English Contract Law General Principles

“The sole question is whether the exhibition of that knife in the window with the ticket constituted an offer for sale within the statute. I confess that I think most lay people and, indeed, I myself when I first read the papers, would be inclined to the view that to say that if a knife was displayed in a window like that with a price attached to it was not offering it for sale was just nonsense. In ordinary language it is there inviting people to buy it, and it is for sale; but any statute must of course be looked at in the light of the general law of the country. Parliament in its wisdom in passing an Act must be taken to know the general law. It is perfectly clear that according to the ordinary law of contract the display of an article with a price on it in a shop window is merely an invita

There was a similar outcome in Pharmaceutical Society of Great Britain v Boots.…

The Court of Appeal ruled that the sale via the “self-service” system did not violate…

“…in the case of an ordinary shop, although goods are displayed and it is intended that customers should go and choose what they want, the contract is not completed until, the customer having indicated the articles which he needs, the shopkeeper, or someone on his behalf, accepts that offer. Then the contract is completed.”(33)…