Mbappé-PSG Ruling Limits Oral Agreement Defenses in French Law

Paris Saint-Germain’s problem was not that an oral understanding can never matter under French law. Its problem was more basic: the club asked a labour court to let an alleged “gentlemen’s agreement” defeat a signed wage obligation, while producing no signed waiver, no written amendment to the 2022 employment contract, and no contemporaneous documentary trail strong enough to carry that burden.

On December 16, 2025, the Paris Conseil de prud’hommes ordered PSG to pay Kylian Mbappé €60.9 million in unpaid wages and bonuses. The order was not merely symbolic. Reporting from Courthouse News described provisional enforcement, a €55 million conservatory seizure, and an order requiring PSG to publish the full judgment on its website for one month.[1] For contract lawyers, that is the operational consequence worth seeing first: once the written compensation obligation survived PSG’s unwritten-defense theory, enforcement pressure followed quickly.

The ruling has been described in sports terms because the parties are Mbappé and PSG, and because the amount is unusually large for an employment compensation dispute. But the legal lesson is almost embarrassingly ordinary. If an employer wants to modify, waive, defer, or settle a written wage entitlement, the paper trail has to exist before the dispute begins. A private conversation is not a reliable litigation instrument.

The Dispute Turned On Proof, Not Celebrity

The reported timeline is short enough to matter, but not complicated enough to obscure the drafting point. Mbappé’s 2022 PSG contract contained the wage and bonus obligations at issue. PSG later argued that, during an August 2023 meeting, Mbappé orally agreed to give up part of what he was owed. The French professional football league’s legal commission reportedly ruled in Mbappé’s favor in September 2024, and an LFP appeals commission confirmed that position in October 2024 before the labour court ruling in December 2025.[2]

That sequence matters because PSG did not appear to lose on a technicality at the first procedural doorway. The club had multiple chances to identify the kind of evidence that would make an alleged wage waiver plausible against the signed contract. The reported record still came back to the same absence: no written waiver, no written contractual amendment, and no contemporaneous document confirming that Mbappé had surrendered the disputed sums.

The available materials do not include the full judgment text. That limits any doctrinal claim about the court’s precise reasoning. What can be analyzed is the ruling as reported by AFP, Courthouse News, Marca/EFE, and legal commentary. That distinction is not cosmetic. A lawyer reading a judgment can parse the court’s legal syllogism; here, the safer exercise is to identify the procedural posture, the evidence the reporting says was missing, and the practical rule that follows for contract drafting.

Why The Oral-Waiver Defense Was So Fragile

Marca/EFE’s most useful contribution was not football color; it was the quoted legal distinction from Baker McKenzie partners Salvatore and Hurtado. They stated that “under French law, a verbal agreement is not automatically invalid; however, it has very little chance of being enforced in practice, as proving its existence is extremely difficult.”[3] That sentence should keep common-law readers from reaching for the wrong shortcut. The point is not that French law treats all oral agreements as void. The point is that proof becomes the case.

That is especially important in an employment dispute over compensation. A wage obligation in a signed contract is not just a commercial expectation between sophisticated negotiators. It is an employment entitlement. When an employer says the employee later waived that entitlement orally, the court is being asked to accept a post hoc employer narrative that contradicts the document designed to record the parties’ obligations.

In that posture, informality does not become more credible because the parties are sophisticated. It can become less excusable. PSG is not a local business that forgot to memorialize a minor scheduling accommodation. It is an elite sports organization dealing with one of the world’s highest-profile players over tens of millions of euros. If the alleged August 2023 waiver was meant to alter the compensation economics of the 2022 contract, the absence of a signed writing is not a clerical gap. It is the central evidentiary failure.

The Baker McKenzie commentary should still be read for what it is: expert commentary from lawyers speaking from a litigation-side perspective, not the judgment itself and not a neutral court summary. But the practical distinction they identify aligns with the reported outcome. An oral agreement may be legally conceivable; enforcing it against a written French employment contract is a different problem.

The Procedural Remedies Raised The Stakes

The remedies reported in the case also matter for counsel advising employers. Provisional enforcement meant the ruling had immediate financial consequences rather than remaining frozen while higher-court strategy developed. Courthouse News also reported that Mbappé had obtained a €55 million conservatory seizure and that PSG was ordered to publish the full judgment on its homepage for one month.[1]

The publication order is procedurally notable, although the available sources do not establish much about its practical effect beyond reputational pressure. The conservatory seizure is easier to understand as leverage: it ties the paper judgment to assets and payment risk. In a compensation dispute, that changes the boardroom conversation. The question stops being only whether the club believes its oral-agreement theory and becomes whether that theory can support delay, appeal, or settlement once enforcement tools are already moving.

That is one reason the case is useful outside sports. A weak modification record does not merely create merits risk. It can affect interim remedies, security measures, reputational exposure, and settlement posture. By the time a labour court is deciding whether to credit an unwritten waiver, the cheaper drafting choices are already unavailable.

