De Hoyos y Avilés SC

Beyond the Shield: How Mexico’s Landmark Corporate Veil Precedents Impact Non-Signatories in International Arbitration                                                                                   By: Jorge E. de Hoyos Walther   For decades, Mexico remained a conservative stronghold for corporate formalization, where the separation of assets was an absolute shield. However, a recent landmark shift by the Mexican Supreme Court has fundamentally altered the rules of the game, creating an immediate ripple effect for corporate liability, commercial litigation, and cross-border dispute resolution. Common law permits the piercing of the corporate veil and acknowledges the alter ego theory. In Mexico, corporate law remains ambiguous on this matter. For years, trial attorneys, academics, and judges have held varying opinions on the issue. Over the past decade, Federal Circuit Courts have begun to establish precedents favoring the piercing of the corporate veil. However, it is only recently that the Mexican Supreme Court has addressed this issue, as earlier cases had not been brought before the high court. On February 2025 the Supreme Court published two precedents that allow the piercing of the corporate veil under certain conditions. The rulings also address taking such action as a precautionary measure in commercial lawsuits. Case law precedents are published as follows: Digital registry number 2029944. CORPORATE VEIL. IT SHOULD BE LIFTED AS AN EXCEPTIONAL MEASURE WHEN IT IS PROVEN THAT IT IS USED TO DEFRAUD THIRD PARTIES. Digital registry number 2029943. CORPORATE. AS A GENERAL RULE, ITS LIFTING CANNOT BE ORDERED AS A PRECAUTIONARY MEASURE IN A PRELIMINARY PROCEEDING. What is the corporate veil? The corporate veil is a legal fiction that offers protection to shareholders and is an integral aspect of any company. When individuals incorporate a commercial entity that meets all legal requirements, the company is deemed to exist as a separate legal entity with its own autonomy and independence. The principle of separating the corporate legal entity from its shareholders ensures that, under ordinary conditions, the actions of the entity do not impact the legal status of its owners, partners, or representatives. The corporate veil concept was created to limit individuals' liability to the extent of their financial contribution to the company. Piercing the corporate veil refers to disregarding the legal personality of a company when the entity has acted unlawfully to the detriment of third parties. In Mexico, the primary law governing the incorporation of companies is the General Law of Commercial Companies which provides that: ·       Commercial companies have a legal identity distinct from that of their partners. (Article 2nd). ·       Creditors of a specific shareholder can enforce claims on the profits earned by that partner from the partnership, but not on the assets of the partnership. (Article 23rd) As corporations grew, their activities became more complex, and some misused the corporate veil to evade responsibility. To counter this, legal measures were introduced to hold shareholders or representatives accountable for illegal activities, fraud, or breaches, leading to the concept of piercing the corporate veil. Piercing the corporate veil allows parties to: ·       Disregard the partnership as a distinct legal entity. ·       Remove the liability protection for the partners within the partnership.   New case law argued before Mexico's Supreme Court. The Mexico Supreme Court examined two interconnected topics about piercing the corporate veil. One topic was identified as the principal issue, while the other was considered an accessory issue. In summary, the court concluded that: ·       The corporate veil must be pierced when used unlawfully or to defraud third parties. As a restrictive measure, it should be considered exceptional and applied with prudence, clear and robust justification, and reliable evidence. ·       Generally, corporate veil piercing is not permissible in a preliminary injunction proceeding. Supreme Court case opinions. In the cases, the Supreme court argued the following: ·       The Supreme Court held that a key principle of corporate law is the separation of assets, meaning the company's assets and liabilities are distinct from those of its partners. The Court concluded that this separation ensures that the corporation's members are not personally liable for the company's debts beyond their capital contributions. If the company lacks solvency, members are only responsible up to the amount they have invested. ·       The court found no clear provision for piercing the corporate veil or disregarding a company's legal identity. In specific circumstances, the principle of piercing the corporate veil may be invoked as an extraordinary measure. This action is based on good faith principles, preventing abuse of rights, and avoiding legal fraud. ·       The exceptional application is intended to prevent the abusive use of a company's legal identity for the purpose of evading obligations or legal duties. By disregarding the separation of assets of the new entity, the aim is to determine the genuine social and economic identity of the company. This process clarifies the company's overall objectives or those specific to a particular