• Marymount University (B.A., 1995, summa cum laude)
  • Georgetown University Law Center (J.D., 2004)


  • District of Columbia and Virginia
  • United States Courts of Appeals for the Fourth, Ninth, and District of Columbia Circuits
  • United States District Courts for the District of Columbia and Eastern District of Virginia

Lisa Marie Kaas defends corporate clients in complex, high-value civil litigation and commercial disputes. Her clients have included U.S. and multinational businesses spanning a broad range of industries including pharmaceuticals and healthcare products, industrial and consumer products, transportation, aviation, energy, and government contracts. Her diverse practice includes defense of antitrust and unfair competition claims; construction and engineering litigation, claims, and disputes; commercial contract and lease disputes and litigation; common carrier liability; defense of personal injury claims; insurance coverage litigation; and intellectual property and trade secret matters, among others.

Ms. Kaas has extensive experience in antitrust litigation and counseling on competition issues including price fixing, bid rigging, market allocation, information exchange, boycotts, resale price maintenance, monopolization, tying, and price discrimination. Her practice includes defense of federal and state antitrust and unfair competition claims in individual and class actions alleging billions of dollars in damages, responding to civil regulatory investigations, counseling companies on compliance with antitrust laws, and minimizing risk associated with sales, marketing, and distribution practices and agreements. She has been recognized by her peers as a “Rising Star” of the Washington, D.C. antitrust bar in Super Lawyers.

Currently, Ms. Kaas is a principal member of trial teams litigating construction and engineering disputes involving petrochemical and industrial plastics plants in the Southern and Midwestern United States, respectively.

Ms. Kaas’s clients benefit from her substantial courtroom experience, which includes successfully arguing major dispositive and non-dispositive motions in trial courts and successfully arguing an appeal before the U.S. Court of Appeals for the Ninth Circuit, in which class plaintiffs’ failure to adduce evidence supporting their expert’s theory of injury and damages was affirmed. She has taken and defended numerous corporate representative, fact, and expert witness depositions. Her broad litigation management experience includes working closely with her clients on internal investigations, coordinating large-scale discovery efforts with an eye toward efficiency and cost management, working with industry and economic experts on highly complex issues, and organizing all aspects of trial preparation.

Ms. Kaas’s notable successes for her clients include securing dismissals at pleadings and summary judgment stages for a major international air carrier in actions alleging personal injuries and other claims, dismissals of corporate parent entities for lack of personal jurisdiction, and denials of class certification in multidistrict antitrust litigation, as well as negotiating favorable settlements after successfully defeating particular claims or, in some instances, prior to the expense of discovery.

Before graduating law school, Ms. Kaas served as a contract project manager for the U.S. Department of Justice, National Institute of Justice, Investigative & Forensic Sciences Division, where she facilitated multidisciplinary technical working groups tasked with consensus development of recommended practices for law enforcement investigations and evidence collection, focusing her work primarily on eyewitness evidence.

Ms. Kaas has donated her time on a pro bono basis to community legal advice clinics, a local advocacy group for the intellectually disabled, and animal welfare societies, among many others. She also assisted in administration of the September 11th Victim Compensation Fund through two iterations of the Fund. In recognition of her pro bono commitment, she has been named a “Pro Bono Hero” by the Virginia State Bar Special Committee on Access to Legal Services beginning in 2018, and repeatedly appears on the Capital Pro Bono Honor Roll.