The Ruling Was Not A Total Employee-Side Sweep

The narrowness of the lesson matters. Khalid Issa Law’s analysis described the court’s rejection of Mbappé’s attempt to have the fixed-term employment contract, or CDD, reclassified as an indefinite-term contract, or CDI, as “a small victory for clubs.”[4] That boundary keeps the ruling from becoming a cartoon version of employee protection in which every issue breaks one way.

The court, as reported, did not simply accept every employee-side theory because Mbappé was the claimant or because PSG was the employer. It accepted the claim that rested on the written compensation obligation and rejected, at least in part, a broader reclassification theory. For drafting lawyers, that is the useful shape of the case. The court’s skepticism was directed at the unwritten defense to a written wage claim, not at every contractual position a club might take.

That boundary also matters for comparative readers. French employment litigation has its own statutory, procedural, and evidentiary architecture. No U.S. employment-law analogy maps neatly onto it. The safer comparative takeaway is not that American doctrines about integration clauses, consideration, or oral modification can be imported into France. It is that counsel working with French employment agreements should expect written compensation terms to carry serious evidentiary weight, and should treat later oral modifications as litigation hazards unless they are documented in a form French decision-makers will credit.

The Larger Feud Was Procedural Noise Unless It Affected Leverage

The wider Mbappé-PSG dispute was far larger than the unpaid-wages claim. AP reported that PSG had sought hundreds of millions from Mbappé, including a €440 million counterclaim, as part of the broader legal battle.[5] Those numbers explain why the dispute attracted global attention and why both sides had incentives to litigate aggressively.

They do not change the wage-proof lesson. A counterclaim can alter negotiating pressure, media strategy, and settlement economics. It does not supply the missing signed waiver. If anything, the scale of the surrounding fight makes the absence of contemporaneous documentation harder to understand. Parties litigating at that level know how to paper a deal when they want one to bind.

PSG’s later procedural decision reinforces the practical endpoint. Marca/EFE reported in February 2026 that PSG would not appeal the ruling to the Court of Cassation, after provisional enforcement had forced payment and the matter was settled.[6] That does not transform the reported labour court reasoning into a high-court precedent. It does mean the case ended with the unpaid-wages order functionally intact rather than with a higher court rescuing the oral-waiver theory.

What Contract Practitioners Should Do Differently

For contract practitioners, the ruling matters because it collapses a familiar business habit: treating relationship management as if it were evidence. Executives, founders, clubs, and senior employees often reach practical accommodations before lawyers reduce them to text. That may be commercially rational in the moment. It is not a substitute for a record that can survive litigation.

For French employment agreements, the drafting discipline is straightforward:

• Compensation amendments should be written as amendments, not remembered as conversations.
• Waivers of wages, bonuses, loyalty payments, or deferred compensation should identify the contract provision affected and the amount or entitlement being waived.
• Settlement understandings should be signed before performance begins, not reconstructed after trust has broken down.
• Internal emails, board approvals, player-side confirmations, and counsel correspondence should be preserved when they explain why a compensation term changed.
• No one should assume that celebrity status, bargaining sophistication, or commercial pressure will make an undocumented employer-side defense easier to prove.

The lesson is not to stop negotiating informally. Business will not work that way, and elite sports certainly will not. The lesson is to separate negotiation behavior from enforceable modification. A meeting can produce commercial consensus. It should then produce the document that records the consensus, identifies any reciprocal concessions where relevant, states whether prior obligations are released or preserved, and is signed by the parties with authority to bind the employer and employee.

The timing is just as important as the form. A document created after litigation begins is evidence of a position. A document created when the parties still expect performance is evidence of the deal. Courts know the difference. So do counterparties deciding whether to pay, seize, appeal, or settle.

The Narrow Legal Implication

Without the full judgment text, the case should not be overstated as a sweeping new doctrine of French employment law. The better reading is narrower and more useful: in a French employment dispute, a written wage obligation is difficult to defeat with an alleged oral waiver unless the employer built a contemporaneous evidentiary record strong enough to prove that waiver.

That is enough to matter. The glamour of the parties does not improve the proof. If compensation terms, waivers, amendments, or settlements matter, they need to be written, signed, and preserved before the dispute begins. An oral understanding may be legally conceivable; as a litigation shield against a signed employment contract, it is a weak instrument when the record was never built.

References

1. Court rules PSG must pay more than $70M to Mbappé in dispute over unpaid wages, Courthouse News, Dec. 16, 2025
2. PSG must pay Mbappé €60.9 million, French labour court rules, France24 / AFP, Dec. 16, 2025
3. The word against the contract: the 'Mbappe case' that sets a precedent in world soccer, Marca / EFE, Dec. 20, 2025
4. Mbappe vs. PSG: A Landmark Precedent for International Sports Law, Khalid Issa Law, 2026
5. Mbappé's and PSG's $800M dispute: What you need to know, AP News, Dec. 16, 2025
6. PSG will not appeal the ruling that forced them to pay Mbappe 61 million euros, Marca / EFE, Feb. 21, 2026