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Eugene Chen

Registered Foreign Lawyer

Hong Kong

Eugene Chen

Registered Foreign Lawyer

Hong Kong

For nearly twenty five years, Eugene has helped clients navigate their most complex disputes in some of the thorniest parts of the world. As a U.S.-trained litigator based in Hong Kong, he helps clients proactively overcome the commercial and regulatory challenges they face when doing business in Asia.

When authorities raid, Eugene is a vigorous advocate before both domestic and international regulators. He has handled investigations and enforcement actions before the U.S. Department of Justice and Securities Exchange Commission, the U.K. Serious Fraud Office, the PRC Market Supervision Administration, and the Hong Kong SAR Independent Commission Against Corruption. He regularly conducts internal corporate investigations where whistleblowers or audits have identified anomalies. To help clients avoid problems, he pro-actively designs and tests rigorous anti-corruption policies with a business-minded approach. And he regularly conducts anti-bribery due diligence to help clients have a deeper understanding of their customers and business partners, and effectively implement their Know Your Customer processes. Having spent the last thirteen years based in the PRC, and now in Hong Kong, “[Eugene’s] familiarity with both the US and PRC legal markets makes him an almost unique resource when it comes to dealing with FCPA issues and other US regulatory issues.” Chambers Asia-Pacific 2020.

Eugene also has experience in representing Asian and Western companies in all manner of litigation and international arbitration. His PRC-focused disputes practice covers a broad range of commercial and unfair competition claims, and large and small-scale product quality issues, with a particular focus on the life sciences, TMT, energy, and consumer product sectors.

Eugene is U.S.-qualified, and is fluent in English and Mandarin Chinese.

Market recognition:

Eugene is ranked by Chambers Asia-Pacific for his expertise in Corporate Investigations/Anti-Corruption in China, which notes that he “is a popular choice for clients facing investigations and enforcement actions brought by U.S. and Chinese regulatory bodies. He offers further expertise in handling corruption claims and advising on anti-corruption strategy. A client reports: ‘I've enjoyed working with him, he's laid back but a great lawyer.’”

Eugene is also listed as a Leading Individual for Dispute Resolution in China by Legal 500, which notes that he is “a standout name to note”.

He is also recommended for both Investigations and Product Liability Defence by Who’s Who Legal.

Other noteworthy experience includes advising:

  • A global bank on impact of the Hong Kong National Security Law, and ways to mitigate risks. Our advice, drawing from our Hong Kong, mainland China, US, UK practices, features: Impact on the bank's AML/CTF regime; Interactions with existing and newly introduced foreign sanctions regime; Enhanced investigation powers; Data and managing client.
  • Four US companies in the apparel, information technology, pharmaceutical, and information and data industries, respectively, regarding corruption and bribery issues before the US Department of Justice and US Securities Exchange Commission.
  • A Chinese technology company regarding sanctions issues before the US Bureau of Industry & Security Office of Export Enforcement.
  • Various US and European pharmaceutical companies on commercial bribery investigations by Chinese authorities.
  • A US consumer product company on an investigation by the Hong Kong Independent Commission Against Corruption.
  • Several world leading medical device and pharmaceutical companies on conducting internal audits, and preparing codes of conduct and manuals in dealing with sponsorships and donations to hospitals.
  • A major US industrial client and a major US pharmaceutical company on benchmarking of compliance policies and procedures against legal and industry standards.
  • A leading US investment bank on due diligence for an investment spanning Thailand, Indonesia, the Philippines, and India.
  • Several US life sciences clients on FCPA due diligence in relation to acquisitions and joint ventures with Chinese companies.
  • A US information services company on the FCPA aspects of the termination of employees across China resulting from the largest ever Chinese criminal prosecution for violation of China’s data privacy laws, as well as resulting CIETAC/HKIAC arbitrations and labour disputes.
  • A major US electronic manufacturer and a European appliances manufacturer on product recall filings and remedial action planning in China.

Includes experience prior to joining A&O


News & insights

Key regulatory changes in China’s new legislation on personal information protection

Publications: 31 AUGUST 2021

Key regulatory changes in China’s new legislation on personal information protection

On 20 August 2021, the Standing Committee of the National People’s Congress adopted the Personal Information Protection Law (the PIPL), the long-awaited and first omnibus personal data protection…

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Webinar: International sanctions 2021 update

Publications: 14 JULY 2021

Webinar: International sanctions 2021 update

The panellists on this webinar discussed recent U.S., EU, UK and PRC sanctions developments, in particular in regards to China, Myanmar, Russia, Belarus and Iran. 

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Spiral staircase leading down

Publications: 06 JULY 2021

Webinar: International Sanctions update

A&O is hosting an “International Sanctions update” webinar on Wednesday 14 July 2021.

Read more
Magnifying glass

Blog Post: 05 JULY 2021

The new PRC data security law's blocking statute and its potential impact on cross-border disputes and enforcement actions

A new data security law in China, effective 1 September, poses a potential challenge to how multinational companies handle the cross-border transfer of data requested by foreign justice or law…

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Hong Kong

Allen & Overy
9th Floor, Three Exchange Square, Central
Hong Kong

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Admitted to practice in California, 1999

Admitted to practice in Washington D.C., 2000


Bachelor of Arts, summa cum laude, Columbia University, 1995

Juris Doctor, Stanford University, 1998