Ana Reyes is a recognized leader in this generation of rising legal talent, particularly in cross-border litigation and international arbitration.

Thanks largely to her practice in multinational disputes, Ana has earned accolades from The Legal 500 as a "Next Generation Lawyer" (2020-2022) and in Benchmark Litigation as a "Local Litigation Star" (2019-2022). The National Law Journal has recognized her multiple times, including on its Outstanding Women Lawyers list recognizing “the 75 most accomplished female attorneys working in the legal profession today” (2015). In 2017, the Women’s Bar Association of D.C. named her as its “Woman Lawyer of the Year.”

Ana’s commercial practice involves litigating and arbitrating disputes on a wide array of matters, ranging from foreign sovereign immunity to international contract disputes to patent enforcement. Besides this work, for more than a decade Ana has devoted significant time to her pro bono representations of asylum seekers and refugee organizations, including numerous appellate matters for the United Nations High Commissioner for Refugees and impact litigation for Human Rights First. In 2016, she received the Legacy Award by Unlikely Heroes for her successful representation of young women escaping persecution by a regional terrorist organization. After appointing her, the Honorary Board for the Center for Gender & Refugee Studies described Ana as representing “the very best of the legal profession: an accomplished and skilled litigator who provides the same high-quality zealous advocacy whether she is representing an international corporation, a foreign government, or a refugee child.”

Within Williams & Connolly, Ana’s leadership roles include co-chairing the International Disputes practice group and serving on the firm’s Executive Committee from 2018-2021. 

Ana has served as Clinical Visiting Lecturer at Yale Law School teaching Advocacy in International Arbitration and prior to that was an Adjunct Professor of Law at Georgetown Law School teaching a course in the use of experts in federal courts.

Ana was born in Montevideo, Uruguay, and grew up in Louisville, Kentucky. She received her B.A, summa cum laude, from Transylvania University in 1996 and her J.D., magna cum laude, from Harvard Law School in 2000, where she was an editor of the Harvard Law Review. In 2014, Ana also received a Master’s in International Public Policy, with distinction, from the Johns Hopkins University, School of Advanced International Studies.

Representative Experience

Though all cases vary and none is predictive, Ana’s experience includes representing:

  • a medical device company in PTAB proceedings and federal district court in separate actions concerning medical device patents
  • a technology company in a patent licensing dispute in International Chamber of Commerce arbitration
  • a partnership in litigation in the United States concerning a fee dispute against an African country
  • the government of a Latin American country in litigation in the United States against a foreign entity
  • the government of a Western European country in litigation in the United States against a foreign entity
  • the government of an Eastern European country in international arbitration
  • a global company over a sub-contracting dispute concerning construction of a government project in the Middle East in International Chamber of Commerce arbitration
  • the government of a Latin American country and its Central Bank in International Chamber of Commerce arbitration, and negotiating a universal settlement with three multi-national corporations of all claims that created a fund for victims of bank fraud




"Local Litigation Star" for International Arbitration, Benchmark Litigation, 2019-2023

"Local Litigation Star" for Products Liability, Benchmark Litigation, 2020-2023

"Next Generation Lawyer," for International Disputes, The Legal 500, 2020-2022

“500 Leading Lawyers in America," Lawdragon, 2019-2022

“Top 250 Women in Litigation,” Benchmark Litigation, 2017-2022

Selected to Super Lawyers, 2014-2020

"Winning Litigator," The National Law Journal, 2018

"Immigration Trailblazer," The National Law Journal, 2018

"Legal Lion," Law360, June 2018

"Rising Star," Minority Corporate Counsel Association, 2018

WBA Woman Lawyer of the Year, 2017

"Unlikely Heroes," 2016 Legacy Award

“Outstanding Women Lawyers,” The National Law Journal, 2015

“Minority Powerbrokers Q&A: Williams & Connolly's Ana Reyes,” Law360, 2015

“Washington, D.C. Rising Stars,” The National Law Journal, 2014

“Minority 40 Under 40 (Nationwide),” The National Law Journal, 2011

Recognized as a “Champion” for her pro bono efforts and advocacy for civil liberties, The Legal Times, 2009


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