Mack K. Martin

Amy J. Sine is a lawyer recognized by Best Lawyers in the practice areas of Litigation - Trusts and Estates, Nonprofit / Charities Law and Trusts and Estates. Amy J. practices law in Oklahoma City, Oklahoma Best Lawyers has recognized Amy J. Sine since 2003. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Amy J. Sine is held by other lawyers.

John H. Edwards is a lawyer recognized by Best Lawyers in the practice areas of Banking and Finance Law, Business Organizations (including LLCs and Partnerships), Commercial Finance Law, Corporate Law and Energy Law. John H. practices law in Oklahoma City, Oklahoma Best Lawyers has recognized John H. Edwards since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regar...

Ashley Powell is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation and Family Law. Ashley practices law in Oklahoma City, Oklahoma Best Lawyers has recognized Ashley Powell since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Ashley Powell is held by other lawyers.

Adam R. Banner is an Oklahoma City criminal defense attorney whose practice is devoted to representing individuals facing serious criminal charges, investigations, trials, and appeals in Oklahoma state and federal courts. He is the founder of The Law Offices of Adam R. Banner, P.C., which also operates under the trade name Oklahoma Legal Group , and represents clients throughout Oklahoma in complex and high-stakes criminal matters. Banner has extensive experience defending serious felony case...

Melissa began her legal career in-house with a Fortune 500 oil and gas company. Since that time, her practice has focused on oil, gas, and energy law , including the preparation of drilling and division order title opinions across Oklahoma, Texas, and North Dakota. Her work frequently involves the preparation of curative documents, probate-related matters, and support in litigation for oil, gas, and renewable energy clients. In addition to her energy law practice, Melissa represents clients i...

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...

Edd Pritchett, Jr. is a lawyer recognized by Best Lawyers in the practice areas of Environmental Law and Oil and Gas Law. Edd practices law in Oklahoma City, Oklahoma Best Lawyers has recognized Edd Pritchett, Jr. since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Edd Pritchett, Jr. is held by other lawyers.

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...

Amy brings more than 25 years of experience in trial and appellate practice, with a career shaped by leadership roles and in-depth involvement in Family Law matters. Her background includes serving with Oklahoma Child Support Services, where she helped lead the state’s implementation of the Uniform Parentage Act, as well as her service as a District Judge for the Cherokee Nation. This range of experience provides her with a well-rounded understanding of family law issues affecting indiv...

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...