Perma Life Mufflers, Inc. v. International Parts Corp.
392 U.S. 134 · Decided June 10, 1968 · 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
Perma Life Mufflers, Inc. v. International Parts Corp. was decided on June 10, 1968 by a vote of 7–2. The Court reversed the lower court's decision and remanded the case. Justice Hugo L. Black wrote the opinion of the Court. SCDB classifies its main issue as “Antitrust” in the Economic Activity area.
Read the opinion
Case details
- Citations
- 392 U.S. 134 · 88 S. Ct. 1981 · 20 L. Ed. 2d 982 · 1968 U.S. LEXIS 3168
- Docket number
- 733
- Decided
- June 10, 1968
- Argued
- April 22, 1968
- Court era
- Warren Court
- Decision type
- Opinion of the Court (orally argued)
- Disposition
- Reversed and remanded
- Outcome for petitioner
- The petitioning party received a favorable disposition
- Vote
- 7–2
- Majority opinion
- Hugo L. Black
- Opinion assigned by
- Earl Warren
- 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 Hugo L. Black | Majority | Wrote an opinion |
| Justice William O. Douglas | Majority | |
| Chief Justice Earl Warren | Majority | |
| Justice John M. Harlan II | Dissent | Wrote an opinion |
| Justice William J. Brennan Jr. | Majority | |
| Justice Potter Stewart | Dissent | |
| Justice Byron R. White | Concurrence | Wrote an opinion |
| Justice Abe Fortas | Special concurrence | Wrote an opinion |
| Justice Thurgood Marshall | Special concurrence | Wrote an opinion |
Full case caption
Perma Life Mufflers, Inc., et al. v. International Parts Corp. et al.
SCDB identifiers: case 1967-160, docket 1967-160-01.
Related decisions
Other cases on “Antitrust”
- Hanover Shoe, Inc. v. United Shoe Machinery Corp.
- United States v. United Shoe Machinery Corp.
- First National Bank of Arizona v. Cities Service Co.
- Federal Trade Commission v. Fred Meyer, Inc.
- Albrecht v. Herald Co.
- United States v. Concentrated Phosphate Export Assn., Inc.
Cases on the same legal provision: Sherman Act
- Zenith Radio Corp. v. Hazeltine Research, Inc.
- 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
- Los Angeles Meat & Provision Drivers Union v. United States
- International Boxing Club of New York, Inc. v. United States
Same Term, same area (Economic Activity)
- Wyandotte Transportation Co. v. United States
- United States v. Penn-Olin Chemical Co.
- Burke v. Ford
- Tcherepnin v. Knight
- Case-Swayne Co., Inc. v. Sunkist Growers, Inc.
- City of Pottsville v. United States
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