Commercial law or business law is the body of law which governs business and commerce and is often considered to be a branch of civil law and deals both with issues of private law and public law. Commercial law regulates corporate contracts, hiring practices, and the manufacture and sales of consumer goods.

An area of the law that deals with family-related issues and domestic relations including, but not limited to marriage, civil unions, divorce, spousal abuse, child custody and visitation, property, alimony, and child support awards, as well as child abuse issues, and adoption.

civil action brought before a court in order to recover a right, obtain damages for an injury, obtain an injunction to prevent an injury, or obtain a declaratory judgment to prevent future legal disputes. It usually involves dispute resolution of private law issues between individuals, business entities or non-profit organizations. However, it may involve public law issues in those jurisdictions that enable the government to be treated as if it were a private party in a lawsuit

The liability for bodily injury or property damage incurred by a merchant or manufacturer as a consequence of some defect in the product sold or manufactured or the liability incurred by a contractor after he has completed a job as a result of improperly performed work.