When someone hires a Tampa, FL divorce lawyer to file for divorce, they usually expect the case to focus on property, support, and parenting issues. But in Baxter v. Baxter (2024), the fight was more basic: the husband tried to avoid the entire divorce by claiming the marriage was bigamous and therefore void.
The First District Court of Appeal reversed the trial court, holding that even if a marriage might be technically void, a spouse can be equitably estopped from challenging it after living as a married couple for decades and enjoying all the benefits of marriage.
For clients, and for any divorce lawyer dealing with messy marriage validity issues, this case is a clear warning: you generally cannot accept a marriage for decades, build a family and finances around it, and then claim “we were never married” only when divorce is filed.
The Big Picture: Courts Can Block “We Were Never Married” Arguments
Florida law treats bigamous marriages as void. But Florida law also recognizes that it can be deeply unfair to let a spouse use a technical argument to escape responsibilities after years of acting married.
A divorce lawyer will describe this as a practical rule: courts do not like gamesmanship that destroys family stability and undermines long-term reliance.
That is where equitable estoppel comes in.
What Happened in the Baxter Case
The Husband Claimed the Marriage Was Bigamous
The wife filed for dissolution and alleged the parties married in Ecuador in April 1995. The husband responded by claiming:
- the wife was still married to a prior spouse at the time of the Ecuador marriage, and
- her Florida divorce from that prior spouse did not occur until August 1996.
Based on that, he argued the marriage was bigamous, void, and there was “nothing to dissolve.”
The Wife Raised Equitable Estoppel
The wife argued the husband should not be allowed to challenge the marriage because:
- they lived together as a family for over 25 years
- they raised children together
- they filed taxes as “married filing jointly”
- they purchased property as husband and wife
In other words, they built a life on the assumption of marriage.
What the Trial Court Did, and Why the Appellate Court Reversed
The trial court concluded the marriage was void and treated it as if it never existed.
The First District reversed, holding that the trial court misapplied the law because the husband was equitably estopped from challenging the marriage under these facts.
A divorce lawyer can summarize the appellate court’s reasoning in plain English:
- Florida strongly presumes a ceremonial marriage is valid.
- That presumption becomes stronger the longer the couple lives together as spouses.
- A spouse can be barred from attacking a marriage’s validity when it would be unfair and disruptive to family relations.
The appellate court emphasized that equitable estoppel does not “make” an invalid marriage valid in theory. Instead, it prevents a spouse from using an attack on validity to avoid obligations after years of living as married.
Why the Husband’s Timing Mattered
One of the most client-relevant points is this: the husband waited more than 25 years and only raised the “void marriage” defense after divorce was filed.
That mattered a lot.
A divorce lawyer will recognize why courts dislike this. The spouse raising the defense has often benefited from the marriage for years, then tries to shed obligations when it becomes inconvenient.
The appellate court treated that strategy as exactly what equitable estoppel is meant to stop.
This Case Is Not “Common Law Marriage”
The trial court suggested that upholding the marriage would be like creating a common law marriage, which Florida does not recognize.
The appellate court rejected that reasoning because:
- the parties had a ceremonial marriage in Ecuador
- the issue was not creating a marriage by cohabitation, but preventing an unfair attack on an established marital relationship
A divorce lawyer can use this case to reassure clients that estoppel is not a backdoor common law marriage. It is a fairness doctrine used to stop opportunistic defenses.
Frequently Asked Questions About Baxter v. Baxter
Can someone avoid divorce by claiming the marriage was void?
Sometimes they try, but not always successfully. A divorce lawyer will examine whether equitable estoppel applies based on the couple’s history and reliance.
What is equitable estoppel in a marriage case?
It prevents a spouse from taking a position contrary to their long-term conduct when the other spouse relied on the marriage. A divorce lawyer uses it to stop “we were never married” defenses after years of marital life.
Does bigamy always mean the marriage is automatically treated as nothing?
Bigamy can make a marriage void, but a divorce lawyer will explain that courts may still prevent a spouse from challenging the marriage where estoppel applies.
Why do taxes and property ownership matter?
Because filing as married and buying property as spouses shows long-term reliance and public representation. A divorce lawyer uses those facts to support estoppel.
Does this mean Florida recognizes common law marriage again?
No. A divorce lawyer will tell you the court is not creating a common law marriage. It is stopping an unfair attack on a ceremonial marriage after decades of reliance.
What This Case Means for You
Baxter v. Baxter is a strong reminder of what an experienced divorce lawyer will tell clients: long-term marital conduct matters. If you lived as spouses for decades, built property and finances together, and held yourselves out as married, a court may prevent one spouse from suddenly claiming the marriage never existed.
This case reinforces:
- Florida’s strong presumption favoring validity of a ceremonial marriage
- the power of equitable estoppel to prevent unfair “void marriage” defenses
- the importance of long-term reliance facts like taxes, property, and family life
If you are facing a marriage validity challenge in a divorce, a divorce lawyer can help frame the facts in the way Florida appellate courts recognize: not as a technical loophole, but as a fairness issue tied to decades of real marital life. Contact The McKinney Law Group today for help.
Written by Damien McKinney, Founding Partner

Damien McKinney is the Founding Partner of The McKinney Law Group, bringing nearly two decades of experience to complex marital and family law matters. He is licensed in both Florida and North Carolina and has been repeatedly recognized as a Rising Star by Super Lawyers.