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Katherine L. Halliday represents financial services industry clients in a wide range of litigation matters, including class actions, government enforcement matters, regulatory examinations, and internal investigations. As Counsel in the Washington, D.C., office of Buckley LLP, Ms. Halliday has represented clients in matters involving the Department of Justice (DOJ), the Consumer Financial Protection Bureau (CFPB), the Department of Housing and Urban Development (HUD), state attorneys general, and numerous federal and state courts.

Ms. Halliday’s recent representations include:

  • Defending a lender-placed insurance provider in multiple putative class actions
  • Defending class action lawsuits and putative class actions lawsuits alleging unfair and deceptive business practices, fraud, conspiracy, and violations of federal laws, including the Truth in Lending Act (TILA), the Real Estate Settlement Procedures Act (RESPA), and the Racketeering Influenced and Corrupt Organizations Act (RICO)
  • Representing a bank in ongoing False Claims Act (FCA) investigation by DOJ, various U.S. Attorneys’ Offices, and HUD, concerning compliance with the Federal Housing Administration’s (FHA) Direct Endorsement Lender program guidelines
  • Representing a bank in an ongoing Financial Institutions Reform, Recovery, and Enforcement Act (FIRREA) investigation by DOJ and various U.S. Attorneys’ Offices regarding auto lending
  • Numerous CFPB enforcement matters, including investigation of mortgage servicing practices

Prior to joining Buckley, Ms. Halliday clerked for the Honorable Deborah K. Chasanow in the U.S. District Court for the District of Maryland. Before her clerkship, she was a Litigation Associate at WilmerHale, assisting with commercial litigation, criminal investigations, and pro bono matters.

Ms. Halliday received her J.D. from the George Washington University and her A.B. from Duke University.

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Awards and Recognitions

Awards & Recognitions

  • Super Lawyers 2018 Rising Star: Business Litigation, Consumer Law
  • Super Lawyers 2017 Rising Star: Business Litigation, Consumer Law
  • Super Lawyers 2016 Rising Star: Business Litigation, Consumer Law
  • Super Lawyers 2015 Rising Star: Business Litigation, Consumer Law
  • Super Lawyers 2014 Rising Star: General Litigation


  • J.D., George Washington University, 2008 (with Highest Honors, Order of the Coif)
  • A.B., Duke University, 2004


  • District of Columbia
  • New York

Government Service

    • Law Clerk, Hon. Deborah K. Chasanow, U.S. District Court, District of Maryland

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