How to Choose an International Arbitration Lawyer in Brazil (2026): 10 Questions to Ask Before You Hire

Choosing an international arbitration lawyer in Brazil is one of the most consequential decisions a company, in-house counsel or private party will make before a cross-border dispute escalates. In 2026, evolving institutional rule interpretations and Brazilian case law around interim measures and enforcement have raised the stakes on that choice, the right counsel can shorten timelines, protect assets and preserve enforceability, while the wrong appointment can compromise your position from the first filing. This guide gives you a practical, decision-focused framework: a numbered ten-question checklist, sample interview prompts, a local-versus-foreign counsel comparison, fee guidance and an FAQ. Read it and you will be equipped to shortlist, interview and instruct counsel with confidence.

This guide is written from a practitioner and academic perspective grounded in decades of cross-border arbitration practice, combining institutional and teaching experience. Where practical observations appear in the first person, they reflect that experience.

Why choosing the right international arbitration lawyer in Brazil matters in 2026

Brazil sits at the centre of substantial cross-border commercial activity, from energy and infrastructure to commodities, construction and technology. Disputes arising from these sectors frequently involve foreign parties, foreign-seated arbitrations and eventual enforcement in Brazilian courts. The legal architecture is mature: arbitration is governed by Law No. 9,307 of 23 September 1996 (the Brazilian Arbitration Act, as amended by Law No. 13,129 of 2015), and Brazil is a party to the New York Convention of 1958 on the Recognition and Enforcement of Foreign Arbitral Awards. Yet a strong legal framework does not, on its own, deliver a favourable outcome, counsel does.

What has changed heading into 2026 is not the statute but its application. Courts and tribunals continue to refine how they treat jurisdictional challenges, interim relief and the interface between arbitration and litigation. Selecting an international arbitration lawyer in Brazil who understands these procedural currents, and who can anticipate how a Brazilian court will react at the enforcement stage, is central to risk management. The remainder of this guide translates that reality into concrete, question-led steps you can apply immediately.

Quick checklist: 10 questions to ask before you hire

Use these ten questions as your core screening tool. For each, we set out what to ask, what a strong answer looks like, and the red flags that should give you pause. Treat vague or evasive responses as data.

1. What is your direct experience with disputes like mine?

Ask candidates to describe two or three matters comparable to yours in sector, value and applicable rules. A strong answer names the industry, the arbitral institution, the party roles and the outcome trajectory without breaching confidentiality. Red flag: generalities, or an inability to point to any recent arbitration work. Sample prompt: “Walk me through a recent arbitration you led that resembles this dispute, and what you would do differently.”

2. Which arbitral institutions and rules do you know best?

Different institutions carry different procedural cultures. Confirm familiarity with the rules likely to govern your case and with the seat, whether an international body such as the ICC or a leading Brazilian chamber. A good answer explains why certain rules suit your objectives. Red flag: a lawyer who treats all institutions as interchangeable. Sample prompt: “How would the choice of institution and seat affect strategy in my matter?”

3. How will you handle interim and emergency relief?

In 2026, tactical use of interim measures, asset preservation, injunctions, security for costs, often determines leverage. Strong counsel explains the interplay between tribunal-ordered measures and applications to Brazilian courts. Red flag: no clear position on emergency arbitrator procedures or court-backed relief. Sample prompt: “If we need urgent relief before the tribunal is constituted, what is your plan?”

4. What is your enforcement track record in Brazil?

An award is only as valuable as your ability to enforce it. Ask specifically about recognition and enforcement proceedings, including experience with the grounds for challenge under the Brazilian Arbitration Act and the New York Convention. Note that recognition of foreign awards in Brazil is a matter for the Superior Court of Justice (STJ). Red flag: counsel who treats enforcement as an afterthought. Sample prompt: “How do you structure a case from day one to protect enforceability in Brazil?”

5. Who will actually do the work?

Partners win pitches; associates often run cases. Insist on knowing the team composition, seniority and time allocation. A strong answer names the lead advocate, the day-to-day contact and the escalation path. Red flag: a senior name at the pitch who then disappears. Sample prompt: “Who is my primary contact, and how much of the substantive work will they personally handle?”

6. What languages and dual-qualification does the team hold?

International arbitrations frequently proceed in English while the enforcement forum operates in Portuguese. Verify working languages and, where relevant, cross-border qualifications. Red flag: reliance on translation for critical drafting. Sample prompt: “Which team members can draft and advocate in the language of the arbitration and in Portuguese?”

7. How do you approach case strategy and budgeting together?

Strategy and cost are inseparable. Strong counsel offers a phased plan tied to a realistic budget with defined decision points. Red flag: an ambitious strategy with no cost mapping. Sample prompt: “Give me a phase-by-phase plan with an estimated budget range for each stage.”

