Aaron Chen


Aaron Chen is a partner at Lee, Tsai & Partners.  He specializes in competition law, corporate investment and governance, commercial arbitration and dispute resolution.

Aaron has over 18 years of experience advising clients in all types of competition law related matters.  He has a proven record of successfully representing clients in landmark concerted action brought by the Taiwan Fair Trade Commission and related administrative and civil actions.  Mr. Chen has represented clients in landmark competition investigations concerning standard-essential patents.  Mr. Chen also routinely provides advice on obtaining pre-merger approvals, including those for public tender offer deals, and other vertical restriction matters to clients in a wide range of industries. 

Aaron regularly advises clients on their investments and corporate governance matters, including merger and acquisitions, the structure and compliance of corporate governance, representing clients in management and ownership disputes.

Mr. Chen has rich experience in arbitration and litigation, including successes in representing clients in competition law and corporate investment related disputes.  For shareholders’ disputes, he represented clients before the Chinese Arbitration Association (CAA), the International Chamber of Commerce (ICC), and the China International Economic and Trade Arbitration Commission (CIETAC). 

In recent years, Mr. Chen has focused on adaptation measures by enterprises in response to climate change concerns, as well as ESG compliance.

Mr. Chen currently acts as the Chairperson of the Competition Law Committee of the Taipei Bar Association, the Vice-chair of the Competition Law Committee of the Taiwan Bar Association, and as the Advisor of the Fair Trade and Consumer Relationship Commission, Chinese National Federation of Industries.  Through these roles, he proactively participated in competition law communities and advocate competition policy.

  • Chair, Competition Law Committee of the Taipei Bar Association (present)
  • Vice-Chair, Competition Law Committee of the Taiwan Bar Association (present)
  • Advisor, Fair Trade and Consumer Relationship Commission, Chinese National Federation of Industries (present)
  • Competition Law
  • Represented an independent power producer in concerted action litigation (administrative and civil actions)
  • Represented leading cement manufacturers in antitrust (concerted action) litigation
  • Represented an multinational conglomerate in semiconductors and consumer electronics in competition law matters
  • Represented a capacitor manufacturer in concerted action litigation
  • Represented enterprises in various industries in responding to concerted action investigations
  • Represented a leading IC design company in competition law matters
  • Assisted leading petrochemical company to obtain pre-merger approvals in Taiwan and China
  • Assisted international leading sensor solution company to obtain pre-merger approval in Taiwan for its public tender offer of a lighting solution company in Germany
  • Provided advice to various clients on compliance matters in relation to pre-merger filings in a public M&A
  • Represented international leading medical device company in competition law matters

  • Corporate Governance and Investment
  • Represented a leading industrial gas company in various litigations in relation to corporate governance in JV project.
  • Provided legal advice to clients on controlling power and corporate compliance
  • Advising clients on carbon measuring matters
  • Advising clients on the corporate governance related matters
  • Acted as advisers on Taiwan law for an international private equity fund in the IPO of business regarding cable TV in Singapore
  • Assisted an international private equity fund in a Greater China region merger case, including performing due diligence and providing advice on relevant regulatory issues
  • Represented clients in cross-strait merger and acquisition matters for , including providing advice on the investment structure, due diligence, contract drafting and negotiation and compliance issues

  • Arbitration and Dispute Resolution
  • Represented a global industrial gas manufacturer in ICC arbitration
  • Represented a furniture manufacturer in ICC arbitration in Hong Kong
  • Represented a client in arbitration before the Chinese Arbitration Association
  • Represented an online video game company in contract performance dispute and arbitration in Taiwan and the PRC
  • Represented a consultant company in an arbitration (Beijing)
  • Represented an international chemicals company in arbitration before the American Arbitration Association
  • Assisted a client in a California shareholder dispute litigation matter and successfully settled the dispute
  • Represented clients in competition law and commercial litigation, as well as other administrative (public law) litigation

  • Intellectual Properties Law
  • Represented clients in competition law matters concerning standard-essential patents
  • Provided legal advice on intellectual property law and licensing agreements, including, joint development agreements, copyright licensing and dispute resolution matters. Clients included high-tech firms and companies in the literature, music and gaming industries
  • Competition Law (Antitrust & unfair competition laws)
  • Corporate Governance
  • Investment, M&A
  • Arbitration and Litigation
  • Climate Change and ESG related legal compliance
  • Moderator at the Taiwan Fair Trade Jurisprudence Association on "Amendment on the Fair Trade Act" seminar, February 3, 2024.
  • Panelist at the Taiwan Fair Trade Jurisprudence Association to speak on "Analyzing Recent Landmark Competition Law Cases in the US and Europe", January 22, 2022.
  • Merger Control, Market Intelligence, LexGTDT, 2023-2024, Taiwan Chapter (co-author)
  • Global Competition Review, Enforcer Hub, Taiwan: Private Practice Perspective,2021-2023 (co-author)
  • International Arbitration Guide with Chambers Global Practice Guides, 2021-2022, Taiwan Chapter (co-author)
  • Getting the Deal Through – Dominance, Taiwan Chapter, 2018-2020 (co-author)
  • “International and Taiwan Competition Law Developments and the Impacts” ( Trade Policy Journal Vol. 28 , Dec. 2017)
  • "International Competition Law Trends, Developments and Impact" (Industry magazine published by the Chinese National Federation of Industries, July 2017)
  • Speech on "International Competition Law Trends and Impact" at the 2017 International Trade Lecture, Chinese National Federation of Industries, May 9, 2017)
  • Taiwan attracts more investors with signing of the ECFA (co-author, China Law and Practice, July/August, 2010)
  • China Policies and Measures Responding to the Financial Tsunami (Speech for Taiwan Technology Industry Legal Officers Association, March 27, 2009)
  • Reform of the EU Competition Law on the Technology Transfer Block Exemption (Master thesis, 2005)
  • Taiwan Bar, 2006
  • China Bar, 2009
  • Climate Change Response Management Professional and International Certificate, 2024
  • Greenhouse Gas Emissions and Removals Verifier Training Course (ISO 14064-1:2018), 2023
  • National Chengchi University, Law School (LL.M., 2005)
  • National Taipei University, Department of Financial and Economic Law (LL.B., 1999)
  • Named by Acquisition International Magazine as “Taiwan’s Leading Advisor in Competition Law – 2018” in its 2018 Global Excellence Awards.
  • Awarded as Taiwan Top 100 Lawyers by Asia Business Law Journal in 2019
    Mandarin, English and Taiwanese