Meet The Firm

Republic Law Group is dedicated to providing our clients with quality legal services. Our competent staff will endeavor to ensure all your legal needs are met. We focus our practice on the areas of law which we have a passion for and deep understanding including: Business law from formation, through general operations and employee issues, including litigation that plagues businesses, and finally the sale and/or dissolution; Real Estate law including transactions, easements and surface rights; and Oil and Gas law, including representation of operators, transportation companies and mineral owners.


Justin R. Landgraf


Justin R. Landgraf focuses his practice on business law, real estate, civil litigation, and energy and natural resources law. Justin has been named to Rising Star in Oklahoma for the last five consecutive years as a Civil Litigation Attorney: Defense. He has also been named among the top 10% of US lawyers by Lawyers of Distinction.

Justin earned his Bachelors in Agribusiness from Oklahoma State University and Juris Doctorate from the Oklahoma City University School of Law in 2008 where he graduated with honors. He is licensed in Oklahoma and Texas.


Jeffrey S. Landgraf


Jeffrey S. Landgraf has devoted his career to representing clients throughout southern Oklahoma.  Jeff will take a common sense approach to your matter for economical and efficient resolution. However, his competitive spirit quickly takes over when strong advocacy becomes necessary.

Jeff’s practice includes civil litigation, family law, real estate, probate, and estate planning.  He is licensed to practice in all Oklahoma State Courts, the Eastern District of Oklahoma Federal Court and the Tribal Court of the Chickasaw Nation and Choctaw Nation.  He currently serves as President of the Marshall County Bar Association.

Jeff graduated with honors from the University of Oklahoma School of Law in 2002.   His undergraduate degree is from Oklahoma State University where he was recognized as one of the top 10 graduates.


Jennifer B. Key


Jennifer Key is a Paralegal who primarily focuses on the firm’s litigation practice. Jennifer attended the University of Central Oklahoma and obtained a Bachelor of Arts degree in English. She received her Paralegal certificate in 2017 from Oklahoma State University.


Amy L. Burns


Amy Burns serves two positions with the firm: she is the firm’s office manager as well as a legal assistant to all attorneys in the firm. Amy is a native of Ardmore, Oklahoma. She focuses on the firm’s real property and transactional practices.

Treva J. Garrison


Treva Garrison is a Paralegal with 22 years of experience with the majority of her experience being civil litigation. Treva is a native of Lone Grove, Oklahoma and attended East Central University.


Christie R. Yow


Christie Yow is a Paralegal with 28 years of experience. Christie is a native of Madill, Oklahoma. She attended East Central University and received her Bachelor of Science degree in Mathematics.