Richard D. Nix

Joseph P. Hogsett is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Real Estate and Real Estate Law. Joseph P., who practices law in Oklahoma City, Oklahoma, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joseph P. is held by other top lawyers in the same geographic and legal practice area.

R. Ryan Deligans began practicing law in 2003 and received his Juris Doctorate from the University of Oklahoma College of Law where he was honored as the Outstanding Graduate in the area of Trial Practice and Procedure. His practice has been focused on complex litigation involving Insurance Law, Manufacturer’s Product Liability, and cases involving catastrophic injury or death. Ryan is annually selected by his peers for inclusion in Super Lawyers Magazine. He has been selected as a Top ...

Mark R. McPhail is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Real Estate. Mark R., who practices law in Oklahoma City, Oklahoma, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark R. is held by other top lawyers in the same geographic and legal practice area.

David has significant trial experience with complex commercial, intellectual property, trust and estates, tax, energy, and environmental litigation matters in both state and federal courts. He has successfully tried to verdict complex litigation matters in state and federal courts, and under the rules of the American Arbitration Association. He has successfully argued before state and federal appellate courts. In addition, he has experience with matters before state and federal administrative...

Jessica Hatcher is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law and Oil and Gas Law. Jessica, who practices law in Oklahoma City, Oklahoma, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jessica is held by other top lawyers in the same geographic and legal practice area.

John D. Robertson is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Mergers and Acquisitions Law and Securities / Capital Markets Law. John D., who practices law in Oklahoma City, Oklahoma, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John D. is held by other top lawyers in the same geographic and legal practice area.

David B. Donchin’s practice includes Insurance Law, Complex Litigation, Personal Injury Law, Products Liability, Employment Law, Environmental Law, and Medical Malpractice. In addition to his legal practice, David has served as an Adjunct Professor for Trial Practice at the University of Oklahoma College of Law and as a member of the faculty of the Southern Region of the National Institute of Trial Advocacy. David served as the Managing Director of Durbin Larimore Bialick from 2014 to 2...

Born Ponca City, Oklahoma, July 5, 1941; admitted to bar, 1966, Oklahoma. Preparatory education, Oklahoma State University (B.S., 1963); legal education, University of Oklahoma (J.D., 1966). Fraternity, Phi Alpha Delta. Assistant Attorney General, State of Oklahoma, 1968. (J.A.G.C., U.S. Army, 1966-68).

Erin Oakley is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Erin, who practices law in Oklahoma City, Oklahoma, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Erin is held by other top lawyers in the same geographic and legal practice area.

Thomas J. Daniel IV is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Thomas J., who practices law in Oklahoma City, Oklahoma, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas J. is held by other top lawyers in the same geographic and legal practice area.