Fred A. Leibrock

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,...

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.

David A. Branscum is a lawyer recognized by Best Lawyers in the practice area of Medical Malpractice Law - Defendants. David A. practices law in Oklahoma City, Oklahoma Best Lawyers has recognized David A. Branscum 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 David A. Branscum is held by other lawyers.

Eric is a partner in the firm's Oklahoma City office and Editor in Chief of CounselorLibrary.com's Spot Delivery publication. He assists national and state banks, savings associations, credit unions, mortgage bankers, other licensed lenders, motor vehicles dealers and automotive finance companies in the development and maintenance of nationwide consumer mortgage and automobile finance programs; online motor vehicle sales programs; litigation funding programs; and electronic payment programs. ...

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...

Amy Sherry Fischer is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation and Product Liability Litigation - Defendants. Amy Sherry practices law in Oklahoma City, Oklahoma Best Lawyers has recognized Amy Sherry Fischer since 2020. 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 Sherry Fischer is held by other lawyers.

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.

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...

Matthew Panach is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management, Labor Law - Management and Litigation - Labor and Employment. Matthew practices law in Oklahoma City, Oklahoma Best Lawyers has recognized Matthew Panach since 2018. 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 Matthew Panach is held by other lawyers.

Clayton T. Hasbrook is a lawyer recognized by Best Lawyers in the practice area of Personal Injury Litigation - Plaintiffs. Clayton T. practices law in Oklahoma City, Oklahoma Best Lawyers has recognized Clayton T. Hasbrook since 2027. 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 Clayton T. Hasbrook is held by other lawyers.