinion of the Court.
Docket 80-202 · 452 U.S. 233 (1981)
We don’t yet publish a summary of this opinion. Read the official text below for the Court’s holding and reasoning.
How the Justices voted
Decided 9–0.
Majority · 9
“Concurring” means agreeing with the outcome; any split shown is the Court’s judgment, not each Justice’s reasoning. Source: the Supreme Court Database (Spaeth et al.), Washington University.
Official text
Read the official opinion (U.S. Reports, govinfo.gov)
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Harry Andrew Blackmun’s profile · All Supreme Court opinions · The Supreme Court
Source: the U.S. Reports via govinfo.gov; authoring Justice and vote lineup from the Supreme Court Database (Washington University). Data last verified 2026-08-15. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).