- A system of legal principles and rules that evolve from court decisions, customs, and general principles, and are used when no specific laws apply
- Originated from English courts, a field of law characterized by distinctive remedies such as payment of damages or the recovery of property
- An English-originated legal system forming the foundation of U.S. federal law and state law, with the exception of the state of Louisiana
- Pertaining to or grounded in the common law system
- Associated with or based on a marriage recognized by the common law, but not formally registered
- The ruling was based on common-law principles, even though no specific statute applied to the situation.
- The common-law system was established by English courts and is distinguished from statutory and regulatory laws.
- In a common-law marriage, the couple lives together and presents themselves as married without having a formal ceremony or license.