Frederic Dorwart, Lawyers PLLC

David W. Leimbach

Mr. Leimbach focuses his practice on commercial litigation, representing businesses and individuals in federal and state courts, as well as arbitrations. He takes pride in advocating zealously on behalf of clients and resolving their disputes efficiently.  


Before joining the firm in 2019, Mr. Leimbach clerked for the Honorable Gregory K. Frizzell in the United States District Court for the Northern District of Oklahoma and for the Honorable Judith C. McCarthy in the United States District Court for the Southern District of New York. He also practiced for several years in New York, where he represented clients in a variety of civil matters in federal and state courts. 


Mr. Leimbach received his Juris Doctor from Columbia Law School, where he was a Stone Scholar. He received his Bachelor of Arts, cum laude, in Mathematics and Philosophy from Dartmouth College.


Representative Recent Engagements

  • Obtained multimillion-dollar settlement in favor of client in contract-based lawsuit in federal court against international franchise company (2021).
  • Helped obtain multimillion-dollar jury verdict in favor of subcontractor in lawsuit arising from large energy construction project, while successfully defending against eight-figure counterclaims (2021).
  • Successfully defended drilling company from wage-and-hour claims in putative collective action in federal court (2021).
  • Helped obtain seven-figure settlement in favor of client bank in lawsuit against insurance company arising from breach of a fidelity bond (2021).
  • Helped obtain eight-figure award in favor of client bank on summary judgment in lawsuit arising from defaulted commercial loans (2020).


Dartmouth College, B.A., 2010, Cum Laude, Mathematics and Philosophy 



Columbia Law School, J.D., 2013; Harlan Fiske Stone Scholar

Oklahoma, 2017

New York, 2014  

Oklahoma Bar Association; 

American Inns of Court, Hudson-Hall-Wheaton Chapter

Chantel Wilson