8. How will you coordinate with local or foreign co-counsel?

Most Brazil-connected arbitrations require a dual-team model. Ask how the candidate divides responsibilities, avoids duplication and manages hand-offs. Red flag: no experience running a coordinated multi-jurisdictional team. Sample prompt: “Describe how you would structure roles between lead counsel and Brazilian court-facing counsel.”

9. Are there any conflicts or funding disclosures I should know about?

Ask directly about conflicts, imputed conflicts and any third-party funding relationships that could affect the mandate. Strong counsel raises these proactively. Red flag: reluctance to run a formal conflicts check. Sample prompt: “What conflicts checks have you already run, and are there any disclosures I should be aware of?”

10. Can you provide references from comparable clients?

Verifiable references are the surest test. Ask for referees who instructed the lawyer on similar disputes. Red flag: unwillingness to provide any references. Sample prompt: “May I speak with a client who instructed you on a comparable arbitration?”

Where to find and shortlist international arbitration lawyers in Brazil

Finding the best international arbitration lawyers in Brazil is a research exercise, not a single search. Combine several sources and cross-verify before you shortlist.

Directories and rankings

Practitioner directories and market guides can surface names and confirm reputation, and they are useful for building an initial longlist. Their limitation is that a ranking tells you a lawyer is respected, not whether they are right for your specific dispute, seat and budget. Use them as a starting filter, then verify independently.

Institutional rosters

Arbitral institutions maintain rosters and lists of appointed neutrals and practitioners. Reviewing who appears on institutional panels, and in what capacity, helps confirm genuine arbitration engagement. Where an institution publishes membership or appointment information, treat it as corroborating evidence of active practice rather than as an endorsement of fit.

Academic and bar sources

Academic affiliations and bar records add a further layer of validation. In Brazil, the Ordem dos Advogados do Brasil (OAB) is the authoritative body for confirming that a lawyer is admitted and in good standing. Referrals from trusted in-house peers remain among the most reliable signals, but always pair a referral with independent verification of credentials and disciplinary history.

Qualifications and experience to verify

Once you have a shortlist, verify substance. Reputation opens the door; documented experience keeps a candidate on the list.

Technical qualifications

Confirm bar admission and OAB registration, arbitration-specific training and appointments, and any institutional panel listings. Where the seat or governing law is foreign, dual qualification or demonstrable comparative-law fluency matters. Ask for a short CV that evidences arbitration expertise in Brazil rather than a general litigation background.

Track record

Look for a pattern of complex matters across relevant industries and rule sets. A useful sample CV checklist includes: institutions the lawyer has appeared before, seats, sectors, party roles, and any published or reported outcomes. Depth in your sector, energy, construction, commodities, technology, is more valuable than a long but generic list.

Procedural skills: interim measures, enforcement and the court interface

The differentiator among experienced counsel is procedural sophistication. Verify hands-on experience with interim measures, with recognition and enforcement of awards, and with the litigation interface where arbitration and court proceedings meet. The Brazilian Arbitration Act sets out the courts’ role at these junctures, and jurisprudence from the Superior Court of Justice (STJ) shapes how those provisions apply in practice. Counsel should be able to speak fluently to both.

Local vs foreign counsel: roles, timing and coordination

For most Brazil-connected disputes the question is not local or foreign counsel, but how to combine them. Local counsel in Brazil is essential for court-facing tasks and enforcement; foreign counsel may lead strategy where the seat is abroad. The table below maps typical responsibilities.

When to instruct local counsel

Instruct Brazilian counsel early where any of the following are likely: urgent interim relief before Brazilian courts, asset preservation, evidence located in Brazil, or eventual enforcement of an award against Brazilian assets. Waiting until enforcement to bring local counsel on board sacrifices the strategic groundwork that makes enforcement smoother.

How to coordinate multi-jurisdictional teams

Effective coordination is a project-management task. Designate a lead counsel, agree a written division of responsibilities, and set escalation and reporting rules at the outset. A short lead-counsel agreement that clarifies who owns strategy, who owns court applications and how costs are allocated prevents duplication and disputes later.

Fees, budgets and fee models for an international arbitration lawyer in Brazil (2026)

Cost is a legitimate selection criterion, and transparency separates good engagements from painful ones. There is no single market rate; fees for an international arbitration lawyer in Brazil vary by seniority, firm size and case complexity. Focus on structure and predictability rather than a headline number.

Typical fee models

• Hourly. Standard for unpredictable, document-heavy phases; require detailed billing.
• Blended rates. A single rate across the team, simplifying budgeting.
• Fee caps. Ceilings for defined phases, allocating overrun risk to counsel.
• Retainers. Monthly or phase-based fixed payments for ongoing work.
• Success or contingency elements. Available in some arrangements, subject to the applicable professional conduct rules of the OAB; confirm permissibility and structure.

Estimating cost with appropriate caveats

Rather than quoting figures that quickly date, ask each candidate for a phased budget with ranges tied to milestones, pleadings, document production, hearing, and enforcement. A credible estimate acknowledges variables (number of witnesses, expert evidence, jurisdictional challenges) and updates as the case develops. Be wary of any quote that promises certainty a complex arbitration cannot deliver.

