Public Policy and Illegality in Contract Law

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| Questions: 30 | Updated: Aug 15, 2026
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1. A restraint clause in an employment contract must provide the employer no more protection than is necessary to safeguard a legitimate proprietary interest.

Explanation

A restraint clause in an employment contract is designed to protect an employer's legitimate business interests, such as trade secrets or client relationships. However, if the clause is overly broad or restrictive, it may be deemed unenforceable. Therefore, it must be carefully tailored to ensure it only restricts the employee to the extent necessary to protect those interests, balancing the employer's needs with the employee's right to work and pursue their career. This principle helps maintain fairness in employment relationships while safeguarding legitimate business interests.

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Public Policy and Illegality In Contract Law - Quiz

This assessment focuses on public policy and illegality in contract law, evaluating your understanding of key concepts such as enforceability, public interest, and relevant case law. By taking this quiz, you'll deepen your knowledge of how contracts can be affected by illegal purposes and public policy considerations, which is essential... see morefor legal practitioners and students alike. see less

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2. Match the following cases with their corresponding legal principles:

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3. The doctrine of locus poenitentiae allows a guilty party to recover money or property transferred under an illegal contract if they repent before the contract is ____ in whole or in part.

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4. The structured discretionary approach involves balancing factors such as the seriousness of the illegality, the plaintiff's awareness of the illegality, and the ____ of the rule.

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5. Which Ghanaian Supreme Court case adopted the structured discretionary approach in determining recovery under illegal contracts?

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6. In Kiriri Cotton Co. Ltd v Dewani [1960] AC 192, the court held that where a statute is enacted to protect a certain class of persons, the party with the stronger bargaining power bears the duty to comply, so the protected party is not considered ____.

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7. The doctrine of 'in pari delicto' means that both parties are ____.

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8. In Amar Singh v Kulubya [1964] AC 142, the court allowed recovery because the plaintiff's claim was not founded on the ____ act.

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9. Which of the following are recognised exceptions to the general rule that money paid under an illegal contract is not recoverable?

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10. As a general rule, monies paid or properties transferred under an illegal contract are recoverable by the paying party.

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11. Where both parties are complicit in the illegal performance of a contract, the contract is treated as if it was illegal at its ____.

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12. Which case established that an innocent party may enforce a legally valid contract that was performed illegally, provided the innocent party did not condone or participate in the illegal performance?

Explanation

In Archibold v Spanglett, the court ruled that an innocent party could enforce a contract even if it was performed illegally, as long as they did not condone or participate in the illegal act. This case established a crucial principle in contract law, emphasizing that the rights of an innocent party should be protected, allowing them to seek enforcement of the contract despite the illegal nature of the performance. This decision highlights the importance of distinguishing between the parties' involvement in the illegality when determining the enforceability of contracts.

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13. In Anderson v Daniel [1924] 1 KB 138, the court held that where a legal contract is performed illegally and the illegal act is central to the contract, the guilty party ____ enforce the contract.

Explanation

In Anderson v Daniel, the court ruled that if a contract is performed illegally and the illegal act is fundamental to the agreement, the party involved in the illegal conduct cannot seek enforcement of the contract. This principle reinforces the idea that the law does not provide remedies for parties engaged in unlawful activities, as it would contradict public policy by allowing individuals to benefit from their wrongdoing. Thus, the guilty party is barred from enforcing the contract due to its illegal nature.

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14. In Re Mahmoud & Ispahani [1921] 2 KB 716, the contract was held unenforceable because it was illegal at ____.

Explanation

In the case of Re Mahmoud & Ispahani, the contract was deemed unenforceable because it was illegal from the very beginning, or at inception. This means that the contract’s terms or the purpose behind it violated existing laws or public policy at the time it was created. Contracts that are founded on illegal activities cannot be enforced by law, as they undermine the legal system and societal norms. Thus, the illegality present at the inception rendered the contract void ab initio, meaning it was never valid.

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15. Which of the following correctly describes the effect of a contract that is illegal at its inception?

Explanation

A contract that is illegal at its inception is considered void ab initio, meaning it is treated as if it never existed. Since both parties engaged in an unlawful agreement, neither can seek enforcement or remedies through the legal system. This principle upholds the integrity of the law by discouraging illegal activities and ensuring that courts do not assist in the enforcement of contracts that violate legal statutes. Thus, both parties are barred from enforcing such contracts.

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16. An otherwise valid contract may be rendered unenforceable if its purpose or object is ____.

Explanation

A contract's enforceability is contingent upon its purpose being lawful and aligned with public policy. If the objective of the contract involves illegal activities or contradicts societal norms and values, it undermines the legal framework designed to protect individuals and the community. Such contracts are deemed void as they could promote harm or injustice, making it impossible for the courts to uphold them. Therefore, contracts with illegal purposes or those that violate public policy cannot be enforced, ensuring that the legal system does not endorse or facilitate unlawful behavior.

