Kennecott Copper Corp. v. United States
381 U.S. 414 · Decided June 1, 1965 · 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
Kennecott Copper Corp. v. United States was decided on June 1, 1965 by a vote of 6–2. The Court affirmed the lower court's decision. The decision was issued per curiam (an unsigned opinion of the Court). SCDB classifies its main issue as “Mergers” in the Economic Activity area.
Read the opinion
Case details
- Citations
- 381 U.S. 414 · 85 S. Ct. 1575 · 14 L. Ed. 2d 692 · 1965 U.S. LEXIS 2423
- Docket number
- 995
- Decided
- June 1, 1965
- Court era
- Warren Court
- Decision type
- Per curiam (no oral argument)
- Disposition
- Affirmed
- Outcome for petitioner
- The petitioning party did not receive a favorable disposition
- Vote
- 6–2
- Opinion assigned by
- Earl Warren
- How the case arrived
- Appeal
- Issue (SCDB)
- Mergers
- Issue area
- Economic Activity
- Decision direction (SCDB)
- Liberal what this means
How the Justices voted
| Justice | Vote | Separate writing |
|---|---|---|
| Justice Hugo L. Black | Majority | |
| Justice William O. Douglas | Majority | |
| Chief Justice Earl Warren | Majority | |
| Justice John M. Harlan II | Jurisdictional dissent | Co-authored an opinion |
| Justice William J. Brennan Jr. | Majority | |
| Justice Potter Stewart | Majority | |
| Justice Byron R. White | Majority | |
| Justice Arthur J. Goldberg | Jurisdictional dissent | Co-authored an opinion |
Full case caption
Kennecott Copper Corp. v. United States
SCDB identifiers: case 1964-130, docket 1964-130-01.
Related decisions
Other cases on “Mergers”
- Seaboard Air Line Railroad Co. v. United States
- United States v. Penn-Olin Chemical Co.
- United States v. Continental Can Co.
- Securities and Exchange Commission v. New England Electric System
- United States v. Von's Grocery Co.
- United States v. Aluminum Co. of America
Same Term, same area (Economic Activity)
- Brulotte v. Thys Co.
- Gillespie v. United States Steel Corp.
- King v. United States
- California v. Lo-Vaca Gathering Co.
- City of El Paso v. Simmons
- Securities and Exchange Commission v. American Trailer Rentals Co.
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