Key Takeaways
- Contract formed by conduct, not words.
- Implied-in-fact requires mutual intent inferred.
- Implied-in-law prevents unjust enrichment.
- Enforceable like explicit agreements.
What is Implied Contract?
An implied contract is a legally binding agreement formed through the conduct or circumstances of the parties rather than explicit written or spoken terms. This type of contract relies on actions that demonstrate mutual intent to enter an agreement, even if no formal paperwork exists.
Such contracts ensure fairness by preventing unjust enrichment when one party benefits from another’s performance without a clear express contract. Understanding implied contracts can help you navigate agreements that arise naturally in everyday business or personal dealings, similar to concepts found in haggle negotiations.
Key Characteristics
Implied contracts share essential traits with express contracts but are distinguished by their formation through behavior or circumstances:
- Mutual assent: Both parties’ actions indicate an understanding and acceptance of terms, even if unstated.
- Enforceability: Courts treat implied contracts as equally binding, provided the conduct clearly shows intent.
- Prevention of unjust enrichment: They often arise to avoid one party benefiting unfairly at another’s expense.
- Two types: Implied-in-fact contracts form through conduct, whereas implied-in-law contracts (quasi-contracts) are court-imposed obligations.
- Consideration: There must be an exchange of value, similar to how earnest money signals commitment in formal deals.
How It Works
Implied contracts operate when your actions demonstrate acceptance of an agreement without verbal or written confirmation. For example, if you regularly accept a service or product without objection, your conduct implies a contract to pay for those goods or services.
Courts assess implied contracts by examining evidence like partial performance, industry customs, or habitual business behavior. This approach aligns with principles found in game theory, where the anticipation of mutual benefit guides decision-making.
Examples and Use Cases
Implied contracts appear frequently in common scenarios where formal agreements are absent but obligations arise:
- Airlines: Companies like Delta and American Airlines provide services that passengers accept by boarding, implying payment contracts.
- Barbershops and salons: Sitting for a haircut implies you agree to pay the reasonable price charged.
- Ongoing business relationships: Accepting recurring deliveries or services without objection implies a continuing contractual agreement.
- Vending machines: Inserting money and taking a product creates an implied contract to pay for that item.
Important Considerations
When relying on implied contracts, be aware that proof of mutual intent depends heavily on conduct and context, which can make enforcement challenging. Certain agreements, especially those involving high-value transactions, may require written contracts by law, limiting implied contract applicability.
Understanding when an implied contract applies can help you avoid disputes and recognize obligations early, much like evaluating options with tools such as the best online brokers to ensure clear, mutually agreed terms.
Final Words
Implied contracts hold legal weight based on actions and circumstances, not just written agreements. To protect your interests, carefully document interactions that may suggest mutual obligations and consult a professional if disputes arise.
Frequently Asked Questions
An implied contract is a legally binding agreement formed through the parties' conduct or circumstances rather than explicit words. It is enforceable like express contracts when mutual intent and agreement are inferred from actions.
An implied-in-fact contract arises from the parties' conduct showing mutual understanding and intent to agree, while an implied-in-law contract is court-imposed to prevent unjust enrichment without actual mutual assent.
Examples include ordering and drinking coffee at a shop, receiving a haircut without discussing price, or using a vending machine. These actions imply an agreement to pay for the service or product.
Key elements include mutual assent inferred from conduct, a legal obligation, an exchange of value or consideration, and no gratuitous intent, especially in cases of quasi-contracts.
Yes, courts can enforce implied contracts by examining the parties' actions and circumstances to determine if a mutual agreement or obligation existed, often to prevent unjust enrichment.
Implied contracts matter because they can establish binding agreements even without written or spoken terms, ensuring that parties are held accountable based on their conduct and preventing unfair benefit.
The primary purpose of an implied-in-law (quasi) contract is to prevent one party from being unjustly enriched at the expense of another, by requiring compensation for benefits received without a formal agreement.
Silent acceptance, such as not objecting when work begins after a verbal discussion, can imply agreement and mutual assent, forming the basis of an implied contract.


