Your Most Valuable Assets And Relationships
When disputes threaten your trusts, estates or business interests, our Sioux Falls attorneys will defend your rights across South Dakota and beyond. At Denevan Falon Law Firm Prof. LLC., our lawyers represent clients nationwide and internationally with straightforward legal solutions that honor and protect what matters most.
Straightforward Solutions For Complex Legal Disputes
At the Sioux Falls law firm of Denevan Falon Law Firm Prof. LLC., our attorneys manage complex legal disputes that affect our clients’ most valuable assets and relationships. They resolve trust litigation challenges when conflicts arise over trust management or interpretation. For estate litigation matters, they protect our clients’ interests when wills are contested or executors fail to fulfill their duties. They also stand up for beneficiary rights when individuals are denied proper information or distributions.
In addition, our team provides compassionate representation in guardianship and conservatorship proceedings to safeguard vulnerable individuals. In business litigation, our lawyers defend company interests against contract disputes, partnership conflicts and unfair practices.
From our South Dakota offices, we serve clients nationwide and internationally with straightforward advice and strong advocacy.
Practice Areas
Trust Litigation
Beneficiary Rights
Guardianship And Conservatorships
Estate Litigation
Business Litigation
Trust Litigation Case Examples
Practice Areas
Why Choose Denevan Falon Law Firm Prof. LLC.
Our attorneys, Shannon R. Falon and Corey T. Denevan, have 45 combined years of experience, bringing valuable insight to trust and estate disputes. They understand the unique aspects of South Dakota trust law that apply to high net worth individuals and families. They manage complex cases involving multiple stakeholders across different jurisdictions and countries.
They approach each case with integrity and transparency and take responsibility for our clients’ interests and well-being. They have successfully represented many high-stakes family disputes in which relationships and significant assets were at risk.
When you choose Denevan Falon Law Firm Prof. LLC., our lawyers will work tirelessly to protect what matters most to you.







Our Clients Success Stories
“In my parents’ final years, I found myself dealing with a sibling who had stopped talking to me and was exerting influence over our parents. I needed help protecting my aging parents, my visitation with my parents, the management of their estates, and the administration of their estate plan. With the assistance of the lawyers at Denevan Falon Joyce, I was able to continue my relationship with my parents, provide input into their care, obtain information about their estates, protect their estate planning, and make sure their estate was distributed according to their wishes.”
-Client
“I just can’t say enough good things about this firm. Corey, Shannon and Meghann were exceptional! Our case was more than just a case to them. They were so dedicated and actually cared so much about what happened to us! Their dedication was outstanding! They were there when we needed them and we were treated with respect and so much kindness ! I highly recommend them and would definitely give them 5 stars ! I will always be thankful that they were recommended to us and took our case .”
-Client
“Shannon is Smart, Committed, Dedicated to her craft, and Responsive – Hard to get a better combination than that.”
-Client
“Shannon is Smart, Committed, Dedicated to her craft, and Responsive – Hard to get a better combination than that.”
-Client
“I have had the opportunity to work closely with Ms. Falon, as a corporate representative, on a multi-year bad faith case involving a large regional insurance carrier. Ms. Falon is very detail oriented, but yet understands the big picture of our lawsuit. Ms. Falon has a very pleasant personality and has been a pleasure to work with.”
-Client
Meet Our Attorneys
Do Not Face Your Legal Battles Alone
When trust disputes, estate conflicts or business litigation threaten what matters most to you, our attorneys are ready to help. They will listen carefully to your concerns, clearly explain your legal options and develop strategies that align with your goals.
To schedule a consultation, contact Denevan Falon Law Firm Prof. LLC. today by calling 605-800-8897 or sending us a message. Let us provide you with responsive, thoughtful legal representation.


