
Callie Castillo is an accomplished litigator and appellate advocate. Having spent more than a decade at the state Attorney General's Office advising and defending public officials and agencies, Callie now successfully guides her clients through myriad forms of complex legal challenges with a particular emphasis on government investigations and enforcement actions. Callie uses her litigation expertise to serve clients across a wide sector of highly regulated industries including financial services, health care, transportation, building and construction, and telecommunications. Callie maintains an active appellate practice, having briefed and argued more than 20 cases before the Washington Courts of Appeals, the Washington Supreme Court, and the federal Courts of Appeals.
Callie has been commended for her work by Chambers USA's Guide to America's Leading Lawyers for Business, where one source states, "She's a fantastic lawyer. Her strengths are her communication, tireless effort for the client, and great knowledge."
When Callie is not helping clients navigate legal challenges, she enjoys spending time with her husband and son, reading almost any book, paddleboarding, and volunteering with local organizations near to her heart.
Services
- Litigation
- Antitrust and Competition
- Appellate
- Commercial Litigation and Dispute Resolution
- Political and Election Law
- Government Affairs and Public Policy
- White Collar Defense and Investigations
- State Attorneys General
- Health Care
- Transportation and Logistics
- State and Local Tax
- Tax Controversy
- State Attorneys General Consumer Finance Response Team
Representative Experience
Representative Matters
- Representation of corporations and trade associations in constitutional and administrative regulatory challenges to federal, state, and local government actions
- Representation of corporations subjected to state attorney general antitrust and consumer protection investigations and resulting litigation in matters related to real estate, solar industry, health care, senior living, consumer pricing, and financial services
- Representation of aircraft manufacturer in wrongful death and product liability litigation
Professional Highlights
Pro Bono Experience
Professional Activities
Transportation Lawyers Association, Aviation Committee Co-Chair, 2022-Present
Washington State Bar Association, Tax Section, Legislative Committee Co-Chair, 2021-2023
Washington State Bar Association, Committee on Professional Ethics, 2017-2018
Leadership Council on Legal Diversity, Fellow, 2024
Recognition & Accomplishments
Chambers USA: America's Leading Lawyers for Business, Litigation: General Commercial, 2024
The Best Lawyers in America, Commercial Litigation, 2024-2025
Thomson Reuters, "Washington Super Lawyer," Business Litigation, 2024
Washington State Attorney General's Office Excellence Award, 2013, 2016, 2018
Speaking Engagements
"Recent Legal Challenges to Election Laws and Practices,” Washington Association of Prosecuting Attorneys, June 21, 2024
"Election Law Updates,” Government Bar Lawyers Association, June 13, 2024
"Multi-Modal Update," Transportation Lawyers Association, May 3, 2024
"A Discussion on the Criminalization of the Boeing 737 MAX and its Relevance to Aviation Litigation," ABA Tort Trial and Insurance Practice Section, October 26, 2023
"The Justice League: How Companies Team Up to Challenge Industry Threats They Cannot Handle Alone," Transportation Lawyers Association, April 27, 2023
"Two's Company, Three's a Possible Indictment – The Ins and Outs of Joint Competitor Activities," Transportation Lawyers Association, January 20, 2023
"Modern Election Law and Voting Rights Challenges," Municipal Research and Services Center, June 2, 2022
Board Memberships & Community Service
Non-profit organization serving people worldwide in education, international/relief, youth camps, and senior living, Member of Board of Trustees
We the People, State Finals Judge, 2023-Present
King's High School, Mock Trial Volunteer Coach, 2020-2023
Related Insights
Credentials
Education
George Mason University School of Law (J.D. 2005)
Journal of Law, Economics, and Policy, Peer Review Editor, 2004-2005
University of Washington, (B.A. 2001)
Political Science Honors Program
Phi Eta Sigma Honors Society
Admissions
Washington
U.S. District Court for the Eastern and Western Districts of Washington
U.S. Court of Appeals for the Ninth Circuit
U.S. Court of Appeals for the Fifth Circuit
U.S. Supreme Court