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Marianne M. Chao
Of Counsel


(T) +886.2.7712.3212
(F) +886.2.2704.6791


  • Columbia University (LL.M. 1995); National Taiwan University (LL.M. 1990; LL.B. 1987)

Bar Admissions

  • Taiwan and New York

Government Service

  • Advisory Commissioner, Complaint Review Board for Government Procurement of the Taipei City Government (January 2010-2015); Commissioner, Referendum Review Committee of the Executive Yuan (July 2009-July 2012); Commissioner, Legal Affairs Committee of the Mongolian & Tibetan Affairs Commission (2009-2017)

For more than 25 years, Marianne Chao has assisted clients on a broad range of construction and infrastructure projects, energy projects, intellectual property, and commercial and multijurisdictional arbitration and litigation.

Marianne represented the Taiwan Construction Industry Association in obtaining a favorable ruling from the Taiwan Fair Trade Commission to defeat the no-delay-damage clause, a breakthrough development in construction contracts. She led and won the well-known Matra Transport cases to secure a NT$1.7 billion arbitral award and advised on construction projects such as Taipower, CPC Corporation Taiwan, Chunghwa Telecom, CKS Airport Link, Taipei MRT, Taipei 101, Taiwan High Speed Rail, Taichung MRT, and independent power plants.

Marianne recently represented several international power groups for contemplated acquisition of several offshore wind power projects in Taiwan. She represented an independent power plant in Taiwan to file administrative appeals and lawsuits to challenge the Taiwan Fair Trade Commission's decision to impose the highest fine ever in Taiwan for alleged participation in a cartel.

Marianne strategizes litigation and arbitration involving multiple jurisdictions. She is very experienced in handling local commercial disputes, such as disputes between shareholders, issues related to corporate governance, financial institution litigation, and general commercial disputes.

Marianne has been honored in many prominent international legal guides. She has served as an arbitrator in arbitrations conducted in accordance with the Taiwan Arbitration Act and the ICC Rules of Arbitration. She is a former executive director of the Taiwan Bar Association and president of the International Federation of Women Lawyers, Taiwan Branch.

Honors & Distinctions

  • Chambers Global: leading lawyer, dispute resolution (2012)

    Chambers Asia-Pacific: leading lawyer, real estate/projects (2008-2018); client quote: "Excellence in both procedural and technical issues. Showing a flair for negotiation and settling disputes." (2011); leading lawyer, dispute resolution (2008-2018)

    The Legal 500 Asia Pacific: leading lawyer, dispute resolution (2008-2018) and projects/energy (2008-2018); recommended lawyer, real estate/construction (2013-2018)

    Asialaw: leading lawyer, dispute resolution (2006-2011)
Marianne Chao