So, you’ve hit the jackpot, and you’re probably wondering, “Can my ex wife claim my lottery win?” The short answer is it’s complicated but possible.
Now, let’s dive into the nitty-gritty of Australian family law to unpack that answer.
The Basics of Property Settlement in Australia
First things first, Australia follows a “no-fault divorce” system. This means that the reason for the separation doesn’t usually affect how assets, like your lottery win, are divided.
But before you sigh in relief, let’s get into the details.
Timing is Everything
The timing of your lottery win could be crucial. The winnings are generally considered marital assets if you win the lottery while still married. In that case, your ex-wife could have a legitimate claim.
Post-Separation Lottery Wins
Now, what if you won the lottery after the separation? Ah, this is where it gets interesting. Australian courts look at the “future needs” of both parties.
So, if your ex-wife can prove that she has a financial dependency on you, she might still get a slice of your pie.
Case Studies: Can My Ex Wife Claim My Lottery Win
Eufrosin v Eufrosin (2014)
In this case, the Wife bought the winning ticket after Husband and Wife had been separated for six months but before any property settlement was finalised between them.
It took another year for the case to get to the final hearing stage, and by that time, the Wife had already spent or given away one and a half million dollars of the winnings, leaving a balance of $3.4 million.
In such a case, the Court would have to consider the assets available for division at the time of hearing- the $3.4 million plus the other assets of the marriage, which amounted to another $2.5 million.
In this case getting a divorce of a very long marriage, with the parties approaching retirement age, the Court found that the parties’ contributions to the marriage’s assets (excluding the lottery winnings) were equal and divided those assets equally, with each party entitled to $2.5 million.
It then separately considered the $3.4 million in lottery winnings.
The Wife’s lawyer argued that the winnings should be all hers as the Husband did not contribute to the winning ticket.
The Husband’s lawyer argued that the winning ticket had been purchased using “joint funds” and, thus, he had contributed to the winnings, which should be divided equally.
The Court did not accept either of these extremes, finding that the parties had put in place a system where each made regular withdrawals from the former joint asset and used such withdrawals individually- the winnings were not a result of a “joint enterprise.”
However, the Court found that it was not just and equitable for the Wife to keep the entire lotto winnings as it needed to take into account the current financial circumstances and future needs of the parties.
So, the Court ordered that the Husband should receive $500,000 from the lotto win and the Wife keep the balance of $2,900,000 for herself- thus dividing the winnings in the proportions of 85% to the Wife and 15% to the Husband.
Elford v Elford (2016)
Here, the Husband won $622,842 in a lottery less than a year into the relationship. The couple maintained separate financial lives throughout their relationship, including separate bank accounts.
The Court ruled that the lottery winnings were not a “joint endeavor” and were the Husband’s sole contribution.
The Wife’s appeal for a more significant share of the property pool, mainly consisting of the lottery winnings, was dismissed.

Protecting Your Winnings
The next logical question is, how can you protect this newfound wealth from becoming a point of contention in case of a future separation?
One powerful tool at your disposal is a Binding Financial Agreement (BFA), often referred to as a “prenup” in other countries.
What is a BFA?
A Binding Financial Agreement is a legal contract between two parties in a relationship that outlines how assets and financial resources will be divided in the event of a separation.
It can be entered into before, during, or even after a marriage or de facto relationship.
Why Consider a BFA?
Clarity: A well-drafted BFA provides a clear roadmap for asset division, reducing the chances of disputes.
Speed: With a BFA in place, the property settlement process can be expedited, saving both time and emotional energy.
Cost-Efficiency: By avoiding lengthy court battles, you’re likely to save significant legal fees.
Limitations of a BFA
While a BFA is a robust legal safeguard, it’s not entirely foolproof. Courts in Australia have the discretion to set aside a BFA if it’s deemed unjust or if there has been a significant change in circumstances, such as the birth of a child.
Seek Legal Advice: It’s A Complex Issue
To sum it up, the question of “Can my ex wife claim my lottery win in Australia?” is not a simple yes or no. It’s a complex issue that depends on various factors, like the timing of the win and each party’s future needs.
If you find yourself in this fortunate (or unfortunate, depending on how you look at it) situation, seeking legal advice is necessary.
The founder of the firm, Silvio is a Family Law Specialist Accredited by the Law Institute of Victoria, Accredited FindLaw Feature Writer in Family Law and is a Founding Member of the Collaborative Law Committee of the Law Institute of Victoria.
Director of Melbourne Family Lawyers, Hayder manages the practice and oversees the running of all of the files in the practice. Hayder has an astute eye for case strategy and running particularly complex matters in the family law system.