David Lietz’s practice concentrates in the areas of complex civil litigation, consumer class actions, and mass torts in federal and state courts nationwide.  His class action experience includes a wide range of subject matters, including violations of federal consumer protection laws (such as the FDCPA and TCPA), violations of state consumer protection law, defective products, wage abuse, and data privacy. Mass tort experience includes pharmaceutical litigation.


David also has decades of experience as a trial lawyer, representing plaintiffs in complex actions involving wrongful death and critical injury.  Through both trials and settlement, he has recovered millions and millions of dollars for the victims of commercial trucking accidents, commercial airplane crashes, bus crashes, manufacturing and power plant explosions and fires, and construction related injuries and deaths. 


David’s practice includes appellate work, having briefed and argued multiple cases before federal appellate courts, including Home Depot v. Jackson at the Fourth Circuit. David then served as part of the winning brief-writing and oral advocacy team for Home Depot v. Jackson at the United States Supreme Court.


David holds an AV rating from the Martindale-Hubbell Law Directory, an honor he has held since 1998.  He is listed in the Bar Register of Preeminent Lawyers, Washington D.C. & Baltimore’s Top Rated Lawyers, 2012 - 2015 edition, and has a Martindale-Hubbell Client Distinction Award.


Outside of the law, David served for 12 years on the Board of Regents of his alma mater, Luther College, and was appointed Regent Emeritus in 2017. He was a member of the Luther College Presidential Search Committee, and received the Luther College Distinguished Service Award in 2018.


David received his undergraduate degree in Political Science from Luther College in 1988, where he graduated with honors.  He received his J.D. from the Georgetown University Law Center in 1991.  He is admitted to practice law in the District of Columbia, and is admitted to practice before a number of federal district and appellate courts. 

© 2020 by Mason Lietz & Klinger LLP. Proudly created with Wix.com

  • Facebook