Private lawPrivate law is that part of a legal system which is part of the jus commune that involves relationships between individuals such as the law of contract or torts as it is called in the common law and the Law of Obligations as it is called in civilian legal systems. It is to be distinguished from public law which deals with relationships between individuals, business entities, non-profit organizations with the state including regulatory statutes. penal law and other law that effects the public order. See civil law. This article is a stub. If you are knowledgeable about this subject please help make it more complete.