Carlill v Carbolic Smoke Ball Co
An offer is a clear, definite promise to be bound when accepted. A unilateral offer can be made to the world at large.
Partridge v Crittenden
Advertisements are usually invitations to treat, not offers.
Fisher v Bell
Display of goods in a shop window is an invitation to treat, not an offer
British Car Auctions v Wright
The auctioneer’s display of goods is merely an invitation to treat, not an offer.
harvey v facey
A statement giving a “lowest price” in response to a question about willingness to sell is not an offer, but merely a request for information / invitation to treat.
Taylor v Laird
An offer must be communicated to the offeree to be valid
Routledge v Grant
An offer can be revoked at any time before acceptance, even if the offeror promised to keep it open.
UNLESS the offeree gave him something in exchange for keeping it open
Dickinson v Dodds
Revocation can be communicated by a reliable third party, not just the offeror personally.
Ramsgate Victoria Hotel v Montefiore
If the offer is not accepted within a reasonable time, it lapses.
Hyde v Wrench
Rejection or counter-offer ends the original offer — it cannot be accepted later.
Stevenson v McLean
Request for information does not count as rejection
