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With four lawyers, five paralegals and offices in the District of Columbia and the state of Illinois, Mason Lietz & Klinger LLP is dedicated to representing plaintiffs in class actions, mass torts and individual cases in courts throughout the United States. Founded in March 2020, the firm was created by Gary E. Mason, David Lietz, Gary M. Klinger and Danielle L. Perry, four nationally recognized class action lawyers with decades of experience representing plaintiffs.
Our attorneys have a long history of obtaining major verdicts and settlements. We frequently lead, co-lead, or perform other leadership roles in class actions of national significance. Examples include, the Chinese Drywall Litigation, the Entran II product liability litigation (in which one of our attorneys served as co-lead counsel and successfully resolved the case for $330 million), and the Office of Personal Management (OPM) data breach litigation (in which one of our attorneys was appointed Liaison Counsel).
5101 Wisconsin Avenue, NW, Suite 305
Washington, D.C. 20016
Tel: (202) 429-2290
227 W. Monroe Street, Suite 2100
Chicago, IL 60606
Tel: (312) 283-3814
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