J. Derek Hardberger

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.

Brandon D. Kemp is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Brandon D., 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 Brandon 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.

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.

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...

Hard work is part of my DNA. I put myself through law school at night while working full time. I am both an attorney and a business owner with over 30 years experience. I understand that business is not a 9-5 proposition, and that's why my clients know they can reach me whenever they need me.

Amy J. Sine is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates, Nonprofit / Charities Law and Trusts and Estates. Amy J., who practices law in Oklahoma City, Oklahoma, has been recognized since 2003. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Amy J. is held by other top lawyers in the same geographic and legal practice area.

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).

Courtney K. Warmington is an advisory director in Crowe & Dunlevy’s Labor and Employment Section. Since joining the group in 1999, Ms. Warmington has successfully represented management in cases brought by employees under Title VII of the Civil Rights Act, the Americans With Disabilities Act, the Age Discrimination in Employment Act, the Family and Medical Leave Act, Oklahoma’s Workers’ Compensation laws, and the Fair Labor Standards Act. In addition to her litigation pr...

Sam Fulkerson’s practice is focused on the representation of management in all phases of the employment relationship, including litigation before federal and state courts, regulatory and administrative agencies, and in arbitration matters. He also handles litigation matters involving the enforcement of non-competition and confidentiality agreements, breach of employment contracts, handbook and personnel policy violations, wage and hour disputes, and other disputes arising out of the emp...