US-Based Litigation Law Firm in São Paulo

We Represent Brazilian Companies and Executives in U.S. Litigation

Attorney Nick OberheidenSão Paulo Companies and Executives
Litigation Team Lead

For São Paulo businesses expanding or trading with the United States, understanding the American legal system is essential. Even companies operating entirely in Brazil can find themselves subject to U.S. laws when disputes involve American investors, suppliers, or federal agencies. As global commerce grows more interconnected, jurisdictional boundaries often blur, and what begins as a routine contract issue can escalate into a federal lawsuit or investigation.

Oberheiden P.C. is a U.S. litigation law firm with a nationwide presence. We defend São Paulo companies and executives in civil, commercial, and government enforcement actions brought in American courts. Our Portuguese-speaking attorneys offer informed, strategic guidance, ensuring clients are heard and protected throughout every stage of the process. We understand Brazilian business culture and communicate clearly with both local and American stakeholders to safeguard your interests in any jurisdiction.

Defending São Paulo Companies in U.S. Civil and Commercial Litigation

Our firm has represented numerous Brazilian corporations and executives in federal district courts across the United States. We provide comprehensive defense in disputes involving:

Contract and trade litigation – Supplier, vendor, and technology-licensing disputes between U.S. and Brazilian companies, often involving issues such as payment defaults, warranty claims, or breach of distribution agreements.
Intellectual-property litigation – Trademark, copyright, and patent allegations, as well as licensing disagreements and unfair-competition claims. Our team works to protect Brazilian innovation while defending against aggressive American IP enforcement.
Antitrust litigation – Claims of price-fixing, market allocation, or unlawful competition under the Sherman and Clayton Acts. We help clients respond to private lawsuits and parallel investigations initiated by the Department of Justice or Federal Trade Commission.
Investment and securities litigation – Private rights of action under U.S. securities laws, including cases tied to American investors or digital-asset platforms. We have represented corporate officers, shareholders, and investment entities accused of violating disclosure requirements or committing fraud.
International arbitration – Representation in arbitration forums such as ICC or AAA when São Paulo and U.S. entities elect or are compelled to arbitrate disputes. Arbitration can offer privacy, predictability, and faster resolution than full U.S. litigation.

Our goal is to resolve matters efficiently while minimizing financial exposure and reputational harm.

Government Enforcement and Regulatory Defense

Federal investigations can lead to severe consequences, from civil penalties to criminal prosecution. São Paulo companies doing business in or with the United States may face scrutiny from various agencies, including the Department of Justice (DOJ), Securities and Exchange Commission (SEC), Internal Revenue Service (IRS), and Department of Homeland Security (DHS).

Our attorneys defend against allegations involving:

FCPA and anti-corruption laws, including the Foreign Corrupt Practices Act’s restrictions on overseas payments;
Import-export and customs compliance, particularly under OFAC and the Export Administration Regulations;
Tax audits and reporting issues related to cross-border income and asset disclosures; and
Immigration or employment visa matters affecting executives or transferred staff.

We coordinate with in-house counsel and Brazilian advisors to ensure a unified legal strategy that respects both U.S. and Brazilian law. Our team includes former U.S. attorneys, DOJ trial lawyers, and federal agents whose experience inside government gives our clients an invaluable advantage.

Why São Paulo Businesses Choose Oberheiden P.C.

Portuguese-speaking counsel: Communication is seamless. Our bilingual attorneys are well-versed in Brazilian business etiquette, documentation standards, and local corporate structures, ensuring that no nuance is lost when dealing with U.S. agencies or courts.
Nationwide litigation network: Our team can appear in any federal district court across the United States, from New York to California, giving Brazilian clients comprehensive coverage.
Former U.S. government officials: Our roster includes ex-DOJ trial attorneys, former U.S. attorneys, and retired federal agents who now use their institutional knowledge to defend international clients.
Comprehensive case management: We handle every aspect of a case, from early investigation and evidence review through negotiation, arbitration, or trial, minimizing disruption to your company’s operations in Brazil.
24/7 accessibility: We maintain open communication despite time-zone differences, providing São Paulo executives real-time updates and immediate strategic advice.

FAQs About U.S. Litigation for São Paulo Companies

Can an American company sue a São Paulo business in the U.S.?

