Puerto RICO Department of Consumer Affairs, et al. v. Isla Petroleum Corporation et al.

Decided April 19, 1988. Antonin Scalia delivered the opinion of the Court.

Docket 86-1406 · 485 U.S. 495 (1988) · Cited 228 times

Holding

The Department's regulations are not pre-empted.

The Court’s statement of the holding, from the opinion’s syllabus. The syllabus is prepared by the Reporter of Decisions and is not part of the opinion of the Court — read the official opinion for authority.

How the Justices voted

Decided 8–0.

“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.

Precedents cited

Supreme Court decisions this opinion relies on, ordered by how often it cites each. Cases in our collection link through; others are named.

• Arkansas Electric Cooperative Corp. v. Arkansas Public Service Commission · 461 U.S. 375 (1983)
• Shaw v. Delta Air Lines, Inc. · 463 U.S. 85 (1983)
• Hines v. Davidowitz · 312 U.S. 52 (1941)
• Rice v. Santa Fe Elevator Corp. · 331 U.S. 218 (1947)
• Jones v. Rath Packing Co. · 430 U.S. 519 (1977)
• Hillsborough County v. Automated Medical Laboratories, Inc. · 471 U.S. 707 (1985)
• Calero-Toledo v. Pearson Yacht Leasing Co. · 416 U.S. 663 (1974)
• Louisiana Pub. Serv. Comm'n v. FCC · 476 U.S. 355 (1986)
• Examining Bd. of Engineers, Architects and Surveyors v. Flores De Otero · 426 U.S. 572 (1976)
• Northern Natural Gas Co. v. State Corp. Commission · 372 U.S. 84 (1963)

Cited by

Later Supreme Court opinions in our collection that cite this case.

• Kansas v. Garcia · 589 U.S. 191 (2020)
• Atlantic Richfield Co. v. Christian · 590 U.S. 1 (2020)
• Boyle v. United Technologies Corp. · 487 U.S. 500 (1988)
• Arizona v. United States · 567 U.S. 387 (2012)
• Felder v. Casey · 487 U.S. 131 (1988)
• Coit Independence Joint Venture v. Federal Savings & Loan Insurance · 489 U.S. 561 (1989)
• United States v. Granderson · 511 U.S. 39 (1994)
• Virginia Uranium, Inc. v. Warren · 587 U.S. 761 (2019)

Official text

Read the official opinion (U.S. Reports, govinfo.gov)

Explore from here

Antonin Scalia’s profile · All Supreme Court opinions · The Supreme Court

Source: Supreme Court of the United States, slip opinions (1988). Citation count from the Free Law Project’s CourtListener bulk data. Data last verified 2026-07-03. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).