Professional Biography

Elvira Castillo Partner

  • Seattle

    D +1.206.359.8000

    F +1.206.359.9000


    1201 Third Avenue, Suite 4900

    Seattle, WA 98101-3099




Elvira Castillo is a trial attorney and partner with the firm's Litigation practice. Elvira represents clients in federal and state courts across the country on litigation matters concerning antitrust, consumer protection, breach of contract, unfair competition, securities regulations, and internal investigations. A seasoned litigator, Elvira is as comfortable presenting the closing argument before a jury trial as she is interviewing key witnesses during an internal investigation.

A trusted advisor, particularly for strategic business counseling on emerging legal issues, Elvira works with clients in various industries, including technology, aviation, finance, film and entertainment, and food and beverage. She also advises on day-to-day legal matters, with an emphasis on competition, compliance, and contract-related issues focusing on practical business solutions that minimize risk.

Elvira received her B.A. from Harvard College and her J.D. from Yale Law School. She is admitted to New York and Washington state, and has been selected as a Rising Star in Washington by Super Lawyers Magazine from 2016 - 2020.

Professional Recognition

  • Selected as a "Washington Rising Star" in Super Lawyers Magazine, 2016 – 2021

Community Involvement

  • Campaña Quetzal, Board Member

Related Employment

  • Davis Polk & Wardwell LLP, New York, NY, Litigation Associate, 2007 - 2010
  • U.S. Attorney's Office E.D.N.Y., New York, NY, Law Intern: Civil Division, 2005
  • Jerome N. Frank Legal Services Organization, New Haven, CT, Student Intern: Community Lawyering Clinic, 2005 - 2007




Bar and Court Admissions

  • Washington
  • New York
  • U.S. Court of Appeals for the Eleventh Circuit
  • U.S. District Court for the Southern District of New York
  • U.S. District Court for the Western District of Washington


  • Yale Law School, J.D., 2007, Notes Development Editor, Yale Law Journal
    Editor, Yale Law & Policy Review
  • Harvard College, A.B., Sociology, cum laude, 2003


  • Portuguese
  • Spanish