Annica Mae Mattus
District of Columbia
1776 Eye Street NW, 6th Floor
Washington, DC 20006
Appellate Litigation
Construction & Construction Defects
General Litigation & ADR
Premises Liability
Product Liability
Professional Liability
Subrogation
Annica Mae is an Associate in the firm’s Washington, D.C. office.
Annica Mae's practice is in complex civil litigation across a variety of areas including commercial litigation, construction defect claims, product liability litigation, real estate matters, multijurisdictional toxic torts litigation, and landlord-tenant litigation. She has experience at every stage of litigation and achieved dismissal, summary judgment full defense verdicts, and settlements for her clients with a focus on cost-benefit analysis and maintaining her corporate clients' business relationships. She also supports appellate litigation to sustain favorable outcomes for clients.
In addition to her achievements for her corporate clients, Annica Mae has pro bono experience representing clients human trafficking, disability, and family law. After graduating from law school, Annica Mae clerked for the Honorable Brian F. Holeman and the Honorable Jennifer M. Anderson at the Superior Court of the District of Columbia.
District of Columbia Court of Appeals
United States District Court for the District of Columbia
Supreme Court of Maryland
United States District Court for the District of Maryland
New York State Court of Appeals
Washington Supreme Court
Supreme Court of the United States
Achieved defense verdict following trial against $14.5 million claim asserted by District of Columbia as second-chair attorney.
Settled landlord-tenant case with over 510 plaintiff-tenants asserting multi-million dollar claim under the D.C. Rental Housing Act.
D.C. Bar 2026 Voluntary Bar Association of the Year Award as Director of the Asian Pacific American Bar Association Educational Fund.
American University School of Law, J.D., 2018
University of Washington, B.A., 2015; Mortar Board National Honor Society, Tolo Chapter
American Bar Association
New York State Bar Association
Asian Pacific American Bar Association
Asian Pacific American Bar Association Educational Fund, Board Director from 2024-2026