Hyde v Wrench- tried to reinforce a previous offer after a counter offer, but the counter offer had cancelled it
Butler Machine Tool v Excell-o-corp- included terms, not money
Conditional acceptance
If offerees put a condition in the acceptance, then it is not binding
Communication of acceptance
acceptance must be communicated to the offerror
Lord Denning in Entores v Miles Far East Corp- "if a man shouts an offer to a man across the river but the reply is not heard because of a plane flying over, there is not contract"
Felthouse v bindley- silence is not acceptance
Entores v Miles Far East Corp- acceptance not until it is recieved by the other person on technology
Exceptions to the communication rule
Unilateral contracts- carrying out task is enough to give acceptance
offerror may expressly or by implication waive the need for communication of acceptance
The postal rule- acceptance is as soon as it is posted
The postal rule extended
Adams v Lindsell- must be properly stamped and addressed
Holwell Securities v Hughes- only accepted when "seen in writing", therefore rule didn't apply
Knowledge of the offer
need to know knowledge of the offer when doing the act, if not then it is not acceptance
