About

With over 18 years of distinguished experience in the legal field, I, John Guyton Knepper, have dedicated my career to navigating complex court cases that often challenge the boundaries of federal and state law. My expertise extends to constitutional law, where I have tackled unprecedented issues in both federal and state statutes, and engaged in high-stakes litigation that shapes legal precedents. Among my notable achievements, I was a key member of the trial team that defended the McCain-Feingold Campaign Finance Reform Law. Additionally, I have been involved in multi-jurisdictional disputes over assets held by the Government of Iran in the U.S., represented the State of Wyoming in constitutional challenges, defended the annexation of critical areas in Cheyenne, and participated in the state’s lawsuit against Purdue Pharma regarding the opioid crisis. My practice at the Law Office of John G. Knepper, LLC, located in Cheyenne, Wyoming, focuses on probate law, where I help clients navigate the often intricate processes of estate planning, wills, and trusts. I understand that each case is unique, and I take pride in offering personalized attention to every client, whether their needs call for high-profile representation or a more discreet approach. Your case is more than just a file to me; it is a priority, and I am committed to advocating for your best interests. As a proud fourth-generation Wyoming native, I cherish the values of our community and strive to bring those principles into my practice. When I'm not advocating for clients, I enjoy spending quality time with my wife and our six children, exploring the beauty and adventure that Wyoming has to offer. If you are seeking a dedicated attorney with a proven track record in probate law, I look forward to discussing how I can assist you.

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