Yes. If a Brazilian company maintains bank accounts, contracts, or engages in business activities that affect the United States, a U.S. court can assert jurisdiction. Even using U.S. dollars in transactions or shipping goods through American ports may be enough for a lawsuit to proceed. Our firm can challenge jurisdiction or, when appropriate, defend the matter on the merits. We assess the strength of the claim, potential exposure, and available procedural defenses to determine the most cost-effective course of action.

Do Brazilian executives risk personal liability in the U.S.?

Potentially. If an executive is alleged to have personally approved or participated in conduct that affects U.S. commerce, they can be named individually. American plaintiffs often attempt to pierce the corporate veil to hold officers or directors liable. Early legal intervention is key. Our lawyers work to shield executives from personal exposure, arguing jurisdictional limitations, lack of intent, or corporate-form protections recognized under U.S. law.

Can Oberheiden P.C. handle simultaneous proceedings in Brazil and the U.S.?

Yes. Many of our São Paulo clients face parallel claims or investigations in both countries. We coordinate directly with Brazilian counsel to maintain consistent defense strategies, align discovery responses, and address legal conflicts. Our experience managing multi-jurisdictional matters allows clients to streamline communication and avoid contradictory filings. Whether it’s a regulatory audit in Brazil or a civil lawsuit in the U.S., our team ensures both legal systems are managed in tandem.

Is litigation the only option for resolving a dispute?

Not necessarily. Many cross-border matters can be settled through negotiation, arbitration, or mediation. Our attorneys evaluate every case for early-resolution opportunities, aiming to conserve time and resources while protecting your reputation. When settlement is not possible, we are fully prepared to defend your company in trial or arbitration, presenting persuasive, evidence-based arguments backed by extensive U.S. litigation experience.

What happens if a São Paulo company ignores a U.S. lawsuit?

Failing to respond can result in a default judgment, meaning the U.S. court may automatically rule in favor of the plaintiff. Such judgments can later be enforced against assets or accounts linked to the United States. We strongly advise Brazilian companies to engage legal counsel immediately upon notice of any U.S. lawsuit. Our team can appear on short notice, preserve procedural rights, and often negotiate extensions or dismissals before damages accrue.

How can São Paulo executives minimize exposure to U.S. litigation and enforcement?

Prevention begins with proactive compliance. Before entering into contracts with U.S. partners, our lawyers review the terms for jurisdiction, governing law clauses, and dispute resolution procedures. We also help clients establish anti-bribery, data protection, and export control policies aligned with U.S. expectations. Regular internal audits, proper documentation, and training for key executives reduce the likelihood of triggering federal scrutiny. By addressing these issues early, companies operating between Brazil and the U.S. can protect their leadership and reputation from unnecessary risk.

Contact a US-Based Litigation Law Firm in São Paulo Today

As cross-border activity in Latin America continues to expand, many Brazilian clients rely on a US-based litigation law firm in São Paulo for guidance on U.S. disputes that intersect with Brazilian business, Brazilian law, and international regulatory expectations. We assist Brazilian companies, Brazilian issuers, and international clients operating across the region, including Rio de Janeiro, Miami, New York, and other major markets. We advise on matters involving capital markets, capital markets offerings, international financing, project finance, fund formation, restructuring transactions, cross-border mergers, and mergers and acquisitions. Our lawyers understand the structures used by organizations with a Brazilian subsidiary, such as StoneCo Ltd, and we provide strategic advice on complex transactions, corporate governance, and commercial issues involving assets, investments, and business interests.

Our firm assists clients involved in a broad range of U.S. litigation, cross-border disputes, and investigations, including matters tied to banking, energy company operations, construction, private equity, and other major industries. We also represent clients in international arbitration, advising on procedural issues and helping address disputes that involve more than one country or regulatory system. Because multinational businesses often rely on a global footprint, our lawyers, many of whom are fluent in Portuguese, support clients with matters that involve the United States, Europe, Asia, and local markets throughout Brazil. Our attorneys provide guidance to companies navigating U.S. law, focusing on the connection points that arise in cross-border deals, compliance reviews, corporate matters, and other practices where international operations intersect. By coordinating closely with in-house departments and local advisors, we help businesses manage disputes and protect their operational priorities while addressing the requirements of U.S. courts and agencies.

Whether your São Paulo company faces a contract dispute, federal investigation, or enforcement action in the United States, our attorneys can help. We combine U.S. federal experience with a deep understanding of Brazilian business realities. Call 888-680-1754 or contact us online to request a free, confidential consultation with Dr. Nick Oberheiden or another senior member of our litigation team.