Civil law is a branch of the law. In the law of the United States, the term refers to non-criminal law. The law relating to civil wrongs and quasi-contracts is part of the civil law, as is law of property.

Commercial law, also known as trade law, is the body of law that applies to the rights, relations, and conduct of persons and businesses engaged in commerce, merchandising, trade, and sales. It is often considered to be a branch of civil law and deals with issues of both private law and public law.