Chen Duxiu Case of Endangering the Republic of China

Chen Duxiu, a co-founder of the Chinese Communist Party, was arrested by the Kuomintang (KMT) government in Shanghai on October 15, 1932, and charged with “endangering the Republic of China” under the Emergency Law for the Punishment of Crimes Against the Republic. The prosecution alleged that his writings, speeches, and leadership in the leftist opposition movement aimed to overthrow the KMT regime and install a Soviet-style government, thereby threatening national security. The trial took place in Nanjing in April 1933, with renowned lawyer Zhang Shizhao defending Chen on free-speech and political-dissent grounds. Chen used the courtroom to deliver a political defense, arguing that the real danger to China came from imperialism and the KMT’s own policies. The case drew international attention as a symbol of political repression.

The Jiangsu High Court sentenced Chen Duxiu to 13 years in prison and deprivation of civil rights for 15 years. Following an appeal, the sentence was commuted to 8 years. He served time in Nanjing’s Tiger Bridge Prison until his early release in August 1937, after the outbreak of the Second Sino-Japanese War and the formation of the KMT-CCP united front.

The central dispute was whether Chen Duxiu’s political advocacy and Communist writings constituted a concrete, imminent danger to the state under the criminal code, or whether they fell under protected political expression. The defense argued the charge was a politically motivated suppression of dissent, while the prosecution insisted that his activities directly incited rebellion and subversion of the constitutional order.

The trial became a cause célèbre, highlighting the KMT’s authoritarian crackdown on leftist intellectuals and fueling public debate on civil liberties and political crime. Chen’s defiant courtroom stance elevated him to a martyr-like figure among liberal and leftist circles. The case intensified international scrutiny of the KMT government’s rule-of-law record and is remembered as a landmark in the politicized use of national security laws.