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Why are many high courts allowed to choose which appeals they will hear?

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Wood-paneled courtroom with judge's bench, American and Nevada flags, wooden chairs and tables, and a mounted animal head above the bench in the Esmeralda County courthouse, Goldfield, Nevada. — Court Judge's bench in a courtroom in Nevada, U.S.

High courts, such as the Supreme Court of the United States, are often granted discretion in selecting their caseload to manage the vast volume of appeals they receive while focusing on their primary function: the promulgation of binding rules of decision that ensure uniformity and provide guidance across the judicial system.21

In the United States, the Court receives thousands of certiorari requests annually but hears only a small fraction of them. This discretionary power allows the justices to prioritize cases that involve significant questions of law, constitutional interpretation, or the need to correct errors and excesses by lower courts. By selecting cases that address salient legal issues, the Court can effectively establish controlling constitutional doctrine.234

This process is governed by specific rules, such as the "Rule of Four," which requires at least four justices to agree to review a case. By exercising this discretion, high courts avoid being overwhelmed by the sheer number of petitions, allowing them to dedicate their resources to cases that have the greatest impact on the development and consistency of the law.321