Brandon P. Long

Len Cason is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Tax Law and Trusts and Estates. Len, who practices law in Oklahoma City, Oklahoma, has been recognized since 1993. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Len is held by other top lawyers in the same geographic and legal practice area.

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.

Over 30 years representing defendants in business and complex litigation, including commercial and employment disputes, securities, class action and antitrust cases. Has lectured in the areas of trial practice, civil procedure, and insurance law. Former President of the Oklahoma County Bar Association, 2007-08.

Parker Lowe is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships) and Real Estate Law. Parker, who practices law in Norman, Oklahoma, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Parker 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.

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...

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.

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...

Larry D. Ottaway is a top attorney recognized by Best Lawyers in the practice area(s) of Bet-the-Company Litigation, Commercial Litigation, Legal Malpractice Law - Defendants, Litigation - Insurance, Mass Tort Litigation / Class Actions - Defendants, Medical Malpractice Law - Defendants, Personal Injury Litigation - Defendants and Product Liability Litigation - Defendants. Larry D., who practices law in Oklahoma City, Oklahoma, has been recognized since 2015. This recognition is based on an e...

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...