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Dave Mangian


St. Louis
314 552 6540 direct

Dave practices in the firm's Business Litigation and Banking and Financial Services Litigation practice areas.

He focuses his practice on representing some of the nation's largest financial institutions in complex financial services litigation. Dave regularly defends financial services clients in cases, including class actions, filed in state and federal courts involving federal consumer protection statutes, state consumer fraud statutes, and data security claims. Dave also has experience representing and advising clients in complex business disputes involving interpretation of service agreements, distribution agreements, and contracts for the sale of goods under the Uniform Commercial Code.

Dave is a member of the firm's Antitrust Practice Group and represents and advises distributors in connection with antitrust (Sherman Act Section 1 and Section 2) matters and has litigated such antitrust claims, as well as tortious interference, and breach of contract claims, and prosecution of dealer fraud.

Dave is an experienced trial lawyer. Prior to joining the firm Dave worked as an Special Assistant Public Defender in the St. Louis City Trial Office of the Missouri State Public Defenders System. During that time, Dave handled hundreds of criminal matters, advocating on behalf of indigent clients charged with misdemeanor and felony crimes. As lead counsel, he tried multiple bench and jury trials to conclusion.