
Hong Kong's legal system was developed under British governance, based on English common law. Under British rule, Hong Kong's constitutional documents were the Letters Patent and the Royal Instructions, and judicial cases were generally appealable to the Judicial Committee of the Privy Council in the UK. Hong Kong's legal system has since evolved, and it is now governed by the one country, two systems principle, which allows for the consideration of overseas case law in certain situations. For example, Hong Kong's Court of Final Appeal has considered case law from various common law jurisdictions when interpreting commercial contracts. Additionally, Hong Kong courts have admitted foreign counsel in national security-related cases when deemed to be in the public interest. However, recent changes have given the Hong Kong government the power to decide whether a defendant in a national security-related case may hire foreign counsel, raising concerns about the independence of the judiciary and the integrity of the legal system.
| Characteristics | Values |
|---|---|
| Can Hong Kong law use overseas case law? | Yes, Hong Kong law can use overseas case law as a reference. However, the government has taken over the decision of whether a defendant in a national security-related case may hire foreign counsel. |
| Hong Kong's legal system basis | Developed under British governance, based on English common law. |
| Hong Kong's legal system | Heavily modelled on its counterpart in England and Wales with important modifications. |
| Hong Kong's judiciary | Previously had jurisdiction to admit foreign counsel to appear on a case-by-case basis when deemed to be in the public interest. |
| Hong Kong's Court of Appeal | Rejected the government's argument that national security was unique to Hong Kong, and that overseas experience was of no or limited relevance. |
| Hong Kong's National Security Law | Came into effect in 2021 and has had a devastating impact on civil society, freedom of speech, and the legal system itself. |
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What You'll Learn

Hong Kong's legal system is based on English common law
In 1984, the UK and the PRC agreed that Hong Kong would be returned to China after 1997. The Hong Kong Basic Law, passed by the Chinese National People's Congress, came into effect in 1997 and became the region's new constitutional document. Despite this, the "one country, two systems" principle meant that Hong Kong's legal system would remain unchanged for 50 years until 2047.
Hong Kong's legal system continues to demonstrate similarities to English common law. For example, the judgments and awards of the Hong Kong High Court and above may be enforced in most common law jurisdictions. Additionally, Hong Kong's family law is heavily modelled on its counterpart in England and Wales, albeit with important modifications. For instance, there is no statutory matrimonial property regime in Hong Kong, and property rights are not affected by marriage.
Hong Kong's courts also have the ability to consider overseas case law in their decisions. For example, the Hong Kong Court of Final Appeal's 2013 ruling in Sinoearn International Ltd v Hyundai-CCECC Joint Venture drew on case law from various common law jurisdictions. The ruling confirmed that the courts could interpret contracts using "commercial common sense," but they could not "construct" a contract to accommodate the profit or other expectations of any of the parties involved. Furthermore, CaseBase Hong Kong, a case citator, covers key overseas cases from England and other Commonwealth jurisdictions when referred to in Hong Kong judicial decisions.
However, it is important to note that Hong Kong's legal system has evolved independently since 1997, and there have been recent developments that suggest a departure from the English common law system. For example, the government has taken over the decision-making process regarding the admission of foreign counsel in national security-related cases, which was previously determined by the judiciary. This change has raised concerns about the independence of Hong Kong's judiciary and the integrity of its legal system.
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Hong Kong courts can refer to overseas case law
Hong Kong's legal system was developed under British governance, based on English common law. Until 1997, Hong Kong was under British rule, and judicial cases were generally appealable to the Judicial Committee of the Privy Council in the UK.
Hong Kong's legal system recognises the use of overseas case law, particularly from England and other Commonwealth jurisdictions. For instance, in a 2003 ruling on Shum Kit Ching v Caesar Beauty Centre Ltd., the court held that in determining whether a contract is unconscionable, it must consider "all circumstances" and not just the factors listed in the relevant legislation. This ruling was based on a consideration of the totality of the circumstances, which is a principle that has also been applied in overseas jurisdictions such as England and Wales.
Hong Kong's Court of Final Appeal has also considered rulings from overseas jurisdictions in its interpretation of commercial contracts. In the 2013 case of Sinoearn International Ltd v Hyundai-CCECC Joint Venture (A Firm), the Court of Final Appeal drew on case law from various common law jurisdictions, including overseas. The ruling confirmed that the courts could interpret contracts using "commercial common sense", demonstrating the Court's willingness to refer to and rely on overseas case law.
Furthermore, in the case of Jimmy Lai, a prominent national security defendant, the Court of Appeal rejected the government's argument that national security concerns were unique to Hong Kong and that overseas experience was irrelevant. The Court's recognition of the relevance of overseas experience in this case further highlights the ability of Hong Kong courts to refer to and consider overseas case law.
In conclusion, Hong Kong courts can and do refer to overseas case law, particularly from common law jurisdictions. This practice is a continuation of the historical influence of English common law on Hong Kong's legal system.