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17. In Herbert Morris v Saxelby [1916] 1 AC 688, the court held that a restraint clause in an employment contract is only upheld where it is reasonably necessary to protect the employer's ____ or trade secrets.

Explanation

In Herbert Morris v Saxelby, the court emphasized that for a restraint clause in an employment contract to be enforceable, it must be essential for safeguarding the employer's legitimate interests, specifically their trade connections. This means that such clauses should not be overly broad or restrictive but should focus on protecting the employer's relationships and goodwill within their industry. The ruling highlights the balance between an employee's freedom to work and an employer's right to protect their business interests.

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18. Which of the following are the two main contexts in which contracts in restraint of trade arise?

Explanation

Contracts in restraint of trade primarily arise in employment contracts and sale of business agreements because they often involve clauses that restrict individuals from competing with the employer or seller after the termination of the relationship. In employment contexts, these clauses protect the employer's interests by preventing former employees from using proprietary knowledge to benefit competitors. In the sale of business agreements, such clauses ensure that the seller does not undermine the value of the business by starting a competing venture nearby. Both contexts aim to balance fair competition with the protection of legitimate business interests.

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19. In Nordenfelt v Maxim Nordenfelt Guns & Ammunition Company Limited [1894] AC 535, Lord McNaughten held that contracts in restraint of trade are enforceable only where the restraint is ____.

Explanation

In Nordenfelt v Maxim Nordenfelt Guns & Ammunition Company Limited, Lord McNaughten established that contracts restricting trade must balance the interests of the involved parties with the broader public interest. This principle ensures that while individuals can protect their business interests, such protections should not unduly hinder competition or harm public welfare. Therefore, a restraint is only enforceable if it is deemed reasonable, promoting fairness and preventing excessive limitations that could stifle economic activity or innovation.

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20. Which Ghanaian Supreme Court case addressed contracts to oust the jurisdiction of the court?

Explanation

In the case of Re Ghana Private Road Transport Union (GPRTU); Tetteh v Essilfie, the Supreme Court of Ghana examined the validity of contracts that attempted to exclude the jurisdiction of the court. This case highlighted the principle that parties cannot contractually limit or oust the court's authority to adjudicate disputes, reinforcing the judiciary's role in ensuring justice and upholding the rule of law. The court emphasized that such contractual provisions are generally unenforceable, maintaining the integrity of judicial oversight in contractual matters.

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21. The general rule that contracts ousting court jurisdiction does NOT apply where there is a valid ____ clause.

Explanation

Contracts that attempt to exclude court jurisdiction typically face enforceability issues. However, a valid arbitration clause is an exception, as it provides a mutually agreed-upon alternative dispute resolution mechanism. Such clauses are recognized by law, allowing parties to resolve disputes outside of court while still ensuring that their rights are protected. This promotes efficiency and can reduce the burden on the court system, making arbitration a legitimate avenue for resolving contractual disagreements. Thus, in the presence of a valid arbitration clause, the general rule against ousting court jurisdiction does not apply.

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22. Contracts which seek to preclude the jurisdiction of the court are enforceable as long as both parties consent.

Explanation

Contracts that attempt to limit or exclude court jurisdiction are generally unenforceable because they undermine the legal system's ability to resolve disputes. Courts must retain the authority to adjudicate matters to ensure fairness and justice. Even if both parties agree to such terms, public policy often dictates that certain rights and legal protections cannot be waived, ensuring that individuals retain access to judicial remedies. Thus, a contract that seeks to preclude court jurisdiction is typically considered invalid.

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23. Which of the following cases involved a contract to deceive public authorities?

Explanation

In Alexander v Rayson, the case centered around a contract that aimed to deceive public authorities regarding the sale of goods. The court found that the agreement was not enforceable because it was founded on an illegal purpose. This case highlighted the principle that contracts formed with the intent to defraud or mislead governmental bodies are void, reinforcing the legal stance against facilitating deception in commercial transactions.

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24. In Parkinson v College of Ambulance Ltd [1925] 2KB 1, the court held the contract unenforceable because it promoted ____ in public life.

Explanation

In Parkinson v College of Ambulance Ltd, the court deemed the contract unenforceable as it was found to encourage practices detrimental to public life. Specifically, the contract was seen as fostering corruption and inefficiency, undermining the integrity and effectiveness of public services. Contracts that promote such negative outcomes are considered contrary to public policy, as they can erode trust in essential institutions and hinder their proper functioning. Thus, the court's ruling aimed to uphold ethical standards and protect the public interest.

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25. Which case is the leading authority on contracts prejudicial to the administration of justice by stifling prosecution?

