The Hong Kong High Court’s sentencing of Joshua Wong Chi-fung to 10 years’ imprisonment following his guilty plea to conspiracy to collude with foreign forces to endanger national security has attracted considerable attention both locally and internationally. Public discussion has largely focused on the sentence’s length and its political implications. However, the case’s broader significance lies in the legal principles the court affirmed. More than a judgment concerning a single individual, the case clarifies the boundaries of political advocacy or free speech, reaffirms the constitutional order established under the “one country, two systems” framework, and shows how national security safeguards operate within the Hong Kong Special Administrative Region’s legal framework. 
A proper assessment of the judgment must begin with the nature of the offense. This was not a case concerning political opinion, social movements, or criticism of government. The court clearly distinguished between protected political expression and criminal conduct. Activities that took place before the implementation of the Hong Kong SAR National Security Law (NSL) were considered only as background evidence relevant to understanding the scale, nature, and development of Wong’s conspiracy case. The basis for conviction and sentencing rested on conduct occurring between July and November 2020 (after the implementation of the NSL on June 30, 2020), during which the defendant was found to have conspired with others to solicit sanctions, blockades, or other hostile measures against the Chinese mainland and the SAR. The court focused on identifiable actions and their intended consequences rather than on ideology, belief, or political identity. 
This distinction matters. Modern legal systems generally recognize protection for freedom of speech. At the same time, constitutional systems establish legal limits on activities extending beyond public advocacy into the realm of coordinated actions capable of affecting national sovereignty, public order or national security. The court’s reasoning in Wong’s case reflected this widely recognized principle. The question before the court was not whether the defendant was entitled to hold certain political views. Rather, it was whether his conduct fell within the specific criminal prohibitions established under the NSL. 
The court’s findings on the defendant’s role in the conspiracy further illustrate the judgment’s legal basis. Evidence led the judge to conclude that both Wong and his associate Nathan Law Kwun-chung occupied leadership positions in the conspiracy, and that their actions formed part of a coordinated strategy pursued through complementary channels. One participant remained in Hong Kong and amplified relevant demands through media interviews, articles, social media activity, and public commentary. The other conducted overseas lobbying, organized international campaigns, and sought foreign support for measures targeting Hong Kong and the mainland. Viewed collectively, these activities were found to constitute a sustained and mutually reinforcing campaign aimed at achieving a common objective. From a legal standpoint, this finding was significant because conspiracy offenses concern organized cooperation directed toward a shared purpose rather than isolated acts viewed independently. 
The court’s conclusion that the offense involved serious circumstances was similarly based on a comprehensive evaluation of the overall conduct. In reaching that determination, the court considered factors including the duration of the conspiracy, the degree of coordination involved, the defendant’s level of participation, and the broader implications of the conduct. The court also considered the fact that the conspiratorial relationship continued for a substantial period. These considerations formed part of the court’s assessment of the seriousness of the offense, reflecting established legal principles that evaluate criminal liability not only by individual acts but also by factors such as purpose, continuity, organization, and influence. 
These findings directly shaped the sentencing exercise. After determining that the offense fell within the category of serious circumstances under the NSL, the court applied the statutory sentencing framework prescribed by the legislation. The sentencing process therefore proceeded within a clearly defined legal structure established by law. The court adopted a starting point of 13 years’ imprisonment before reducing the sentence to 10 years to account for the defendant’s guilty plea. Significantly, the final sentence remained near the lower end of the statutory range for offenses categorized as serious. This reflects the court’s attempt to balance the gravity of the conduct with recognized mitigating factors while remaining faithful to the sentencing framework.
Beyond questions of criminal liability and punishment, the case also highlights the broader relationship between national security and public welfare. National security is often discussed in highly political terms, but its practical implications extend into everyday economic and social life. Measures such as sanctions, trade restrictions, or limitations on technological cooperation may affect governments, businesses, investors, employees, and ordinary people alike. Against this backdrop, the court noted that the conduct at issue occurred during a period of significant social unrest and added to the challenges confronting both the central authorities and the SAR government. This formed part of the court’s evaluation of the foreseeable consequences associated with the conspiracy.
The judgment must also be understood within the constitutional framework of the “one country, two systems” framework. Hong Kong enjoys a high degree of autonomy and retains many institutional characteristics that distinguish it from other jurisdictions. This autonomy operates within the broader constitutional order of China. Like all constitutional systems, this framework encompasses rights and freedoms as well as legal safeguards for sovereignty, national security, and public order. The NSL was intended to address areas that policymakers considered insufficiently covered by the existing legal framework. From a constitutional or legal perspective, the legislation reflects the principle that a high degree of autonomy and national security are mutually reinforcing objectives. 
The case’s lasting significance lies not in the penalty for an individual defendant, but in the legal principles the court affirmed. The judgment reinforces the proposition that political rights must be exercised within a legal framework, that criminal responsibility arises from conduct rather than belief, and that all individuals remain subject to the same legal standards regardless of political affiliation.

The author is a solicitor, a Guangdong-Hong Kong-Macao Greater Bay Area lawyer, and a China-appointed attesting officer.

The views do not necessarily reflect those of China Daily.