Eastern Railroad Presidents Conference et al. v. Noerr Motor Freight, Inc., et al.

Decided February 20, 1961. Hugo Lafayette Black delivered the opinion of the Court.

Docket 50 · 365 U.S. 127 (1961) · Cited 1,996 times

We don’t yet publish a summary of this opinion — read the official text below for the Court’s holding and reasoning.

How the Justices voted

Decided 9–0.

“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.

• Parker v. Brown · 317 U.S. 341 (1943)
• United States v. Rock Royal Co-Operative, Inc. · 307 U.S. 533 (1939)
• United States v. Harriss · 347 U.S. 612 (1954)
• Apex Hosiery Co. v. Leader · 310 U.S. 469 (1940)
• United States v. Rumely · 345 U.S. 41 (1953)

Cited by

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

• Allied Tube & Conduit Corp. v. Indian Head, Inc. · 486 U.S. 492 (1988)
• Professional Real Estate Investors, Inc. v. Columbia Pictures Industries, Inc. · 508 U.S. 49 (1993)
• California Motor Transport Co. v. Trucking Unlimited · 404 U.S. 508 (1972)
• Cantor v. Detroit Edison Co. · 428 U.S. 579 (1976)
• City of Columbia v. Omni Outdoor Advertising, Inc. · 499 U.S. 365 (1991)
• National Ass'n for the Advancement of Colored People v. Claiborne Hardware Co. · 458 U.S. 886 (1982)
• BE&K Construction Co. v. National Labor Relations Board · 536 U.S. 516 (2002)
• City of Lafayette v. Louisiana Power & Light Co. · 435 U.S. 389 (1978)
• Federal Trade Commission v. Superior Court Trial Lawyers Ass'n · 493 U.S. 411 (1990)
• United Mine Workers v. Pennington · 381 U.S. 657 (1965)
• Citizens United v. Federal Election Commission · 558 U.S. 310 (2010)
• National Organization for Women, Inc. v. Scheidler · 510 U.S. 249 (1994)
• Otter Tail Power Co. v. United States · 410 U.S. 366 (1973)
• Continental Ore Co. v. Union Carbide & Carbon Corp. · 370 U.S. 690 (1962)
• Smith v. Arkansas State Highway Employees, Local 1315 · 441 U.S. 463 (1979)
• Hoover v. Ronwin · 466 U.S. 558 (1984)
• Southern Motor Carriers Rate Conference, Inc. v. United States · 471 U.S. 48 (1985)
• Buckley v. Valeo · 424 U.S. 1 (1976)
• Broadrick v. Oklahoma · 413 U.S. 601 (1973)
• National Ass'n for the Advancement of Colored People v. Button · 371 U.S. 415 (1963)
• R. A. v. v. City of St. Paul · 505 U.S. 377 (1992)
• Williams v. Rhodes · 393 U.S. 23 (1968)
• First Nat. Bank of Boston v. Bellotti · 435 U.S. 765 (1978)
• National Society of Professional Engineers v. United States · 435 U.S. 679 (1978)
• Regan v. Taxation With Representation of Washington · 461 U.S. 540 (1983)
• United States v. Robel · 389 U.S. 258 (1967)
• Group Life & Health Insurance v. Royal Drug Co. · 440 U.S. 205 (1979)
• Borough of Duryea v. Guarnieri · 564 U.S. 379 (2011)
• In Re Primus · 436 U.S. 412 (1978)
• Citizens Against Rent Control/Coalition for Fair Housing v. City of Berkeley · 454 U.S. 290 (1981)

Official text

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

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Hugo Lafayette Black’s profile · All Supreme Court opinions · The Supreme Court

Source: the U.S. Reports via govinfo.gov; authoring Justice and vote lineup from the Supreme Court Database (Washington University). 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).