Rooted in Wyoming Since 1938

What began in 1938 has grown into a respected statewide law practice, known for its experience, integrity, and results.

Practice Areas

Yonkee & Toner provides trusted legal counsel to individuals, landowners, businesses, governmental entities, and nonprofits throughout Wyoming. Whether advising clients on day-to-day operations or advocating in complex litigation, our attorneys bring practical insight and decades of experience to every matter—including representation in both State and Federal courts.

Experienced Representation Across Wyoming

If you don’t see your matter listed here, we encourage you to contact our office. Our attorneys can help determine the right path forward and connect you with the appropriate legal resources.

A Legacy of Legal Leadership

The strength of our firm is its people.

Our attorneys are some of the most respected and sought after in the state, including those who went on to serve Wyoming’s District Court and Supreme Court.

We are proud to carry forward a tradition of excellence that has shaped Wyoming law for generations.

Our Attorneys

Our team is committed to providing thoughtful, effective legal representation built on trust, experience, and a deep understanding of Wyoming law.

Tom C. Toner, attorney

Tom C. Toner

Practice Areas:
  • Litigation in State, Federal,
    and Chancery Courts

  • Oil and Gas Law

  • Landowner and Property Matters
  • Business and Estate Planning

Jay A. Gilbertz, Attorney

Jay A. Gilbertz

Practice Areas:
  • Litigation in State, Federal, and Chancery Courts

  • Business and Trust Disputes

  • Personal Injury

  • Insurance Defense

Kendal R. Hoopes

Kendal R. Hoopes

Practice Areas:
  • Oil and Gas Law

  • Landowner and Property Matters

  • Legal Counsel for School Districts

  • Board Counsel and General Counsel for Governmental Entities, Nonprofits, and Businesses

  • Litigation in State, Federal and Chancery Courts

Kevin K. Kessner

Kevin K. Kessner

Practice Areas:
  • Litigation in State, Federal, and Chancery Courts

  • Business and Estate Planning

  • Probate and Trust Administration

  • Landowner and Property Disputes

  • High-Asset Divorce

  • Personal Injury
  • Business and Trust Disputes

Christopher M. Sherwood

Christopher M. Sherwood

Practice Areas:
  • Business and Estate Planning

  • Probate and Trust Administration

  • Landowner and Property Matters

  • Business and Trust Disputes

  • Board Counsel and General Counsel for Governmental Entities, Nonprofits, and Businesses

Alison O. Gee

Alison O. Gee

Practice Areas:
  • Business and Estate Planning

  • Medicaid Planning and Qualification

  • Probate and Trust Administration

  • Landowner and Property Matters

  • Business and Trust Disputes

  • Board Counsel and General Counsel for Governmental Entities, Nonprofits, and Businesses

  • Legal Counsel for School Districts

  • Health and Hospital Law

Experienced Representation Across Wyoming

We focus on solving hard problems for individuals, landowners, businesses, governmental entities, and nonprofits throughout Wyoming. Our attorneys are adept at representing clients in State and Federal courts.

The firm has been at the forefront of significant cases protecting the rights and interests of Wyoming citizens, landowners, and businesses for generations.

Serving Wyoming with Integrity & Experience

At Yonkee & Toner, we are proud of our history and committed to providing thoughtful, effective legal representation built on trust, experience, and a deep understanding of Wyoming law.

Your counsel. Your advocates. Rooted in Wyoming.

Trusted Counsel Starts With a Conversation

Whether you’re planning for the future, protecting your business, or facing complex litigation, our team is here to provide clear guidance and strong advocacy.