Eastwood v Kenyon
Consideration must not be past
Pao On v Lau Yiu Long
Exception to past consideration:
1) Act done at promisor’s request
2) Payment normally understood to be due
3) Otherwise enforceable
Tweddle v Atkinson
Consideration must move from promisee to promisor
Chappell v Nestle
Consideration must be sufficient not adequate
Hamer v Sidaway
Giving up a legal right can be valuable consideration