Tom C. Toner

Tom C. Toner is an attorney with Yonkee & Toner, LLP in Sheridan, Wyoming, where he has practiced throughout his legal career. His work focuses on civil litigation, natural resources, estate planning, and commercial and real estate transactions. Toner also handles oil and gas law, landowner and property matters, and litigation in state, federal, and chancery courts, helping clients address disputes, transactions, and long-term planning needs.

Toner earned a B.A. from the University of Wyoming in 1970 and a J.D. with honors from the University of Wyoming College of Law in 1973. He was admitted to the Wyoming Bar that same year. His education provided a foundation in legal analysis, advocacy, and transactional planning that has supported decades of work involving business, property, natural resources, estates, and complex civil disputes.

Toner’s experience includes a long record of litigation and appellate matters involving commercial, property, natural resource, trust, and business issues. His official profile lists numerous published opinions from the Wyoming Supreme Court and the U.S. Court of Appeals for the Tenth Circuit, including Shriners Hospital for Children v. First Northern Bank of Wyoming, Questar Pipeline Co. v. Grynberg, and BHP Petroleum Co. v. Okie. His broader practice also includes estate planning and commercial and real estate transactions.

Tom C. Toner is a Fellow of the American College of Trial Lawyers and holds an AV Preeminent rating from Martindale-Hubbell. His professional background reflects more than five decades of legal practice in Sheridan and substantial experience across litigation, natural resources, property, estate planning, and commercial matters. Toner combines courtroom experience with transactional and planning work, helping Wyoming clients address both contested disputes and important business and property decisions.

Law Office Affiliations

• Attorney, Yonkee & Toner, LLP
• Fellow, American College of Trial Lawyers

Licensed State

• Wyoming

Education

• University of Wyoming College of Law
  Juris Doctor (JD)
• University of Wyoming
  Bachelor of Arts (BA)