⚖ Legal Lexicon sources of authority
DictionariesFounding-era meaningAmerican vs British common lawPersuasive authorityReception of English lawThe FederalistAmerican LexiconDictionary directoryUsing Black’s correctly

Mandamus (writ of)

← the full American Legal Lexicon

Mandamus (writ of) procedure
A court order commanding a government official or lower court to perform a clear legal duty they are refusing to do.
Technical: An extraordinary writ compelling performance of a clear, nondiscretionary duty where no other adequate remedy exists; famously discussed in Marbury v. Madison, 5 U.S. (1 Cranch) 137 (1803).

A dictionary entry is reference: it describes how a term is used. It is not itself binding law. Why that matters →

Act on this

Somewhere to act on what you just read — start with our own tools:

Legal information, not legal advice.