Patrick " Pat" Ryan

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...

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

For more than thirty years, Mr. Hiltgen has focused his practice in the areas of products liability defense, insurance defense, commercial litigation, and transportation litigation. He continues to add to that experience through the representation of companies of consumer goods and products, manufacturing industries and the insurance market. Mr. Hiltgen and his firm have represented a number of national and international corporations, serving as national, regional, and local trial counsel. Mr...

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.

Matthew Panach is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management, Labor Law - Management and Litigation - Labor and Employment. Matthew, who practices law in Oklahoma City, Oklahoma, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew is held by other top lawyers in the same geographic and legal practice area.

J. Leslie LaReau is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law and Trusts and Estates. J. Leslie, who practices law in Oklahoma City, Oklahoma, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which J. Leslie is held by other top lawyers in the same geographic and legal practice area.

John H. Edwards is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Business Organizations (including LLCs and Partnerships), Corporate Law and Energy Law. John H., who practices law in Oklahoma City, Oklahoma, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John H. is held by other top lawyers in the same geographic and legal practice area.

Lori F. Winland is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Lori F., 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 Lori F. is held by other top lawyers in the same geographic and legal practice area.

Gerald (“Jerry”) E. Durbin, II began his legal career in 1971. Over the past 45 years, Jerry’s practice has concentrated in the area of complex civil litigation. He has represented many national insurers and individuals in obtaining some of the most significant verdicts rendered in the State of Oklahoma. In 2010, Jerry was elected as a fellow in the prestigious American College of Trial Lawyers, a recognition reserved to the top 1% of trial lawyers in each state. Jerry has a...