Frederic Dorwart, Lawyers PLLC

The Firm

Frederic Dorwart, Lawyers PLLC

Our Founding

Frederic Dorwart, Lawyers PLLC was established in 1994 in the Old City Hall at Fourth & Cincinnati by Frederic Dorwart, J. Michael Medina and Richard J. Cipolla, Jr.who had, since their respective admissions to the bar, practiced law together in the former firm of Holliman, Langholz, Runnels & Dorwart. Frederic Dorwart joined Lupardus, Holliman & Huffman in 1966 upon graduation from Harvard Law School and, beginning in 1967, became managing partner of Holliman, Langholz, Runnels & Dorwart.

Our Firm Today

Frederic Dorwart, Lawyers PLLC has, since its founding, expanded to more than thirty lawyers principally engaged in securities transactions and litigation, financial institutions law, mergers and acquisitions, corporate restructuring, complex business litigation and trial work, oil and gas transactions and litigation, international LNG shipping and infrastructure projects, and construction project and litigation law.


The Firm currently serves as general counsel to Oklahoma’s largest financial institution, four of Oklahoma’s larger independent oil and gas producers, the nation’s second largest community foundation, and Oklahoma’s largest public foundation. Our firm is listed in the Bar Register of Preeminent Lawyers. While our practice has expanded, our objective has remained constant: provide hands-on, timely, and cost-effective problem solving in both routine and difficult litigation, regulatory and transactional matters.


Frederic Dorwart, Lawyers PLLC promotes the social, civic and business development of the Tulsa community through substantial pro bono services.

Representative Clients

Argonaut Private Equity LLC
BOK Financial Corporation
BOK Financial Insurance, Inc.
BOK Financial Securities, Inc.
BOKF, NA, dba Bank of Albuquerque; Bank of Oklahoma;

Bank of Texas; and BOK Financial

BOK Financial Private Wealth, Inc.
Boston Avenue Capital, LLC
Cactus Drilling Company
Cavanal Hill Investment Management, Inc.
Cavanal Hill Mutual Funds
Community Action Project of Tulsa County
Cypress Environmental Management Partners, LLC
Deutsche Bank
Excelerate Energy Limited Partnership
Fabricut Inc.
Francis Renewable Energy, LLC
George Kaiser Family Foundation

Integrated Service Company

JP Morgan Chase Bank
Kaiser-Francis Oil Company
McNellie’s Restaurant Group
Nadel & Gussman
Omega Capital Funds
Pathology Laboratory Associates
Prescott Group Capital Management
Rougeot Oil and Gas Company
S & R Compression, LLC
Safety Training Systems, Inc.
Sanguine Gas Exploration, LLC
Switchgrass Holdings, LLC
Tulco Oils Inc.
Tulsa Community Foundation
Tulsa Educare, Inc.
Tulsa Regional Chamber of Commerce
Tulsa River Parks Authority
Tulsa Stadium Trust
Waterfield Family Enterprises
Watermark Retirement Communities Inc.
Williford Energy Company