injuria sine damno and damnum sine injuria . By damnum is meant damage in the substantial sense of money, loss of comfort, service, health, or the like. By injuria is meant a Tortious act, it need not be wilful and malicious. Any unauthorised interference however trivial, with some general right conferred by the law on a person, is an injury. In cases of injuria sine damno , that is, the infringement of a legal private right “without any actual loss or damage”, A good example here is in respect of the Tort of Trespass to Land. X walks across Y's lawn without damaging any grass. This is Trespass despite absence of physical damage. Y will maintain a cause of action in Trespass. In cases of damnum sine injuria , that is, “actual and substantial loss without infringement of any legal right”, no action lie. Mere loss in money or money’s worth does not of itself constitute legal damage:
27 For instance where "A" opens a supermarket near B’s shop. B loses customers, B cannot maintain an action against A if A does not violate any other law in the process. As promising Lawyers you must learn to separate emotions, anger, sufferings etc., from damage recognised by law (LEGAL DAMAGE). The wrongful act must come under the category of wrongs for which the remedy is a civil action for damages. The essential remedy for a Tort is an