| A | B |
|---|
| Goods displayed on shelves in a self-service shop is an invitation to treat | Pharmaceutical Society of GB v Boots Chemists (1953) |
| A mere statement of price is an invitation to treat | Harvey v Facey (1893) |
| Goods on display in a shop window are invitations to treat | Fisher v Bell (1961) |
| Lots at an auction are invitations to treat | British Car Auctions v Wright (1972) |
| Goods or services advertised in a newspaper are invitations to treat | Partridge v Crittenden (1968) |
| An offer must be communicated | Taylor v Laird (1856) |
| An offer can be made to the whole world | Carlill v The Carbolic Smoke Ball Co Ltd (1893) |
| The terms of the offer must be certain | Guthing v Lynn (1831) |
| An offer can be withdrawn any time up to acceptance | Routledge v Grant (1828) |
| The withdrawal must be communicated to the offeree | Byrne v Van Tienhoven (1880) |
| The witrhdrawal can be communicated by a reliable third party | Dickinson v Dodds (1876) |
| Unilateral offers do not require acceptance, only performance | Errington v Errington and Woods (1952) |
| Acceptance must be communicated | Felthouse v Bindley (1863) |
| If use of the post is the normal, anticipated method of acceptance the contract is formed on posting | Adams v Lindsell (1818) |
| The postal rule applies even if the letter was never received | Household Fire Insurance v Grant (1879) |
| Acceptance must be unconditional | Hyde v Wrench (1840) |
| Mere enquiries are not rejections of the offer | Stevenson v McLean (1880) |
