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Somewhat rarely, but not uncommonly, parties may agree that in return for the promise…
The classic example of a unilateral contract is Carlill v Carbolic Smoke Ball.…
The Court of Appeal granted judgment for the claimant. Bowen LJ made the following…
“It was also said that the contract is made with all the world - that is, with everybody; and that you cannot contract with everybody. It is not a contract made with all the world. There is the fallacy of the argument. It is an offer made to all the world; and why should not an offer be made to all the world which is to ripen into a contract with anybody who comes forward and performs the condition? It is an offer to become liable to any one who, before it is retracted, performs the condition, and, although the offer is made to the world, the contract is made with that limited portion of the public who come forward and perform the condition on the faith of the advertisement.…
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In many cases you look to the offer itself. In many cases you extract from the character of the transaction that notification is not required, and in the advertisement cases it seems to me to follow as an inference to be drawn from the transaction itself that a person is not to notify his acceptance of the offer before he performs the condition, but that if he performs the condition notification is dispensed with. It seems to me that from the point of view of common sense no other idea could be entertained. If I advertise to the world that my dog is lost, and that anybody who brings the dog to a particular place will be paid some money, are all the police or other persons whose business it is to find lost dogs to be expected to sit down and write me a note saying that they have accepted my proposal? Why, of course, they at once look after the dog, and as soon as they find the dog they have performed the condition. The essence of the transaction is that the dog should be found, and it is not necessary under such …