business venture. ·       The Supreme Court held that Mexican law includes mechanisms with effects similar to piercing the corporate veil. These include joint and several liability (Article 2 of the General Law of Commercial Companies), the controlling beneficiary provision (Article 3, Section III, of the Federal Law for the Prevention and Identification of Operations with Illicit Proceeds), and presumptions of actions in fraud of creditors (Article 117, Sections II, III, and IV of the Law of Commercial Bankruptcy). ·       As it is a restrictive measure that contravenes the guarantee of legal certainty for the commercial company, its partners, and potentially other companies within its corporate group, piercing the corporate veil must be regarded as an exceptional action, utilized restrictively, and applied subsidiarily. Therefore, it should be executed with due caution and sufficient justification to set aside the principles underpinning company regulation. ·       The Court determined that piercing the corporate veil requires consideration of both objective and subjective elements. Objective factors include the company's incorporation, structure, governance, and any debt or obligation breaches. Subjective elements involve the context where the company was incorporated with the intent to deceive third parties or where the corporate veil is used to misrepresent actions or commit fraud against third parties. Conclusions and practical applications The recent cases decided by the Mexican Supreme Court, along with an accumulation of rulings from Federal Circuit Courts, form the foundation for case law direction regarding the abuse of legal personality and the separation of assets between partners and the company. In contemporary practice, it is imperative for corporate lawyers to ensure that corporations adhere to corporate regulations, as failure to do so may result in the invocation of the corporate veil doctrine. Beyond traditional commercial litigation, the Mexican Supreme Court's landmark ruling yields profound practical applications within the realm of domestic and international arbitration, particularly regarding the binding of non-signatories to arbitration agreements. Under the doctrine of separability and the competence-competence principle, international arbitral tribunals frequently resort to transnational law and leading treaties—such as the New York Convention and the UNCITRAL Model Law—to determine their own jurisdiction over non-signatory corporate affiliates. However, the lack of a clear domestic substantive standard in Mexico had historically hindered the application of theories like alter ego, piercing the corporate veil, or 'the group of companies doctrine' (Dow Chemical standard) when Mexican law governed the merits. With Precedents 2029944 and 2029943, the SCJN provides the long-awaited substantive lex causae foundation. Arbitrators and practitioners can now argue that when a shareholder or parent company uses a Mexican subsidiary as a mere instrument to commit fraud or evade contractual obligations, the protective corporate veil is set aside as an exceptional measure. Consequently, the arbitration agreement contained in the underlying contract can be legally extended to the non-signatory alter ego. This paradigm shift aligns Mexican jurisprudence with leading international standards—akin to U.S. federal arbitration law under the FAA  and French arbitration practice—thereby strengthening Mexico’s position as a sophisticated, arbitration-friendly seat where corporate manipulation cannot be used as a shield to escape arbitral jurisdiction. It is essential to note, however, that because these judicial guidelines are novel, the path of Mexican case law is subject to ongoing evolution. Arbitral tribunals and litigants must monitor these developments closely, as future statutory reforms to Mexico's corporate framework or shifts in judicial interpretation could fundamentally alter the enforcement standards and the legal reach of the alter ego doctrine over non-signatory entities. I welcome your thoughts and commentary on these shifting paradigms. We may continue our exchange on the matter via email at [email protected]

Do “Equitable Estoppel” and “Collateral Estoppel” Exist in Mexican Law? A Comparative Analysis for US Practitioners Handling Transborder Claims By: Jorge E. de Hoyos Walther When US attorneys analyze cross-border litigation or complex commercial transactions involving Mexico, one of the most frequent questions that arises is: Does Mexico recognize an equivalent to the American doctrine of estoppel? The brief answer is: through a literal translation, no; but in terms of practical application, absolutely yes. While Mexico is a civil law jurisdiction that does not operate under common law precedents , the Mexican legal system has developed highly robust functional equivalents rooted in the core principles of good faith and binding jurisprudence. International practitioners handling matters with points of connection in Mexico must recognize that Mexican law has significantly evolved in this specific area, narrowing the conceptual gap with US jurisprudence. Here is how these critical doctrines translate into practice when crossing the border: 1. The Equivalent to Equitable Estoppel: La Doctrina de los Actos Propios In the United States, the