The Most Powerful Court in the World Gave Itself That Power — the Constitution Never Actually Said It Could
United States — Judicial Affairs Profile
| 📅 Judicial Branch Established | Article III, U.S. Constitution (1789) |
| 🏛️ Judges Appointed By | President, with Senate confirmation (Article II) |
| 🌍 Capital | Washington, D.C. |
| ⚖️ Tenure | Lifetime — "during good Behaviour" |
| 🛡️ Removal Method | Impeachment by the House, conviction by the Senate |
| 🚨 Most Famous Self-Granted Power | Judicial review — established by the Court itself in 1803, not written into the Constitution |
The single most important power the U.S. Supreme Court holds — the ability to strike down a law passed by Congress — appears nowhere in the text of the Constitution. The Court simply announced, in 1803, that it had this power. And it did so at a moment of real political danger, while the man who wanted to use impeachment to gut the judiciary was sitting in the White House, watching.
A Two-Sentence Article, Left Deliberately Vague
Article III is the shortest of the three articles establishing the branches of the federal government, and its opening line is almost casual about what it creates. The Judicial Power of the United States shall be vested in one supreme Court, and in such Inferior Courts as shall, when necessary, from time to time, be constituted by the Legislature of the United States. The Constitution guarantees a Supreme Court will exist, but leaves the entire shape of the rest of the federal court system to be worked out later, in ordinary politics.
The article doesn't even specify how many justices should sit on the Court. Congress has changed that number several times over the country's history, from as few as five to as many as ten, before it was fixed at nine shortly after the Civil War. A number most Americans now treat as a constitutional fact is, in reality, just whatever Congress last decided it should be.
The Power to Overrule Congress Was Never Written Down — the Court Wrote It In Itself
Here is the detail that surprises people most about American judicial power: the Constitution does not expressly grant the federal courts the power to declare government actions unconstitutional. Though the Constitution anticipated that courts might hear cases "arising under" its provisions, it never explicitly mentioned judicial review at all.
The Court asserted that power for itself in 1803, in the case of a man who never got his job. William Marbury had been appointed a justice of the peace in the final days of John Adams's presidency, but his commission was never delivered before Thomas Jefferson took office, and the new administration refused to hand it over. Chief Justice John Marshall's opinion concluded that the law Marbury was relying on had unconstitutionally tried to expand the Supreme Court's own jurisdiction — and in the course of saying so, established that federal courts have the authority to strike down laws that conflict with the Constitution.
It was, Marshall argued, implied by Article III's grant of power over cases "arising under" the Constitution, by federal judges' oaths to uphold it, and by the Supremacy Clause declaring the Constitution the supreme law of the land. None of those three arguments was, technically, a sentence in the Constitution granting the power outright. The Court built the foundation of American constitutional law largely out of inference.
The Justice Who Wrote That Decision Was Terrified the Court Would Be Punished for It
What rarely makes it into the textbook version of Marbury v. Madison is how frightened the man who wrote it actually was — and why.
Jefferson's Democratic-Republican Congress had already repealed the Judiciary Act of 1801, eliminating most of the federal judgeships the outgoing Federalists had just filled, and went on to impeach Supreme Court Justice Samuel Chase — though the Senate acquitted him amid party infighting. Marshall knew he might be impeachment's next target if Chase had been convicted, and the prospect shook him badly enough that he wrote to Chase suggesting Congress should simply be given appellate power to overturn judicial opinions it disagreed with, rather than removing the judges who wrote them.
Had Chase's impeachment succeeded, many legal historians believe judicial review itself might never have survived as a durable doctrine. The single most consequential ruling in American legal history was decided in the shadow of a fight that, had it gone the other way, could have erased the power Marshall was busy inventing.
Lifetime Tenure Was the Deliberate Trade-Off for That Power
The Constitution's drafters anticipated that a judiciary capable of overruling the elected branches would need serious insulation from political pressure — and built that insulation directly into Article III's second sentence. Federal judges receive life tenure during "good Behaviour," and Congress is constitutionally barred from reducing their compensation while they remain in office. Alexander Hamilton, defending the design in Federalist No. 78, argued that permanent tenure was essential precisely because nothing else would produce the "independent spirit" judges would need to declare unconstitutional acts void.
The trade-off cuts both ways. Because Supreme Court appointments are for life, the political ideology of the president who makes the nomination can shape the judiciary's direction for decades after that president has left office. A single appointment, confirmed once, can outlast the administration that made it by half a century or more.
The Only Way to Remove a Judge Is the Same Tool That Once Tried to Punish One for a Ruling
The Constitution gives Congress exactly one formal mechanism for removing a sitting federal judge, and it's the same mechanism that nearly ended judicial review before it had a chance to take root. The Constitution gave Congress the power to impeach and remove officials, including judges or the president himself — one piece of the deliberate system of mutual restraints the framers built between the three branches.
It's a blunt instrument by design: impeachment requires a political majority willing to act, not simply a disagreement with how a judge ruled. Samuel Chase's 1804 impeachment was explicitly framed around his judicial conduct, and his acquittal effectively established, in practice, that impeachment would not become a routine tool for punishing judges over the substance of their rulings. The precedent that emerged was as much about what impeachment should not be used for as what it could.
A President Once Tried to Simply Add More Judges Instead
If you can't remove a judge for ruling the wrong way, there's an obvious workaround: change how many judges there are. In 1937, President Franklin D. Roosevelt proposed what became known as the "court-packing plan," a bill that would have let him appoint an additional justice for every sitting justice over the age of 70 — up to six new seats — after the Court had repeatedly struck down New Deal legislation he considered essential.
The plan never passed, but it remains the clearest historical example of a president attempting to reshape the Court's outcomes not through legal argument, but through its raw numbers. Article III never fixed the size of the Court precisely so Congress could adjust the federal judiciary over time — Roosevelt's plan simply tested how far that flexibility could be pushed for explicitly political ends.
Constitution at a Glance
| Detail | Information |
|---|---|
| Judicial Branch Established | Article III, U.S. Constitution |
| Number of Justices Specified in Constitution | None — left to Congress |
| Current Supreme Court Size (Fixed) | 9 (since shortly after the Civil War) |
| Judicial Review Established | 1803 — Marbury v. Madison (not in the constitutional text) |
| Justice Samuel Chase Impeached | 1804 — acquitted by the Senate |
| Judicial Tenure | Lifetime, "during good Behaviour" |
| Removal Mechanism | Impeachment (House) + conviction (Senate) |
| Appointment Process | Presidential nomination + Senate confirmation |
| FDR's Court-Packing Plan | 1937 — proposed, never passed |
| Annual Case Requests vs. Cases Heard | ~7,000+ requested; ~100–150 heard |
📥 Read Article III of the U.S. Constitution
Read the complete, official text of Article III at the National Archives or Library of Congress:
👉 Read Article III — Full Text (Congress.gov)
A power the Constitution never wrote down, claimed by a Chief Justice who feared impeachment the entire time he claimed it. A removal process used once against a judge for his rulings — and never quite that way again. A president who tried to out-vote the Court by simply adding more judges to it. What part of America's judicial system surprised you most? Tell us in the comments below.
This article reflects an editorial reading of publicly available constitutional text and reporting, intended for general understanding rather than legal interpretation. Readers are encouraged to consult the original constitutional text linked above to form their own view.
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