Business Details
Trusted Legal Representation in Sheridan, Wyoming
Yonkee & Toner has served the legal needs of Wyoming's ranching community, landowners, businesses, and individuals since the 1940s. Our firm combines decades of local experience with specialized expertise across diverse legal disciplines, including natural resources, oil and gas law, and complex litigation. We maintain a strong tradition of excellence through our attorneys' memberships in prestigious organizations like the American College of Trial Lawyers while providing personalized representation tailored to Wyoming's unique legal landscape. Our team of seasoned attorneys and certified paralegals delivers comprehensive legal solutions grounded in deep regional knowledge and a commitment to client service. 
Services
Criminal Defense
Commercial Law
Estate Planning
Oil and Gas Law
Real Estate
Probate
Trusts
Medical Malpractice
Personal Injury
Natural Resources
Highlights and features
- We offer decades of Wyoming-specific legal expertise since the 1940s
- Our attorneys hold memberships in prestigious legal organizations
- We provide personalized service with deep local knowledge
- Our team includes certified paralegals with litigation specialization
- We handle complex cases across multiple practice areas
Associations and certifications
- American College of Trial Lawyers
- Martindale Hubbell AV-rated
Services
Oil and Gas Law
Our attorneys provide comprehensive representation in oil and gas matters, including lease negotiations, mineral rights disputes, and regulatory compliance. We advise landowners and energy companies on contractual agreements and environmental regulations. Our experience spans exploration, production, and transportation issues specific to Wyoming's energy sector.
Estate Planning
We create customized estate plans addressing wills, trusts, and probate matters. Our attorneys help clients protect assets through advanced directives and tax-efficient strategies. We specialize in multi-generational planning for ranching families and business owners while ensuring compliance with Wyoming's unique estate laws.
Natural Resources
Our practice covers water rights, land use regulations, and agricultural law. We represent clients in disputes over grazing rights, mineral development, and environmental compliance. Our team handles complex transactions involving public land management and conservation easements across Wyoming's diverse landscapes.
Commercial Litigation
We represent businesses in contract disputes, partnership conflicts, and commercial litigation. Our attorneys handle complex cases involving breach of contract, business torts, and regulatory challenges. We combine trial experience with strategic negotiation skills to protect commercial interests in Wyoming's courts and arbitration proceedings.
Medical Malpractice
Our firm defends healthcare providers in malpractice claims while also representing patients in complex medical negligence cases. We handle hospital liability, diagnostic errors, and treatment-related disputes. Our attorneys combine medical expertise with courtroom experience to navigate Wyoming's healthcare legal framework effectively.
People
Tom C. Toner
Of Counsel
University of Wyoming College of Law graduate with honors (1973). Fellow in the American College of Trial Lawyers. Specializes in litigation, natural resources, and estate planning with over 50 years of Wyoming legal experience.
Jay A. Gilbertz
Partner
University of Wyoming Law graduate (1996). Fellow of American College of Trial Lawyers and International Society of Barristers. Handles personal injury, wrongful death, and complex litigation cases in state and federal courts.
Kendal R. Hoopes
Partner
University of Wyoming Law honors graduate (2000). Member of Order of Coif. Specializes in oil and gas law, real property, and education law. Served on Wyoming Board of Law Examiners (2007-2011).
Kevin K. Kessner
Partner
University of Wyoming Law graduate (2007). Handles litigation matters including personal injury, business disputes, and family law. Also practices real estate transactions and estate planning.
Christopher M. Sherwood
Partner
University of Wyoming Law honors graduate (2013). Specializes in estate planning, real estate, and probate administration. Former clerk for Judge Thomas T.C. Campbell. Active in Sheridan community organizations.
Questions
What areas of law does Yonkee & Toner specialize in?
We specialize in oil and gas law, natural resources, estate planning, commercial litigation, and medical malpractice. Our attorneys also handle real estate, probate, and education law matters across Wyoming.
How long has Yonkee & Toner been practicing law in Wyoming?
Our firm has provided legal services in Wyoming since the 1940s, maintaining a continuous presence in Sheridan with multiple generations of attorneys.
Can out-of-state clients work with Yonkee & Toner?
Yes, our attorneys are licensed in Wyoming State and Federal Courts, including the Tenth Circuit Court of Appeals and United States Supreme Court, enabling representation across jurisdictional boundaries.
What makes Yonkee & Toner different from other Wyoming law firms?
Our combination of deep local knowledge, specialized expertise in Wyoming-specific legal matters, and attorneys' memberships in prestigious legal organizations distinguish our practice.
How does Yonkee & Toner handle complex litigation cases?
Our attorneys combine trial experience with strategic negotiation skills. We prepare every case for trial while seeking efficient resolutions, leveraging our knowledge of Wyoming's legal landscape.
