Rondeau v. Mosinee Paper Corp.

Decided June 17, 1975. Warren Earl Burger delivered the opinion of the Court.

Docket 74-415 · 422 U.S. 49 (1975) · Cited 428 times

Holding

A showing of irreparable harm, in accordance with traditional principles of equity, is necessary before a private litigant can obtain injunctive relief based upon 13(d) of the Securities Exchange Act.

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 6–3.

“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.

• Mills v. Electric Auto-Lite Co. · 396 U.S. 375 (1970)
• Hecht Co. v. Bowles · 321 U.S. 321 (1944)
• J. I. Case Co. v. Borak · 377 U.S. 426 (1964)
• Deckert v. Independence Shares Corp. · 311 U.S. 282 (1940)
• United States v. W. T. Grant Co. · 345 U.S. 629 (1953)
• Beacon Theatres, Inc. v. Westover · 359 U.S. 500 (1959)
• Youngstown Sheet & Tube Co. v. Sawyer · 343 U.S. 579 (1952)
• Securities Investor Protection Corp. v. Barbour · 421 U.S. 412 (1975)
• Wiener v. United States · 357 U.S. 349 (1958)
• Morley Construction Co. v. Maryland Casualty Co. · 300 U.S. 185 (1937)

Cited by

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

• Edgar v. Mite Corp. · 457 U.S. 624 (1982)
• Piper v. Chris-Craft Industries, Inc. · 430 U.S. 1 (1977)
• Schreiber v. Burlington Northern, Inc. · 472 U.S. 1 (1985)
• City of Los Angeles v. Lyons · 461 U.S. 95 (1983)
• Ernst & Ernst v. Hochfelder · 425 U.S. 185 (1976)
• Weinberger v. Romero-Barcelo · 456 U.S. 305 (1982)
• National Farmers Union Insurance v. Crow Tribe of Indians · 471 U.S. 845 (1985)
• United States v. O'Hagan · 521 U.S. 642 (1997)

Official text

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

Explore from here

Warren Earl Burger’s profile · All Supreme Court opinions · The Supreme Court

Source: Supreme Court of the United States, slip opinions (1975). 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).