Katelyn Deibler focuses on general commercial litigation and False Claims Act investigations & defense.
Katelyn graduated summa cum laude from American University Washington College of Law, where she was a Note and Comment Editor on the American University Law Review and a Student Attorney in the Immigrant Justice Clinic. Prior to joining the firm, Katelyn worked as a law clerk for the Honorable Anthony J. Trenga on the United States District Court for the Eastern District of Virginia.
Perspectives
September 24, 2026
The One That Got Away: Why Unassessed Penalties Can’t Hook a Reverse FCA Claim
Qui Notes: Unlocking the False Claims Act
September 10, 2026
Access Denied: Court Dismisses Cybersecurity False Claims Act Complaint for Lack of Materiality
Qui Notes: Unlocking the False Claims Act
April 29, 2026
Ninth Circuit Rejects Use of Lodestar Multiplier in Determining Reasonable Attorneys’ Fees Despite Counsel’s “Herculean Efforts”
Qui Notes: Unlocking the False Claims Act
November 10, 2025
The Trump Administration’s Latest Immigration-Enforcement Tool: The False Claims Act
Qui Notes: Unlocking the False Claims Act
Credentials
Education
- J.D., American University, Washington College of Law, 2024, summa cum laude, Order of the Coif
- B.A., International Relations, American University, 2019
Admissions
- District of Columbia
Clerkships
- U.S. District Court, Eastern District of Virginia, The Honorable Anthony J. Trenga