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Recent Understanding of STJ Redefines Limits of Partial Community and Reignites Discussions on Sharing of Property Acquired Before the Union, Financing Paid During the Marriage, and Assets Linked to Housing Programs.
The latest guidance from the Superior Court of Justice (STJ) has reignited the debate on partial community: although assets acquired before marriage are generally considered separate, there are situations in which amounts related to this property — and, in certain scenarios, a fraction of the property itself — are included in the division.
The court’s focus has been on the timing of the payment, the source of the funds, and the family purpose of the property, especially when there is ongoing financing during the union, improvements funded by the couple, or ties to housing programs.
General Rule: Assets Acquired Before Marriage Remain Separate
The starting point has not changed. In the partial community regime, assets acquired before marriage are, in principle, non-communicable.
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In practical terms, the property purchased and fully paid for before the marriage ceremony does not get divided in the divorce, provided there is no evidence of subsequent contributions from the couple or significant works paid for during the union.
Financing and Proportional Sharing During Marriage
When the price of the property has been financed and the installments have continued to be paid during the marriage, the STJ has recognized the presumption of common effort regarding the portion amortized during the period of marital union.
The outcome, in these cases, is not the automatic sharing of the entire property.
What is shared is the proportional share corresponding to the installments paid during the marriage — or, as the case may be, a compensation related to that amount.
In practical terms, the court has been delineating the scope of sharing to what has been effectively fulfilled during the union.
Even if the formal ownership is in one person’s name, the fraction paid with the couple’s resources is subject to sharing.
This approach prevents both the sharing of something that was already separate before marriage and the exclusion of what was, objectively, paid with joint effort.
Improvements and Appreciation of Separate Property
Another recurring issue involves improvements made during the marriage. If the work was carried out with the couple’s resources, the added value tends to be shareable.
The litigation here revolves around evidence: budgets, invoices, bank transfers, and appraisal reports that demonstrate the joint financial contribution and the impact of the intervention on the property’s value.
Housing Programs and Family Allocation
In 2025, the discussion about properties linked to housing programs gained traction.
In a recent ruling, the Third Chamber of the STJ recognized that the property donated by the government for family housing, even if registered in the name of only one spouse, is considered common property under the partial community and must be shared in divorce proceedings.
The understanding prevailed that the family allocation and the social nature of the program supersede a strict reading of ownership on the registry.
The logic is straightforward: if public policy provides housing for the family unit, the benefit cannot be individually appropriated in the dissolution.
This is a reinforcement of the social function of housing and the protection of the minimum assets of the household group, without prejudice to an analysis of the specific case.
Assets Acquired in the Union: Presumed Common Effort
The STJ also reiterated the established premise that, acquired for a price during the marriage, the asset is part of the division in partial community, even when the resources are exclusive to one of the spouses.
The classic presumption of common effort remains valid. The relevant factor, once again, is not just the name on the registry, but the timing of the acquisition and the evidence of payment.
Rights and Assets Formed During the Union
The jurisprudential backdrop has calibrated the sharing of rights and assets constituted during the marriage.
Reserves of open pension plans, balances of FGTS used for purchasing property, and occasional gains with economic impact for the couple typically enter the common pool.
The common denominator is to verify whether the economic triggering event occurred during the union and whether there was a patrimonial repercussion capable of benefiting the family.
When Non-Communicability Is Maintained
None of this alters the foundational rule. If the property was fully paid before the marriage, with no payment of installments or investments during the union and no proof of common effort linked to the asset, non-communicability is maintained.
The debate, therefore, is not “all or nothing”: it requires accounting proof, demonstration of financial flow, and evidence that there was, in fact, a contribution from the couple that justifies sharing or compensation.
Financial Timeline: Essential Tool in Divorce
In practice in 2025, lawyers advise creating a financial timeline for the property. First, identify the date and conditions of the purchase.
Next, cross dates and amounts of the installments with the phase of the relationship, locate who paid what, gather improvement notes, and check for any link to housing policy.
Without this mapping, two risks multiply: asking for less than what is due — and waiving amounts — or asking for more than what is appropriate — and facing a judgment of loss.
The same reasoning applies to other assets with patrimonial reflections in the union.
Evidence of contributions to open pension plans, statements of FGTS used in property acquisition, and documents showing unexpected gains during the union help to separate what is shared from what remains separate.
When documentation is lacking, the court tends to limit sharing to what is effectively proven.
Importance of Payment Date and Family Purpose
The common thread in recent decisions is the timing of the disbursement. In financing, the fraction that enters common property corresponds to what was paid during the union.
In improvements, what is under discussion is the appreciation caused by jointly incurred expenses.
In housing programs, the criterion focuses on the family purpose and the period of benefit utilization by the couple. In all cases, formal ownership loses significance against the documented economic backing.
Proof of Common Effort: Sensitive Point in Actions
Proving common effort precisely is the central challenge. Statements, receipts, contracts, and transfer records are decisive.
Generic claims of contribution, without documentary basis, have received less acceptance.
The STJ has preferred proportional solutions that avoid both unjust enrichment and sharing of assets foreign to the community.
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