Genni Ellis

David A. Branscum is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Defendants. David A., 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 David A. 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...

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.

James (“Jim”) K. Larimore began practicing law in 1974. Jim is an experienced and highly regarded corporate and real estate lawyer whose practice consists of assisting clients in a variety of business matters, including corporate and real estate transactions as well as complex commercial litigation. His practice also includes extensive work in the areas of probate and trust litigation. Jim’s achievements have earned him inclusion on The Best Lawyers in America list of &ldquo...

Practice Areas Insurance Defense and Litigation ; Construction and Architectural Law ; Premises Liability; Personal Injury and General Civil Litigation Memberships and Affiliations Admitted to bar, Oklahoma (1987), Vermont (1988) Oklahoma County, Cleveland County and Oklahoma Bar Associations Member, sections on Civil Procedure, Evidence, Professionalism and Communications Education and Background Born Portland, Maine (1958) University of Oklahoma (B.A., 1983) University of Oklahoma (J.D., 1987)

Kurt Rupert is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law and Commercial Litigation. Kurt, who practices law in Oklahoma City, Oklahoma, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kurt is held by other top lawyers in the same geographic and legal practice area.

James D. Kallstrom is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. James D., who practices law in Oklahoma City, Oklahoma, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James D. is held by other top lawyers in the same geographic and legal practice area.

Steven J. Johnson is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Defendants. Steven J., 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 Steven J. is held by other top lawyers in the same geographic and legal practice area.

Micah L. Adkison is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law and Oil and Gas Law. Micah L., 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 Micah L. is held by other top lawyers in the same geographic and legal practice area.

Michael J. Heron is a Partner in our Oklahoma City office with over 30 years of legal experience. He specializes in protecting the rights of individuals and businesses in civil cases involving medical malpractice, professional liability, construction, transportation, and insurance matters. Mike represents hospitals, practice groups, physicians, nurses, and other health care professionals in a wide range of litigation, policies and procedures, compliance, investigations, business transactions,...