doctrine of equitable estoppel acts as a shield to prevent a party from retracting their own statements, representations, or conduct if another party reasonably relied on them in good faith and would suffer a detriment as a result. In Mexico, this framework is not explicitly codified under the term "estoppel". Instead, it is enforced under the well-established jurisprudential framework known as La Doctrina de los Actos Propios (the Doctrine of One's Own Acts). This doctrine traces its lineage directly back to classical Roman law, deriving from the celebrated maxim compiled in the Digest[1]: Nemo potest mutare consilium suum in alterius iniuriam ("No one can change his purpose to the injury of another"). The Statutory Foundation: Rather than relying on equity courts, this doctrine finds its statutory footing in the principle of contractual good faith. This is explicitly mandated by Article 1796 of the Mexican Federal Civil Code (and its state counterparts), which establishes that parties are bound not only to what is expressly stipulated in a contract, but also to all the consequences that naturally derive from good faith, usage, or the law. Judicial Evolution: While the Mexican Supreme Court issued sporadic precedents on this issue as early as 1958, the last fifteen years have witnessed a major expansion. The doctrine is now consistently applied across Federal Circuit Courts and Appellate Tribunals, substantially reinforcing its authority. Today, Mexican courts will not permit a litigant to adopt a position within a lawsuit or contract that flagrantly contradicts their prior, overt behavior, thereby protecting the legitimate expectations and reliance of the counterparty. [2] Cross-Border Case Study: I recall a high-stakes litigation matter commenced in 2010 that spanned several years. Our firm represented a US-based insurance corporation that had underwritten a credit facility worth several million dollars in Mexico. Seeking to escape liability, the Mexican debtor claimed that its own CEO lacked the requisite corporate authorities to bind the company to the credit agreement (a claim that technically appeared true due to highly restricted corporate bylaws). Our entire defense strategy centered on the overarching principle of good faith. We argued that because the debtor corporation had accepted, processed, and utilized the loan proceeds, it was legally barred from asserting years later that its signing officer lacked capacity. Following multiple rounds of appeals, the Federal Tribunal ruled completely in our favor, specifically invoking La Doctrina de los Actos Propios as a functional bar identical to equitable estoppel. This line of defense remains highly effective in Mexican breach of contract and commercial litigation. 2. Res Judicata in Mexico: La Cosa Juzgada This is the area where the civil law and common law systems stand in near-perfect alignment. The classic doctrine of res judicata (claim preclusion) is fully recognized under Mexican procedural law under the identical Latin concept: Cosa Juzgada. To successfully invoke the defense of Cosa Juzgada to bar an entirely new lawsuit, Mexican courts apply a strict three-prong test requiring identity across the prior and current actions. The federal standard explicitly outlines the requirements as follows: "In order to determine whether the exception of res judicata (cosa juzgada) is triggered in a lawsuit, it is necessary that a prior, final judgment has been rendered, and that both cases coincide in three specific aspects: a) the subject matter or object of the litigation; b) the causes of action; and c) the identity of the parties acting in the same legal capacity. When these three elements are met, we are facing the 'direct effect' of res judicata, meaning that the controversy brought before the new court has, in reality, already been adjudicated." Just like in the United States, once a claim has been litigated to its ultimate conclusion and a final, unappealable judgment (sentencia firme) has been entered, the parties are permanently barred from filing a new action regarding the same dispute. 3. The Equivalent to Collateral Estoppel: La Cosa Juzgada Refleja In US practice, collateral estoppel (issue preclusion) serves as a precise procedural tool. It bars the re-litigation of a specific issue of fact or law that was already determined in a prior proceeding, even if the second lawsuit involves a completely different cause of action. It is conceptually distinct from broad claim preclusion (res judicata). You will not find the term "collateral estoppel" anywhere in Mexican statutory codes. However, Mexican jurisprudence and civil law doctrine have developed a sophisticated, parallel procedural mechanism known as Cosa Juzgada Refleja (Reflected Res Judicata). Mechanism of Operation: When a Mexican court has thoroughly analyzed and resolved a central, material fact or legal issue in a first trial, that determination casts a "reflective effect" over all subsequent lawsuits. Parties are prohibited from re-debating that specific, settled issue if it is intimately intertwined with the new controversy. The Critical Distinction: While traditional “Cosa Juzgada” requires a perfect identity of object, cause, and parties, “Cosa Juzgada Refleja” operates precisely when those three identities do not fully overlap. If an issue resolved