About Us
At Denevan Falon Law Firm Prof. LLC. in Sioux Falls, our skilled lawyers bring dependable guidance to people facing stressful and disruptive legal situations. We provide services related to estate litigation, trust litigation, South Dakota trust structures and business litigation.
Our experienced legal team draws on years of hands-on work with all types of estates, from modest estates to cases involving high net worth and ultra-high net worth clients. We understand the unique issues that come with large estates, complex family dynamics and cross-border trust questions.
Attorneys Shannon R. Falon and Corey T. Denevan formed the firm in 2022 after long careers in private practice. Each lawyer brings a strong academic background and deep experience in estate and trust disputes. Read more about each of them below:
They also hold recognition from groups such as Super Lawyers and Best Lawyers, and we contribute to the global reach of the International Fraud Group. These connections keep us well-informed and help us make sure our clients never miss an important detail.
How We Approach Complex Estate And Trust Challenges
Clients rely on us to resolve estate and trust related matters with direct, steady action. Our team maintains close ties with fiduciaries, trust companies and leading figures across the South Dakota trust world. We handle confusing and multijurisdictional matters as well as claims of wrongdoing. Our lawyers often work across states and sometimes across countries.
Our team’s robust legal training and years of experience, spanning trust and estate litigation, business disputes and more, mean that we can craft thoughtful, tailored strategies. We prioritize clear, honest communication and building lasting relationships based on trust, integrity and respect.
We also handle business litigation, guiding clients through ownership fights, contract problems and corporate conflicts. We bring the same focus and care that we use in our estate and trust matters.
Get Skilled Counsel You Can Trust
Reach out to us today and start a clear path toward resolution in Sioux Falls and across South Dakota. Call 605-800-8897 or contact us online. We look forward to helping you regain control and peace of mind.

