By Jason Kohlmeyer, Family Law Attorney
To file for a legal separation in Minnesota, you start it almost exactly the way you start a divorce. One spouse files a petition in the district court for the county where either spouse lives, at least one of you must have lived in Minnesota , and the court then sorts out property, debts, custody, parenting time, and support. The one difference that matters most is the ending. A legal separation leaves you legally married. A divorce, which Minnesota calls a dissolution of marriage, ends the marriage entirely and frees both people to remarry. Everything else, the forms, the financial disclosures, the parenting plan, looks remarkably similar.
I have practiced Minnesota family law for over 25 years, much of it in high-conflict cases and in farm and business divorces, and legal separation is one of the most misunderstood tools in the system. People assume it is a softer, cheaper, or required version of divorce. It usually is none of those things. Below I walk through what is actually different, the myths I correct in my office almost every week, and how the filing really works.
Both are governed by the same chapter of law, Minn. Stat. § 518.06. That statute defines a dissolution as the complete termination of the marriage and defines a legal separation as a court determination of the rights and responsibilities of a married couple that does not end the marriage. Read that twice, because it is the whole ballgame. After a legal separation you are still married. You cannot remarry. You may still be treated as a spouse for some purposes, depending on the document and the policy involved.
What surprises people is how much the two proceedings share. In a legal separation, the court can still divide your marital property and debts, decide legal and physical custody, set a parenting time schedule, and order child support and spousal maintenance. You are not getting a watered-down result. You are getting most of a divorce, with the marriage left intact at the end. The comparison below lays out where they line up and where they part ways.
You do not. Minnesota has no waiting-room requirement where you must be legally separated first. Some states do this. Minnesota does not. You can file for a dissolution directly. Legal separation is an alternative path, not a mandatory stop along the way to divorce.
This is the one I push back on the hardest, because it sounds reasonable and it is usually wrong. A contested legal separation requires the same financial disclosures, the same custody analysis, and the same negotiation or trial work as a contested divorce. The legal effort is nearly identical. If anything, separating can cost you more in the long run, because a meaningful share of couples who legally separate later decide to divorce, and they pay to run a second proceeding on top of the first. If your real goal is to end the marriage, separating first is often the more expensive route, not the cheaper one.
Living in different houses is a physical separation, not a legal one. It carries no court orders and no protections. Until a judge signs a decree, neither of you has an enforceable order about who pays the mortgage, who claims the children, or how the accounts are handled. I see people operate for a year on a handshake understanding, then watch it fall apart the moment money gets tight. A legal separation exists only when the court enters a decree.
Not automatically. Protection comes from what the decree actually says and when it takes effect, not from the label on the case. This is exactly why filing matters. Once a proceeding is underway and the court addresses your finances, you have an order to point to. A vague sense that you are separated protects nothing.
The mechanics track the divorce process closely. First, confirm you meet the residency rule. Under Minn. Stat. § 518.07, one spouse must have lived in Minnesota, or been a domiciliary, for at least 180 days before the case begins. Members of the armed services stationed here can also qualify.
Next, one spouse prepares and files a petition for legal separation in the district court for the county where either party resides. If the other spouse agrees and does not ask for a divorce instead, § 518.06 directs the court to grant the separation. From there you exchange financial information, work through custody and parenting time if you have children, and either reach a written agreement or ask the judge to decide the open issues. The Minnesota Judicial Branch publishes the underlying court forms and a step-by-step overview on its divorce and dissolution self-help pages, and many people start with the state’s official court forms before deciding whether they need a lawyer.
One practical note from experience. Because a legal separation requires the same work as a divorce, the decision is rarely about saving steps. It is about whether you want the marriage to survive the process. If you are confident the marriage is over, I usually tell clients to file for dissolution and not pay twice.
There are honest reasons people choose it, and they tend to be specific rather than general. Religious conviction is a common one. Some people will not divorce because of their faith but still need enforceable orders about finances and children. A legal separation gives them structure without ending the marriage.
Health insurance is another, though it deserves caution rather than confidence. Some employer plans let a spouse stay on coverage during a legal separation when a divorce would end it, while others treat legal separation as a qualifying event that drops the spouse anyway. I never assume. Before anyone relies on this, I tell them to get the answer in writing from the plan administrator, because the plan document controls, not a general rule of thumb.
A third reason is genuine uncertainty. Couples who are not ready to declare the marriage over, but who need clear rules in the meantime, sometimes use a separation as a structured pause. Just go in with eyes open. The work and the cost mirror a divorce.
Where you file is the county district court for the county where either spouse lives, and in our part of the state that usually means Blue Earth County in Mankato, Olmsted County in Rochester, or one of the smaller surrounding counties in the judicial districts that cover southern Minnesota. The legal standard is the same statewide, but the practical reality of a smaller county docket is not. In a busy metro county, a contested separation and a later divorce might land in front of different judges months apart. In a smaller southern Minnesota county, you are more likely to see the same judge twice, which is one more reason not to run a separation as a half-measure if you already know you want out.
This region also raises a wrinkle the metro rarely sees. Around Mankato and out through the farm country of Blue Earth, Faribault, and Martin counties, a married couple often shares an operating farm. A legal separation can hold a farm operation together through a growing season while the spouses decide what to do, since the marriage and its associated arrangements stay legally intact. That can be the difference between an orderly transition and a forced sale at the wrong time of year. I have handled enough farm divorces to say that timing in agriculture is not a small detail, and it is one place where choosing separation over an immediate divorce can be load-bearing rather than sentimental.
Yes. A legal separation does not lock you in. If you later decide to end the marriage, you can file for a dissolution, and the issues already resolved in the separation often give you a running start. The reverse is also true. If you reconcile, you can ask the court to dismiss or vacate the separation and go back to being an ordinary married couple, which is something a divorce decree can never offer once it is final.
That reversibility is the real heart of the choice. Divorce is a door that closes. Legal separation is a door left open. Deciding which one you want is less a legal question than a personal one, and it is worth talking through with someone who has seen how both play out before you file. If you want to read the statute language yourself, the full text of Minnesota Statutes Chapter 518 is published by the state Office of the Revisor.
About the author: Jason Kohlmeyer is a Minnesota family law attorney with over 25 years years of experience and a partner at Kohlmeyer Hagen Law Office in Mankato and Rochester. He has practiced family law exclusively since 2010 and has handled hundreds of Family Law cases across southern Minnesota. He is the author of The Divorce Survival Guide: Getting Divorced in Minnesota and has spoken on family law topics for the American Bar Association, Minn. State Bar associations and American Trial Lawyers Association. He is a member of the Minnesota State Bar Association and has been recognized by Super Lawyers and Best Lawyers of America for many years.