in a prior case heavily impacts a subsequent dispute to such an extent that ignoring the first court’s ruling would undermine public policy and jeopardize judicial certainty, the second court is bound by the first determination. [3] It is worth noting that certain procedural variations exist within specialized areas such as labor, agrarian, bankruptcy, and family law, which require isolated analysis. Furthermore, an compelling issue for a future article is the interplay of issue preclusion between international arbitration awards and domestic litigation. For example: Does an arbitral award rendered years ago in Paris on a connected issue legally bind a Mexican judge in an ongoing domestic litigation? Under the New York Convention and modern standards of award enforcement, a strong argument can be made that Mexican courts must give full "indirect" or reflective preclusive effect to that international award. Conclusion for Cross-Border Practitioners Navigating the interface between common law and civil law requires looking past literal nomenclature to identify the underlying substantive and procedural objective of the rule. The Mexican legal system is fully equipped with sophisticated mechanisms designed to prevent bad faith, preclude inconsistent litigation tactics, and eliminate duplicative proceedings. It simply achieves these universal goals through its own structured civil law framework. Have you ever encountered challenges enforcing issue preclusion or reliance arguments in Mexican courts? Let's discuss in the comments below. #InternationalArbitration #CrossBorderLitigation #MexicoLaw  #LegalInsights #ComparativeLaw [1] Ulpiano, Digesto 50.17.75 [2] Registro: 2001905. “DOCTRINA DE LOS ACTOS PROPIOS. SU DERIVACIÓN INMEDIATA Y DIRECTA DEL    PRINCIPIO GENERAL DE BUENA FE” Registro 271942 “CONTRATOS, PRINCIPIO MORALIZADOR DE LOS.” [3] View record 20226918 https://sjf2.scjn.gob.mx/detalle/tesis/2026918

Can You Seize Assets from the Mexican Government? In 2023, I took that question all the way to the Mexican Supreme Court. By: Jorge E. de Hoyos Walther If you’ve ever litigated against a public entity, you already know: Winning the case is often the easy part. Getting paid is the real challenge. Back in 2023, I had the opportunity to lead a case before the Mexican Supreme Court that raised a question many practitioners quietly accept but rarely challenge: what happens when the government itself refuses to pay? The case started with a transportation company that had been contracted by IMSS (Mexico’s public health agency) to move patients between clinics and cities. Over time, IMSS stopped paying. The debt grew to roughly half a million dollars. After several years of litigation—and multiple appeals—we obtained a final judgment ordering IMSS to pay. But as many who litigate against the State already know, winning a judgment is often only half the battle. Getting paid is something else entirely. Despite the court’s order, IMSS simply didn’t comply. So we moved to enforce the judgment and requested the seizure of IMSS assets. The District Court denied our request, relying on Article 4 of the Federal Code of Civil Procedures, which states that State assets may “never” be seized. We appealed. Denied again. We went further, filing a constitutional challenge. Denied again. At that point, we took the case to the Mexican Supreme Court, arguing that this absolute prohibition—this idea of “never”—was unconstitutional because it effectively denies access to justice. The key question The issue before the Court was simple in appearance but profound in its implications: If the law says State assets may never be seized, does that mean judgment creditors are left without any effective remedy? Does that violate the constitutional right of access to justice? Can “never” really mean never? The Court’s answer The Supreme Court agreed with us. Through a constitutional interpretation, it held that an absolute prohibition is incompatible with the right to access justice. The Court concluded that State assets can be seized in certain circumstances—specifically, when those assets are not essential to the provision of public services. In other words, “never” does not always mean never. Why this matters This ruling sets an important precedent for anyone dealing with government debt in Mexico. Historically, suppliers and contractors have faced a frustrating dynamic: even after winning in court, collection remained uncertain because the State could delay payment without real consequences. The inability to seize assets created a structural imbalance. This decision begins to correct that. Now, once a judgment is obtained, creditors have a meaningful enforcement tool. It doesn’t mean every State asset is fair game—but it does mean the State can no longer rely on absolute immunity as a shield against its obligations. A personal note This case was a long and demanding process, and I’m especially proud of the persistence it required from everyone involved. It’s a reminder that sometimes the most important wins are not just about one client—they reshape the way the system works for everyone. The decision was published on March 3, 2023 (docket numbers 2026051 and 2026079, file A.R. 144/2021), and in my view, it marks a meaningful step forward in balancing the relationship between citizens and the State.