John Tso

Investigations and Enforcement

Representation of a multinational software company in internal investigations in China in connection with bribery and corruption, revenue recognition, and suspected sales fraud
Representation of the independent investigation committee of the board of directors of a Hong Kong-listed company in internal investigations in connection with whistleblower allegations, embezzlement, and suspected fraudulent transactions
Representation of the audit committee of the board of directors of a U.S. public-listed Chinese company in an internal investigation into allegations of financial irregularities
Representation of a multinational pharmaceutical company in internal investigations in China in connection with suspected fraud concerning its sales force, academic department, marketing department, and third-party service providers
Representation of a multinational technology company in internal investigations in China, Korea, and Africa in connection with bribery and corruption, revenue recognition, suspected sales fraud, harassment, and retaliation
Representation of a European company before the U.S. DOJ with respect to allegations of bribery and export control violations as part of a global corruption investigation involving UK and French criminal enforcement authorities
Representation of a multinational water supply company in internal investigations in connection with bribery and corruption
Representation of an international non-governmental organization in internal investigations in connection with conflicts of interest and suspected misappropriation

ALB China Top 15 Rising Lawyers (2026)
The A-List 2025-26: Rising Star
China Business Law Journal (2026)
Recommended Lawyer – Regulatory: Compliance and Investigations
Legal 500 (2026)
Recommended, Hong Kong / Regulatory: Anti-Corruption and Compliance
Legal 500 (2024)
Shortlisted, “Rising Star,”
China Law & Practice (2021)

“Treasury Proposes Outbound Investment Regulations Under the COINS Act,” Lexology, Co-author
October 2026
“Treasury Announces First-Ever Penalty Under the Outbound Investment Security Program,” Lexology, Co-author
October 2026
“China Expands Legal Toolkit to Counter Foreign Extraterritorial Jurisdiction,” Lexology, Co-author
June 2026
“Amended Law Expands Arbitration Options for Businesses Operating in China,” Lexology, Co-author
November 2025
“Keep Calm and Carry On: Thoughts on Recent Orders on FCPA Enforcement,” Lexology, Co-author
February 2025
“China Enhances Scrutiny for Cross-Border Data Transfer that would Impact Multinational Companies,” Lexology, Co-author
July 2022
“The End of the China Initiative and the Future of U.S. Enforcement against Chinese Companies,” Lexology, Co-author
May 2022
“Looking Back on the Supplemental Arrangement on Mainland-Hong Kong Mutual Enforcement of Arbitral Awards,” Lexology, Co-author
April 2022
“Applications for Interim Measures in Mainland China: Advantages of Arbitrating in Hong Kong,” Lexology, Co-author
August 2021
“What Remedies Are Available to Life Sciences Companies if Their IP Rights Are Exploited During the Global Pandemic?” Lexology, Co-author
July 2021
“China Enacts Anti-Foreign Sanctions Law: Increasing Uncertainty for Companies with China Operations,” Lexology, Co-author
June 2021
“China Enacts New Export Control Law - Global Businesses Take Heed,” Lexology, Co-author
November 2020
“China Enacts Regulations on Unreliable Entity List,” Lexology, Co-author
September 2020
“The Case for Preserving South Korea’s Crackdown on Gifts,” The Global Anticorruption Blog, Author
2018
“What Happened to Hong Kong?” The Global Anticorruption Blog, Author
2018
“It''s Time for China to Show Its Foreign Bribery Law is Not a Paper Tiger,” The Global Anticorruption Blog, Author
2018
“China’s New Cybersecurity Regime,” Lexology, Co-author
April 2017
“China Tightens Controls Over Foreign NGOs with New Law,” Lexology, Co-author
May 2016
“Ad Hoc International Criminal Tribunals Activities in 2012,” Chinese Yearbook of International Law, Co-Author
2012
“The Burden of Proof under the WTO Dispute Settlement Mechanism,” WTO Law and China Symposium, Co-Author
2011

Councilor
Tsinghua Alumni Association of Hong Kong
Co-founder and Director
The Chinese Initiative on International Law

“International Commercial Arbitration in Practice,” lecture for LL.M. candidates at Tsinghua University School of Law, Lecturer
April 2024
“Third Party Risk Management: Strategies for Effective Risk Monitoring and Mitigation,” 10th Anti-Bribery & Anti-Corruption Compliance Greater Bay Area Summit, Moderator
October 2023

“Mitigating Risk in Cross-Border Transactions Using International Arbitration,” Paul Hastings Webinar, Speaker
June 2023
“Recent developments and trends in Corporate Enforcement policies at the U.S. Department of Justice,” Paul Hastings Webinar, Speaker
April 2023
“Recent Enforcement Trends: U.S. DOJ''s Corporate Enforcement Policies in China and Asia,” Paul Hastings Webinar, Speaker
October 2022
“New Cross-Border Compliance Challenges,” China Annual Legal Professional Conference 2022, Speaker
September 2022

Anti-Money Laundering & Economic Sanctions

International Arbitration

Investigations & White Collar Defense

John TsoJohnTso

REPRESENTATIONS de

RECOGNITION de

China Business Law Journal (2026)

Legal 500 (2026)

Legal 500 (2024)

China Law & Practice (2021)

NEWS & THOUGHT LEADERSHIP de

PUBLICATIONS de

“Treasury Proposes Outbound Investment Regulations Under the COINS Act,” Lexology, Co-author

“Treasury Announces First-Ever Penalty Under the Outbound Investment Security Program,” Lexology, Co-author

“China Expands Legal Toolkit to Counter Foreign Extraterritorial Jurisdiction,” Lexology, Co-author

“Amended Law Expands Arbitration Options for Businesses Operating in China,” Lexology, Co-author

“Keep Calm and Carry On: Thoughts on Recent Orders on FCPA Enforcement,” Lexology, Co-author

“China Enhances Scrutiny for Cross-Border Data Transfer that would Impact Multinational Companies,” Lexology, Co-author

“The End of the China Initiative and the Future of U.S. Enforcement against Chinese Companies,” Lexology, Co-author

“Looking Back on the Supplemental Arrangement on Mainland-Hong Kong Mutual Enforcement of Arbitral Awards,” Lexology, Co-author

“Applications for Interim Measures in Mainland China: Advantages of Arbitrating in Hong Kong,” Lexology, Co-author

“What Remedies Are Available to Life Sciences Companies if Their IP Rights Are Exploited During the Global Pandemic?” Lexology, Co-author

“China Enacts Anti-Foreign Sanctions Law: Increasing Uncertainty for Companies with China Operations,” Lexology, Co-author

“China Enacts New Export Control Law - Global Businesses Take Heed,” Lexology, Co-author

“China Enacts Regulations on Unreliable Entity List,” Lexology, Co-author

“The Case for Preserving South Korea’s Crackdown on Gifts,” The Global Anticorruption Blog, Author

“What Happened to Hong Kong?” The Global Anticorruption Blog, Author

“It''s Time for China to Show Its Foreign Bribery Law is Not a Paper Tiger,” The Global Anticorruption Blog, Author

“China’s New Cybersecurity Regime,” Lexology, Co-author

“China Tightens Controls Over Foreign NGOs with New Law,” Lexology, Co-author

“Ad Hoc International Criminal Tribunals Activities in 2012,” Chinese Yearbook of International Law, Co-Author

“The Burden of Proof under the WTO Dispute Settlement Mechanism,” WTO Law and China Symposium, Co-Author

ASSOCIATIONS de

PAST ENGAGEMENTS de