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Hong Kong courts can admit foreign counsel
Hong Kong's National Security Law, which came into effect in 2019, has had a significant impact on the independence of the judiciary and the legal system. One notable change is the restriction on the admission of foreign counsel in Hong Kong courts, particularly in national security cases.
Previously, Hong Kong courts had the jurisdiction to admit foreign counsel to appear on a case-by-case basis when it was deemed to be in the public interest. This included considerations such as the importance of legal issues, the nature and complexity of legal arguments, the experience and potential contribution of foreign counsel to local jurisprudence, and the availability of suitable local counsel.
However, under the National Security Law, the government has taken over the decision-making power regarding the admission of foreign lawyers in national security-related cases, which was previously a prerogative of the judiciary. This change has raised concerns about the independence of the judiciary and the potential influence of political considerations in the admission of foreign counsel.
Despite these concerns, there have been instances where foreign counsel has been admitted to Hong Kong courts. In the case of Secretary for Justice v Timothy Wynn Owen KC (2021), the Court of Final Appeal granted ad hoc admission to Tim Owen KC, an English barrister, to represent Jimmy Lai. The Court rejected the Secretary for Justice's application for a blanket ban on overseas counsel in national security cases, upholding the principle that new issues cannot be raised on appeal if they compromise fairness or the court's ability to adjudicate.
In addition to the admission of foreign counsel, Hong Kong courts also have the jurisdiction to request and provide evidence from and to overseas courts for civil or criminal proceedings. This is facilitated through extradition agreements and the issuance of Letters of Request, ensuring cooperation and reciprocity in legal matters with foreign jurisdictions.
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Hong Kong courts can enforce judgments in other countries
Hong Kong's legal system is a mix of common law, Basic Law, and the Rules of Equity. Hong Kong courts can enforce judgments in other countries, and foreign judgments may be enforced in Hong Kong through a statutory registration scheme or under common law. The statutory registration scheme is limited to judgments from certain courts and jurisdictions, including mainland China under the Mainland Judgments (Reciprocal Enforcement) Ordinance ("2019 Mainland Judgment Enforcement Ordinance").
The common law regime, on the other hand, requires the judgment creditor to prove that the foreign judgment is final and conclusive, for a fixed sum of money, and from a "competent" court. The Foreign Judgment Enforcement Ordinance facilitates the enforcement of judgments from prescribed courts in 15 foreign countries, including Australia, India, and several European nations.
Reciprocal arrangements exist for the enforcement of judgments made by superior courts in foreign countries, and Hong Kong's judgments are also enforced in those countries. Hong Kong's courts have jurisdiction to provide evidence in Hong Kong for civil or criminal proceedings in a foreign court upon request.
It is important to note that a Hong Kong court may refuse to recognize a foreign judgment that conflicts with a local judgment, such as a Hong Kong anti-suit injunction. Additionally, the enforcement of a foreign judgment must not go against Hong Kong's public policy.
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Hong Kong's legal system is governed by the Basic Law
Hong Kong's legal system is based on English common law, and its judicial decisions often refer to key overseas cases from jurisdictions such as England and other Commonwealth countries. The Hong Kong Court of Final Appeal, for instance, has considered cases from various common law jurisdictions when interpreting commercial contracts. The Court has ruled that it can interpret contracts using "commercial common sense" but cannot alter them to meet the profit expectations of the parties involved.
The judgments of the Hong Kong High Court and higher courts may be enforced in other common law jurisdictions or foreign countries with international agreements. Reciprocal arrangements exist for the enforcement of judgments made by superior foreign courts in Hong Kong, and Hong Kong's courts can also issue Letters of Request to overseas courts to obtain evidence.
Hong Kong's legal system includes the Law Society of Hong Kong and the Hong Kong Bar Association, which govern the conduct of solicitors and barristers, respectively. The system also provides for legal aid, which is available to eligible persons based on their financial circumstances and the merits of their case.
Until recently, Hong Kong courts had the jurisdiction to admit foreign counsel in national security cases if it was deemed to be in the public interest. However, this right has been revoked, and the decision now rests with the chief executive, who has the power to determine whether a foreign lawyer can appear in such cases.
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Frequently asked questions
Hong Kong's legal system was developed under British rule and was based on English common law. Hong Kong's courts can consider overseas case law, and in the past, judicial cases were generally appealable to the Judicial Committee of the Privy Council in the UK. However, since the 1997 handover to China, Hong Kong's legal system has been governed by the "one country, two systems" principle, which keeps its legal system separate from mainland China until 2047.
The Hong Kong Court of Final Appeal has ruled that overseas experience is of relevance in national security cases. However, the government has recently taken over the decision-making process regarding the admission of foreign lawyers in such cases, and this right is now decided by a politician.
The judgments and awards of the Hong Kong High Court and above may be enforced in most common law jurisdictions or in foreign countries with international agreements and reciprocal arrangements.





