Explanation

Keir v Leeman (1946) is a landmark case that addresses the issue of contracts that impede the administration of justice by suppressing prosecution. In this case, the court emphasized that agreements designed to prevent legal action or to stifle the prosecution of a crime are contrary to public policy. The ruling established a precedent that such contracts are unenforceable, reinforcing the principle that the legal system must remain free from interference by private agreements that could undermine justice. This case serves as a critical reference point in discussions about the validity of contracts that may obstruct legal processes.

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26. Contracts which involve the commission of an illegal act in a foreign country offend public policy at common law.

Explanation

Contracts that require parties to engage in illegal activities, even if conducted in a foreign country, are considered void and unenforceable under common law. This is because such agreements violate public policy, which aims to uphold legal and moral standards. Engaging in illegal acts undermines the integrity of the legal system and can lead to harmful consequences, both domestically and internationally. Therefore, courts will not support or enforce contracts that are inherently illegal, regardless of the jurisdiction in which the act occurs.

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27. Which case is associated with contracts that directly or indirectly promote sexual immorality?

Explanation

In Pearce v Brooks, the court addressed the enforceability of contracts that promote sexual immorality. The case involved a carriage hire agreement where the purpose was to facilitate an illicit relationship. The court ruled that contracts with immoral objectives are void, emphasizing that the law does not support agreements that encourage or enable immoral conduct. This case set a precedent in contract law, highlighting the principle that public policy prohibits the enforcement of contracts that are contrary to societal morals and ethics.

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28. In Berg & Sadler v Moore [1937] KB 158, the court addressed contracts that involve an obligation to commit a ____.

Explanation

In Berg & Sadler v Moore, the court examined the enforceability of contracts that require a party to engage in illegal activities, specifically crimes, torts, or fraud. Such obligations are considered contrary to public policy and thus unenforceable. The ruling highlights the legal principle that contracts cannot be based on unlawful actions, as they undermine the integrity of the legal system and societal norms. Consequently, any agreement that involves committing a crime, tort, or fraud is void, protecting individuals and the community from the consequences of illegal acts.

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29. Which of the following best describes the nature of public policy in contract law?

Explanation

Public policy in contract law is not static; it evolves based on societal values, legal precedents, and cultural contexts. Different jurisdictions may adopt varying approaches to enforceability based on local norms and changing circumstances. For example, what is considered acceptable in one region may be deemed contrary to public policy in another, reflecting the dynamic nature of law. This variability ensures that contract law remains relevant and responsive to the needs and ethical standards of society over time.

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30. A contract is said to be contrary to public policy if it is injurious to society in the view of the ____.

Explanation

A contract is considered contrary to public policy if it harms societal interests or undermines the welfare of the community. The court evaluates such contracts to ensure they do not promote illegal activities, harm public morals, or disrupt social order. By assessing the potential negative impact on society, the court plays a crucial role in upholding the principles of justice and protecting the public from agreements that could lead to detrimental consequences. Thus, the court's perspective is essential in determining the validity and enforceability of a contract in relation to public policy.

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A restraint clause in an employment contract must provide the employer...
Match the following cases with their corresponding legal principles:
The doctrine of locus poenitentiae allows a guilty party to recover...
The structured discretionary approach involves balancing factors such...
Which Ghanaian Supreme Court case adopted the structured discretionary...
In Kiriri Cotton Co. Ltd v Dewani [1960] AC 192, the court held that...
The doctrine of 'in pari delicto' means that both parties are ____.
In Amar Singh v Kulubya [1964] AC 142, the court allowed recovery...
Which of the following are recognised exceptions to the general rule...
As a general rule, monies paid or properties transferred under an...
Where both parties are complicit in the illegal performance of a...
Which case established that an innocent party may enforce a legally...
In Anderson v Daniel [1924] 1 KB 138, the court held that where a...
In Re Mahmoud & Ispahani [1921] 2 KB 716, the contract was held...
Which of the following correctly describes the effect of a contract...
An otherwise valid contract may be rendered unenforceable if its...
In Herbert Morris v Saxelby [1916] 1 AC 688, the court held that a...
Which of the following are the two main contexts in which contracts in...
In Nordenfelt v Maxim Nordenfelt Guns & Ammunition Company Limited...
Which Ghanaian Supreme Court case addressed contracts to oust the...
The general rule that contracts ousting court jurisdiction does NOT...
Contracts which seek to preclude the jurisdiction of the court are...
Which of the following cases involved a contract to deceive public...
In Parkinson v College of Ambulance Ltd [1925] 2KB 1, the court held...
Which case is the leading authority on contracts prejudicial to the...
Contracts which involve the commission of an illegal act in a foreign...
Which case is associated with contracts that directly or indirectly...
In Berg & Sadler v Moore [1937] KB 158, the court addressed contracts...
Which of the following best describes the nature of public policy in...
A contract is said to be contrary to public policy if it is injurious...
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