1. Law established by the decisions of courts in individual cases, rather than by statutes or regulations; precedent.
Usage: Usually used in plural or as a mass noun; Legal/formal register

Examples

• The attorney cited relevant case laws to support her argument in court.
• Case laws from previous decisions help judges interpret ambiguous statutes.
• Law students spend much of their time studying case laws and legal principles.
• The ruling established new case laws that would affect similar disputes for years to come.
• Judges must consider existing case laws when deciding novel legal questions.
• Case laws evolve as courts revisit and refine their interpretations over time.