Matthew B. Hickey

James D. Kallstrom is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. James D. practices law in Oklahoma City, Oklahoma Best Lawyers has recognized James D. Kallstrom since 2011. 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 James D. Kallstrom is held by other lawyers.

Gary W. Derrick specializes in corporate and securities law, including mergers and acquisitions, ’34 Act reporting, private equity and debt financing, venture capital financing, business formation and restructuring, corporate governance, and general business contracts. His clients are in oil and gas, technology, hospitality, agriculture, manufacturing, retail and professional services.

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,...

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)

Since 2006, I have served as an advisor and legal counsel to individuals and families across a wide geographic region, including communities from Dallas to St. Louis. My practice focuses on Family Law matters, including divorce and child custody disputes that directly affect family relationships, financial stability, and long-term planning. I also represent clients in complex guardianship cases, particularly those involving multi-state or international considerations. Practicing law has been ...

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...

Roberto L. Seda is a lawyer recognized by Best Lawyers in the practice areas of Energy Law and Real Estate Law. Roberto L. practices law in Oklahoma City, Oklahoma Best Lawyers has recognized Roberto L. Seda 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 Roberto L. Seda is held by other lawyers.

William A. Johnson is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation and Litigation - Real Estate. William A. practices law in Oklahoma City, Oklahoma Best Lawyers has recognized William A. Johnson since 2013. 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 William A. Johnson is held by other lawyers.

R. Ryan Deligans began practicing law in 2003 and received his Juris Doctorate from the University of Oklahoma College of Law where he was honored as the Outstanding Graduate in the area of Trial Practice and Procedure. His practice has been focused on complex litigation involving Insurance Law, Manufacturer’s Product Liability, and cases involving catastrophic injury or death. Ryan is annually selected by his peers for inclusion in Super Lawyers Magazine. He has been selected as a Top ...

Brandon D. Kemp is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management and Litigation - Labor and Employment. Brandon D. practices law in Oklahoma City, Oklahoma Best Lawyers has recognized Brandon D. Kemp since 2024. 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 Brandon D. Kemp is held by other lawyers.