Lawyer Dong Xiaosong graduated from the Law School of Jilin University with a Doctor of Laws degree. He is the Chairman of the Partners' Meeting and Director of the Criminal Law Committee at Zhonglun W&D (Kunming) Law Firm; Director of the Criminal Law Teaching and Research Office and Director of the Criminal Defense Research Center at the Law School of Yunnan University; Master's Supervisor; Vice Chairman of the Criminal Committee of the Yunnan Provincial Lawyers Association; and also serves as a legal advisor to the Yunnan Provincial Public Security Department and a member of the Expert Advisory Committee of the Yunnan Provincial People's Procuratorate.

His practice focuses on criminal defense. He is renowned in the industry for his expertise in resolving complex and difficult criminal legal issues and handling unexpected crises. He is particularly skilled in defending clients in major and complex cases involving official misconduct, economic crimes, and drug offenses. He previously served as the defense attorney for Bai Suocheng, the former chairman of the Kokang Self-Administered Zone in Myanmar, representing one of the "Four Major Families" in northern Myanmar. He has represented clients in numerous high-profile criminal cases both domestically and internationally, assisting judicial authorities in achieving acquittals, appeals, or exemption from the death penalty in dozens of major and complex criminal cases.

Working Experience

Currently serves as the Chairman of the Partners' Meeting and Director of the Criminal Law Committee at Zhonglun W&D (Kunming) Law Firm.

Since 2008, has been teaching at the Law School of Yunnan University, currently serving as the Director of the Criminal Law Teaching and Research Section, Director of the Criminal Defense Research Center, and Master's Supervisor.

Since beginning his legal practice in 2006, has worked at Beijing Dayu Law Firm, Yunnan Tianwaitian Law Firm, and Beijing Yingke (Kunming) Law Firm, consistently serving as the Director of the Criminal Law Committee at his respective firms.

Achievements

• The telecom fraud case of Bai Suocheng, former chairman of the Kokang Self-Administered Zone, one of the "Four Major Families" in northern Myanmar (with significant impact)
• Jian Moumou's case of death sentence for trafficking and transporting drugs (death sentence not approved)
• Luo Mou’s (former Party Secretary of a certain city) case of bribery and abuse of power (reduced sentence)
• Yue Moumou’s (former mayor of a certain city) case of bribery case (reduced punishment)
• Lu Moumou’s (former chairman of a large state-owned enterprise) case of embezzlement and bribery (reduced punishment)
• Zhang Moumou’s (former member of the Standing Committee of a prefecture-level city) case of bribery and embezzlement (reduced sentence)
• Lan Mou’s (former executive vice president of a large state-owned enterprise) case of embezzlement and bribery (reduced sentence)
• Li Moumou’s (former principal leader of a certain public security border defense brigade) case of bribery and abuse of power (reduced sentence)
• Ren Mou’s (former chairman of a state-owned listed company) case of bribery and abuse of power by personnel of a state-owned company (punishment reduced).
• He Moumou's bribery case (suspended sentence)
• Hu Moumou's appeal case regarding bribery and accepting bribes as a non-state employee (reduced sentence).
• Li Moumou's case of accepting bribes and abusing his power (mitigated punishment)
• Li Mou’s case of state-owned company employee abused his/her power (sentenced to probation)
• Su Moumou's case of bribery and corporate bribery (not to be transferred to judicial authorities)
• Liu Moumou's case of smuggling ordinary goods and articles (arrest not approved, investigation terminated)
• Zeng Moumou's case of smuggling ordinary goods and articles (arrest not approved)
• He Moumou's case of organizing and leading a mafia-style organization (reduced punishment)
• Fan Mou’s case of organizing and leading more than 20 people to gather and disrupt social order (no prosecution in this case)
• Yang Moumou's drug trafficking case (the prosecution withdrew the charges and decided not to prosecute)
• Yu Moumou's case of trafficking and transporting drugs (not prosecuted)
• Zhang Moumou's appeal case against the death sentence for drug trafficking and transportation (remanded for retrial)
• Zhang Moumou's death sentence for drug trafficking and transportation (a suspended death sentence)
• Mu Moumou's appeal case against the death sentence for drug trafficking (a suspended death sentence)
• Liu's appeal case against the death sentence for drug trafficking and transportation (remanded for retrial)
• Hu's appeal case against the death sentence for drug trafficking and transportation (a suspended death sentence).
• Liu Moumou's appeal case against the death sentence for drug trafficking and transportation (a suspended death sentence).
• Cai Moumou's appeal case against the death sentence for drug trafficking and transportation (remanded for retrial)
• Wang Moumou's case of intentional injury resulting in death (suspended sentence)
• Liang Moumou's appeal case of intentional injury resulting in death (reversed, sentence reduced).
• Zhao's appeal case against the death sentence for drug trafficking and transportation (remanded for retrial)
• Wang Moumou's case of trafficking and transporting drugs (arrest not approved)
• Yang Moumou's case of drug trafficking and illegal possession of drugs (exempt from the death penalty)
• Zhao Moumou's appeal case against the death sentence for drug trafficking and transportation (a suspended death sentence).
• Chen Moumou's case of organizing and leading a mafia-style organization (reduced punishment)
• Jian Moumou's appeal case against the death sentence for drug trafficking (suspended death sentence)
• Ji Moumou's appeal case against the death sentence for drug trafficking and transportation (remanded for retrial)
• Zhao Moumou's appeal case regarding his death sentence with a two-year reprieve for trafficking and transporting drugs (remanded for retrial)
• Ding Moumou's case of smuggling ordinary goods and articles (arrest not approved)
• Yang Moumou's case of drug trafficking (arrest not approved)
• Zhao Moumou's appeal case of gang involved in robbery (remanded for retrial)
• Xu Moumou's case of intentional injury (no prosecution in this case).
• Zhou Moumou's case of fraud (arrest not approved)
• Gou Moumou's case of causing death by fleeing the scene of a traffic accident (exempt from criminal punishment)
• Wang Moumou’s case of drug trafficking and transportation (exempted from the death penalty).
• Ma Moumou’s case of drug trafficking and transportation (exempted from the death penalty).
• Liao Moumou's case of trafficking and transporting drugs (arrest not approved)
• Huang Moumou's case of issuing false value-added tax invoices (arrest not approved)
• Xie Moumou's case of major liability accident (suspended sentence for the entire case)
• Ma Moumou's drug trafficking case (no prosecution)
• Dai Moumou's embezzlement case (not be filed)
• Wu Moumou's embezzlement case (arrest not approved)

Honors

The series of telecom fraud cases involving the "Four Major Families" in northern Myanmar, which he represented, was selected as the top case in the "Top Ten Cases Promoting the Rule of Law in the New Era in 2025" jointly organized by the Supreme People's Court and China Media Group, and was also included in the 2025 work reports of the Supreme People's Court and the Supreme People's Procuratorate. In this case, lawyer Dong Xiaosong served as the defense attorney for Bai Suocheng, the former chairman of the Kokang Self-Administered Zone and head of the "Four Major Families" in northern Myanmar.

PRC Lawyer’s Practicing Qualification

Chinese and English