Requirements of an offer
| Intent of offror | Objective test | Preliminary negotiation is not offer. |
| Definite & certain | Essential terms | Parties Price Time for performance Subject matter |
| Communication to offeree | Effective when received by offeree Not assignable |
| Intent of acceptance | Silence is not acceptance. |
| Unequivocal & unconditional | Mirror image rule |
| Dispatch rule mail box rule | Except Unauthorized means of acceptance Not the same means used by the offeror Offer said "Acceptance is effective when received" |
| inducement | execution |
| voidable | void |
| Elements of Fraud | Actual Fraud | Constructive Fraud |
| Misrepresentation of a material fact | Yes | Yes |
| Scienter | kowledge of falsity | reckless disregard |
| Reasonable reliance | Yes | Yes |
| Damage,Injury | Yes | Yes |
| Element | voidable | void | |
| Lack of reality of consent | Fraud | inducement | execution |
| Mistake | Mutual,Bid | ||
| Undue influence | Undue influence | ||
| Duress | Ordinary Duress | Extream Duress | |
| Inability | Minor | Minor can disaffirm contract. Minor can disaffirm contract within a reasonable time after becoming majority. | |
| Intoxicated | Degree of intoxication is great. | ||
| Insane | Adjudicated insane after contract | Adjudicated insane before contract | |
| Illegal contract | Regulatory licensing statute |