This is a list of cases reported in volume 18 (5 Wheat.) of United States Reports, decided by the Supreme Court of the United States in 1820.^[1]

Quick Facts Supreme Court of the United States, Established ...

Supreme Court of the United States
38°53′26″N 77°00′16″W
Established	March 4, 1789; 235 years ago (1789-03-04)
Location	Washington, D.C.
Coordinates	38°53′26″N 77°00′16″W
Composition method	Presidential nomination with Senate confirmation
Authorized by	Constitution of the United States, Art. III, § 1
Judge term length	life tenure, subject to impeachment and removal
Number of positions	9 (by statute)
Website	supremecourt.gov

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In 1874, the U.S. government created the United States Reports, and retroactively numbered older privately published case reports as part of the new series. As a result, cases appearing in volumes 1–90 of U.S. Reports have dual citation forms; one for the volume number of U.S. Reports, and one for the volume number of the reports named for the relevant reporter of decisions (these are called "nominative reports").

The Supreme Court is established by Article III, Section 1 of the Constitution of the United States, which says: "The judicial Power of the United States, shall be vested in one supreme Court . . .". The size of the Court is not specified; the Constitution leaves it to Congress to set the number of justices. Under the Judiciary Act of 1789 Congress originally fixed the number of justices at six (one chief justice and five associate justices).^[2] Since 1789 Congress has varied the size of the Court from six to seven, nine, ten, and back to nine justices (always including one chief justice).

When the cases in 18 U.S. (5 Wheat.) were decided, the Court comprised these seven justices:

Under the Judiciary Act of 1789 the federal court structure at the time comprised District Courts, which had general trial jurisdiction; Circuit Courts, which had mixed trial and appellate (from the US District Courts) jurisdiction; and the United States Supreme Court, which had appellate jurisdiction over the federal District and Circuit courts—and for certain issues over state courts. The Supreme Court also had limited original jurisdiction (i.e., in which cases could be filed directly with the Supreme Court without first having been heard by a lower federal or state court). There were one or more federal District Courts and/or Circuit Courts in each state, territory, or other geographical region.

Bluebook citation style is used for case names, citations, and jurisdictions.

• "C.C.D." = United States Circuit Court for the District of . . .
  • e.g.,"C.C.D.N.J." = United States Circuit Court for the District of New Jersey
• "D." = United States District Court for the District of . . .
  • e.g.,"D. Mass." = United States District Court for the District of Massachusetts
• "E." = Eastern; "M." = Middle; "N." = Northern; "S." = Southern; "W." = Western
  • e.g.,"C.C.S.D.N.Y." = United States Circuit Court for the Southern District of New York
  • e.g.,"M.D. Ala." = United States District Court for the Middle District of Alabama
• "Ct. Cl." = United States Court of Claims
• The abbreviation of a state's name alone indicates the highest appellate court in that state's judiciary at the time.
  • e.g.,"Pa." = Supreme Court of Pennsylvania
  • e.g.,"Me." = Supreme Judicial Court of Maine

NOTE: Some decisions have alternate pagination, indicated by "{ }."