The Marks Law Firm, LLC

The Marks Law Firm, LLC The Marks Law Firm, L.L.C. Family Law Attorneys has the experience to handle all types of family cas offers 60 years of combined legal experience. Mr.

Murry Marks has been involved in more than 1000 criminal and civil trials and principally handles cases in the areas of Criminal Defense and Personal Injury. He is a Life Member of the National Association of Criminal Defense Lawyers (2001), a member of the Million Dollar Advocates Forum (2008), was selected to Who’s Who in American Law (1990-present), and named Distinguished Fellow of the St. Louis Bar Foundation (1992). Jonathan Marks practices in the area of family law, including dissolution of marriage proceedings, large asset and complex custody litigation, motions to modify, paternity actions, prenuptial agreements, and other related matters. He has handled over 1000 family law matters and has extensive training in mediation. Marks was recognized by Missouri Lawyers Weekly as one of Missouri’s Up and Coming Lawyers in 2008 and by Super Lawyers Missouri & Kansas Rising Stars 2008, 2009, and 2010.

If you and your spouse have decided to mediate your divorce, you have already chosen a path that keeps you in control of...
09/29/2026

If you and your spouse have decided to mediate your divorce, you have already chosen a path that keeps you in control of the outcome. Reaching an agreement, though, depends on how you prepare and how you participate.
Missing financial records, rigid expectations, hidden information, and conversations that keep circling back to old hurts are among the most common reasons mediation stalls. Most of these can be anticipated, and many can be addressed before they derail the process.

Recognizing these roadblocks early gives you a far better chance of keeping your mediation moving toward an agreement that works for your family

Mediation stalls when records are missing, expectations run high, or trust erodes. Learn the common roadblocks and how to keep your mediation on track.

Second marriages are a fresh start, but if you have kids from a prior marriage, Missouri law doesn't automatically prote...
09/22/2026

Second marriages are a fresh start, but if you have kids from a prior marriage, Missouri law doesn't automatically protect what you want to leave them.
A Will alone isn't enough. Under Missouri's spousal elective share law, your new spouse can claim a share of your estate no matter what your Will says, unless you've signed a valid prenuptial or postnuptial agreement.
Life insurance and the right estate plan can round this out, so you're providing for your spouse without giving up ground on your children's inheritance.

In a Missouri second marriage, a Will alone may not protect your children's inheritance. Learn how a prenuptial agreement can secure what matters most.

Divorce is hard enough without financial guesswork making it harder. If you're navigating a Missouri divorce, understand...
09/15/2026

Divorce is hard enough without financial guesswork making it harder. If you're navigating a Missouri divorce, understanding what's actually possible financially - before deciding what feels fair - can save you time, money, and stress. We break down how to build a post-divorce budget, separate child-related costs, and keep emotional conflict out of the numbers.

A fair Missouri divorce settlement starts with a realistic budget, not emotion. The Marks Law Firm explains how to plan for maintenance and child support.

Divorce doesn't have to mean courtroom battles and mounting legal bills. Mediation gives Missouri couples a faster, more...
09/08/2026

Divorce doesn't have to mean courtroom battles and mounting legal bills. Mediation gives Missouri couples a faster, more collaborative way to work through custody, asset division, and long-term financial planning, often in two to four months. We break down what the process covers, what documents come out of it, and how a family law attorney still plays a role even when you're not headed to trial.

Learn how divorce mediation works in Missouri, from parenting plans and asset division to timelines, and how an attorney fits into the process.

If you're losing sleep over a spousal maintenance payment you can no longer afford, you're not alone, and you may have m...
09/01/2026

If you're losing sleep over a spousal maintenance payment you can no longer afford, you're not alone, and you may have more options than you think. Missouri law only allows a modification when your circumstances have changed in a way that's substantial and lasting, like a lost job or a serious medical diagnosis, and the court can only adjust payments going forward from the date you file. That means acting fast matters.

Life changes can make spousal maintenance unaffordable. Learn when Missouri law allows modification and how The Marks Law Firm can help you act fast.

Divorce involving foreign assets, overseas business holdings, or children living between two countries brings a level of...
08/25/2026

Divorce involving foreign assets, overseas business holdings, or children living between two countries brings a level of complexity that a standard case doesn’t have.
We break down how Missouri courts establish jurisdiction, divide international wealth, and address custody for families with ties across borders, plus what it takes to make a Missouri decree enforceable overseas.

Foreign assets, offshore trusts, and cross-border custody complicate divorce for expat families. See how Missouri law addresses high-net-worth cases.

Not sure how much your spouse really earns, or where the money actually goes? You are not alone, and it does not mean yo...
08/18/2026

Not sure how much your spouse really earns, or where the money actually goes? You are not alone, and it does not mean you have fewer rights.

Missouri law requires full financial disclosure during a divorce. Even if you have never managed the household finances, you are entitled to see the whole picture before any settlement is reached. Our experienced family law attorneys can help you get there.

Worried you don't know your family's full financial picture? Missouri law gives you the right to full financial disclosure during a divorce. Learn more.

Worried a mental health diagnosis could cost you time with your kids? Missouri family courts look at how a parent functi...
08/11/2026

Worried a mental health diagnosis could cost you time with your kids? Missouri family courts look at how a parent functions day to day, not just what is written on a medical chart. See how RSMo 452.375 actually protects parents managing a health condition.

Missouri courts weigh mental health as one of several custody factors, not a disqualifier. See how RSMo 452.375 shapes parental fitness evaluations.

Thinking about keeping a custody journal? A few simple habits can be the difference between a record that helps your cas...
08/04/2026

Thinking about keeping a custody journal? A few simple habits can be the difference between a record that helps your case and one that hurts it.
Stick to the facts. Skip the assumptions. Document your child's routine, not your frustrations with the other parent.
We break down exactly what to write, what to leave out, and how to keep your journal organized and credible for family court.

Learn what belongs in a custody journal and what to leave out. A well-kept record can strengthen your case in a Missouri child custody dispute.

Can you keep spending money during your Missouri divorce? In most cases, yes, as long as it is the spending you would no...
07/28/2026

Can you keep spending money during your Missouri divorce? In most cases, yes, as long as it is the spending you would normally do. Funding a new relationship, hiding cash, or draining joint accounts is a different story.

We walk through what Missouri courts consider normal spending versus marital waste.

Can you spend money during a Missouri divorce? Learn what's considered normal spending and what could trigger a marital waste or dissipation claim.

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4 Cityplace Drive, Ste 497
St. Louis, MO
63141

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Wednesday 9am - 5pm
Thursday 9am - 5pm
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