Frederic Dorwart, Lawyers PLLC

John D. Clayman

Mr. Clayman handles a full range of banking, business, patent infringement and oil and gas issues, particularly commercial banking relationships, check processing and oil and gas royalty disputes.


Mr. Clayman focuses primarily on banking practice. He joined the firm in May of 1999, and since that time has done substantial work in areas from banking to health care to oil and gas litigation.


University of Texas,  B.B.A.Accounting, 1982;  With Honors;


University of Tulsa, J.D., 1986;  With honors; Editor of the Energy Law Journal and a staff member of the Tulsa Law Journal;

Oklahoma, 1986

Texas, 2008

Oklahoma Society of Certified Public Accountants and the Southwest Association of Bank Counsel (formerly on the Board of Directors).

Served as a Board Member and Building Coordinator for Youth Services of Tulsa, where he oversaw a successful $5 million campaign. 

He was on the Board of Directors of the Tulsa Development Authority and the Jewish Federation of Tulsa from 2005 to 2013, is a past president of the Jewish Federation of Tulsa (2004-2006), was President of Temple Israel (2018-2020) and is the current President of Zarrow Pointe, a senior living community. 

Candace Caywood