John S. Oldfield

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.

Michael T. Maloan is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Defendants and Product Liability Litigation - Defendants. Michael T., who practices law in Oklahoma City, Oklahoma, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael T. is held by other top lawyers in the same geographic and legal practice area.

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.

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.

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.

Jessica Hatcher is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law and Oil and Gas Law. Jessica, 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 Jessica 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...

Kathleen Egan is one of the Midwest’s most accomplished trial and appellate lawyers. Recognized for her intellect and commanding courtroom presence, Kathleen has been ranked in the illustrious Chambers Family/Matrimonial HNW guide, Best Lawyers, and the Super Lawyers® "Top 25: Women Oklahoma Super Lawyers" list. With a career that includes over a decade of partnership at Bundy Law, Kathleen has established herself as a dominant force in appellate advocacy. She is widely regarded as ...

Mary H. “Molly” Tolbert is a litigator, with a focus on antitrust, securities, constitutional, and appellate matters. She has appeared on behalf of clients before numerous state and federal courts, as well as in administrative and regulatory proceedings. She has significant experience in drafting and arguing critical motions and appellate briefs, with recent successful oral arguments before the U.S. Courts of Appeals for the Second and Ninth Circuits, as well as the Southern Distr...

J. Christian Guzzy is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Tax Law. J. Christian, who practices law in Oklahoma City, Oklahoma, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which J. Christian is held by other top lawyers in the same geographic and legal practice area.