Fee transparency checklist

• Confirm the fee model in writing before instruction.
• Require phase-based budget estimates with defined assumptions.
• Agree billing frequency, format and level of narrative detail.
• Set thresholds that trigger a budget review and client approval.
• Clarify how disbursements, expert fees and institutional costs are handled.

A simple engagement clause can capture this: “Counsel shall provide a phase-based budget estimate and shall notify the client in writing before fees in any phase are likely to exceed the estimate by more than an agreed percentage.” Professional conduct and fee rules are governed by the OAB and its Code of Ethics and Discipline, and any arrangement should comply with them.

Due diligence, conflicts, ethics and OAB considerations

Due diligence protects both the mandate and the eventual award. Do not skip it because a candidate came recommended.

Conflicts and OAB checks

Run a formal conflicts check before instruction and confirm the candidate’s OAB registration and disciplinary standing through the Ordem dos Advogados do Brasil. Request the lawyer’s OAB number and, where appropriate, documentary confirmation of good standing. A clean, verifiable record is a baseline requirement, not a bonus.

Ethical issues

Address third-party funding disclosure, confidentiality obligations and the risk of imputed conflicts within a firm. Strong counsel raises these proactively and documents how they will be managed. In cross-border matters, disclosure expectations may arise from both the arbitral institution’s rules and applicable professional conduct standards.

Interview guide: practical questions to ask shortlisted counsel

Structure your interviews so candidates are compared on the same dimensions. Score each dimension from 1 (weak) to 5 (excellent) and compare totals alongside your qualitative impressions.

• Case management. How will you plan phases and manage deadlines? How do you handle document production efficiently?
• Strategy. What is your theory of the case? How do you approach jurisdictional challenges?
• Costs. What fee model do you recommend and why? What are the main cost risks?
• Team composition. Who does the work, and how is seniority allocated across phases?
• Local logistics. How will you coordinate court-facing steps in Brazil?
• Enforcement strategy. How will you protect enforceability from the outset, and what challenges do you anticipate?

Rate each candidate on these six dimensions. Consistent low scores on enforcement or costs should weigh heavily; those two areas are where mandates most often go wrong.

Making the decision and drafting the engagement letter

Once you have chosen, capture the relationship precisely in an engagement letter. Ambiguity at the start becomes conflict later.

Key engagement provisions

• Scope. Define exactly which phases and tasks are covered, and what is excluded.
• Fee model. State rates, caps, retainers and the mechanism for budget updates.
• Team. Name the lead and confirm how substitutions are handled.
• Billing milestones. Tie invoicing to defined phases and reporting.
• Confidentiality. Set obligations consistent with the arbitration and applicable rules.
• Termination. Specify notice, hand-over and fees on termination.
• Dispute resolution. Agree how any disagreement over the engagement itself is resolved.

Quick wins: what to do in the first 30 days after engagement

The opening weeks set the trajectory of a case. Prioritise the steps that are hardest to remedy later.

• Days 1–30. Preserve evidence and documents; confirm the arbitration agreement and applicable rules; assess the need for urgent interim or emergency relief; align lead and local counsel roles in writing.
• Days 30–60. Develop the case theory and phased budget; map witnesses and potential experts; begin enforcement planning in parallel with strategy.
• Days 60–90. Finalise pleadings strategy; confirm coordination protocols across jurisdictions; stress-test the enforcement pathway against likely challenges.

Conclusion: hire an international arbitration lawyer in Brazil with confidence

Selecting an international arbitration lawyer in Brazil in 2026 is a structured decision, not a leap of faith. Work through the ten questions, verify credentials against OAB records and institutional rosters, decide early how local and foreign counsel will combine, and insist on fee transparency and a clear engagement letter. Because the value of any award ultimately turns on enforceability under the Brazilian Arbitration Act and the New York Convention, choose counsel who plan for enforcement from day one. Applied consistently, this framework will help you appoint counsel who protect your position from the first filing to final recovery. To build a vetted shortlist, contact Global Law Experts and use our International Arbitration, Brazil resources.

This guide is for general information only and does not constitute legal advice. Seek qualified counsel for advice on any specific matter.

Sources

1. Law No. 9,307, 23 September 1996 (Brazilian Arbitration Act), Presidency of the Republic (Planalto)
2. Law No. 13,129, 26 May 2015 (amending the Brazilian Arbitration Act), Presidency of the Republic (Planalto)
3. Convention on the Recognition and Enforcement of Foreign Arbitral Awards (New York, 1958), United Nations Treaty Collection
4. UNCITRAL Model Law on International Commercial Arbitration (1985, as amended in 2006)
5. Ordem dos Advogados do Brasil (OAB), official site
6. Superior Court of Justice (STJ), Portal