City of Lafayette v. Louisiana Power & Light Co.
435 U.S. 389 · Decided March 29, 1978 · 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
City of Lafayette v. Louisiana Power & Light Co. was decided on March 29, 1978 by a vote of 5–4. The Court affirmed the lower court's decision. Justice William J. Brennan Jr. wrote the opinion of the Court. SCDB classifies its main issue as “Antitrust” in the Economic Activity area.
Read the opinion
Case details
- Citations
- 435 U.S. 389 · 98 S. Ct. 1123 · 55 L. Ed. 2d 364 · 1978 U.S. LEXIS 19
- Docket number
- 76-864
- Decided
- March 29, 1978
- Argued
- October 4, 1977
- Court era
- Burger Court
- Decision type
- Opinion of the Court (orally argued)
- Disposition
- Affirmed
- Outcome for petitioner
- The petitioning party did not receive a favorable disposition
- Vote
- 5–4
- Majority opinion
- William J. Brennan Jr.
- Opinion assigned by
- Warren E. Burger
- How the case arrived
- Certiorari
- Issue (SCDB)
- Antitrust
- Issue area
- Economic Activity
- Legal provision
- Sherman Act
- Type of law
- Federal statute
- Decision direction (SCDB)
- Liberal what this means
How the Justices voted
| Justice | Vote | Separate writing |
|---|---|---|
| Justice William J. Brennan Jr. | Majority | Wrote an opinion |
| Justice Potter Stewart | Dissent | Wrote an opinion |
| Justice Byron R. White | Dissent | |
| Justice Thurgood Marshall | Concurrence | Wrote an opinion |
| Chief Justice Warren E. Burger | Concurrence | Wrote an opinion |
| Justice Harry A. Blackmun | Dissent | Wrote an opinion |
| Justice Lewis F. Powell Jr. | Majority | |
| Justice William H. Rehnquist | Dissent | |
| Justice John Paul Stevens | Majority |
Full case caption
City of Lafayette, Louisiana, et al. v. Louisiana Power & Light Co.
SCDB identifiers: case 1977-059, docket 1977-059-01.
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Cases on the same legal provision: Sherman Act
- Rice v. Norman Williams Co.
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- Federal Trade Commission v. Superior Court Trial Lawyers Association
- United Mine Workers of America v. Pennington
- Local Union No. 189 v. Jewel Tea Co., Inc.
- United States v. First National Bank & Trust Co. of Lexington
Same Term, same area (Economic Activity)
- County Board of Arlington County v. Richards
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- Adamo Wrecking Co. v. United States
- Pfizer Inc. v. Government of India
- Carter v. MillerLaw held unconstitutional
- Raymond Motor Transportation, Inc. v. RiceLaw held unconstitutional
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