David L. Nunn

William R. Norman Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Gaming Law and Native American Law. William R., who practices law in Oklahoma City, Oklahoma, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William R. is held by other top lawyers in the same geographic and legal practice area.

T. Scott Spradling is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Real Estate and Real Estate Law. T. Scott, who practices law in Oklahoma City, Oklahoma, has been recognized since 1983. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which T. Scott 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...

Sarah B. Edwards is a top attorney recognized by Best Lawyers in the practice area(s) of Government Contracts, Health Care Law and Nonprofit / Charities Law. Sarah B., who practices law in Oklahoma City, Oklahoma, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sarah B. is held by other top lawyers in the same geographic and legal practice area.

Mary H. “Molly” Tolbert is a litigator, with a focus on antitrust, securities, constitutional, and appellate matters. She has appeared on behalf of clients before numerous state and federal courts, as well as in administrative and regulatory proceedings. She has significant experience in drafting and arguing critical motions and appellate briefs, with recent successful oral arguments before the U.S. Courts of Appeals for the Second and Ninth Circuits, as well as the Southern Distr...

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.

J. Christian Guzzy is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Tax Law. J. Christian, 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 J. Christian is held by other top lawyers in the same geographic and legal practice area.

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.

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.

Katherine Taylor Loy has practiced law since 1992 and concentrates on Insurance Law, Litigation, Personal Injury, and Products Liability. She has been admitted to practice in Oklahoma, the U.S. District Court, Eastern, Northern and Western Districts of Oklahoma, the U.S. Court of Appeals, Tenth Circuit, and the U.S. Supreme Court. Katherine belongs to the Oklahoma County and Oklahoma Bar Associations and earned her Juris Doctor from the University of Oklahoma. She graduated with honors as a m...