Duthoy & Marroquín
Attorneys at Law
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Monterrey, Mexico
Corporate
Dispute Resolution

Counsel for
what matters
Most

A Monterrey-based law firm focused on sophisticated corporate matters, strategic transactions, regulatory affairs and high-stakes litigation.

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25+Years of Experience
2Practice Groups
10Practice Areas
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Duthoy & Marroquín
About the Firm

A firm built on Precision,
strategy & results

We are a Monterrey-based law firm focused on corporate matters, business transactions, regulatory affairs and high-stakes litigation.

The firm advises domestic and international clients across a broad range of industries in corporate, regulatory and litigation matters. Our practice combines transactional and contentious expertise to deliver practical, strategic and commercially driven legal solutions tailored to complex business and regulatory environments.

With more than 25 years of combined experience, our attorneys represent clients in corporate transactions, regulatory proceedings and complex disputes involving commercial, administrative, constitutional and tax matters.

We combine technical precision, strategic advocacy and business-oriented judgment to help clients navigate challenging legal and commercial scenarios with efficiency, sophistication and a results-driven approach.

Precision
Technical rigor in every legal analysis and document we produce.
Strategy
Business-oriented judgment aligned with each client's objectives.
Integrity
Honest, transparent and committed to our clients' best interests.
Confidentiality
Absolute discretion in every matter we handle.
Our People

The attorneys behind
every Result

Driven, business-minded lawyers committed to our clients' goals — combining hands-on experience with practical, results-focused counsel. Click on any attorney to view their full profile.

Partners
Alain Duthoy
Alain Duthoy
Corporate, regulatory and energy law. Harvard Law School (M&A Program) · LLM Business Law, UDEM · UANL
Corporate M&A Energy Business Law Antitrust
View Biography
Christopher Marroquín
Christopher Marroquín
Litigation, administrative law and dispute resolution. Master's in Constitutional Procedural Law · UANL
Litigation Administrative Law Constitutional Tax Disputes
View Biography
What We Do

Practice Areas

Strategic legal counsel across corporate, regulatory and dispute resolution matters — driven by our clients' goals. Our team brings hands-on, business-minded experience to complex transactions, day-to-day operations and high-stakes controversies, with a practical approach focused on results.

Business Law
01
Strategic Financing & Growth
Capital raising, debt and equity structuring and long-range planning to fund expansion and growth.
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02
Mergers & Acquisitions
Due diligence, deal structuring and regulatory clearances for acquisitions, divestitures and joint ventures.
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03
Regulatory & Energy Matters
Compliance, permitting and proceedings before regulatory bodies for clients in energy, infrastructure and other regulated industries.
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04
Corporate & Commercial Matters
Entity formation, corporate governance and commercial contracts — the legal groundwork for running and protecting your business.
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05
Competition, IP & Asset Protection
Antitrust and competition matters, intellectual property and preventive tax reviews — protecting your assets, brands and market position while reducing your tax burden.
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Consultancy & Dispute Resolution
01
Administrative Law
Consultancy and representation in administrative matters — from regulatory compliance and dealings with authorities to challenging government decisions before administrative courts and bodies.
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02
Civil & Commercial Law
Consultancy and representation in civil and commercial matters — advising on contracts and business risk, and litigating disputes, breach claims and business torts before federal and local courts.
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03
Tax Law
Consultancy and representation in tax matters — preventive advice, and strategic defense in audits, assessments and appeals before tax authorities and administrative courts.
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04
Constitutional Law
Consultancy and representation in constitutional matters — amparo proceedings and constitutional challenges to protect fundamental rights against governmental action.
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05
Electoral Law
Consultancy and representation in electoral matters — from campaign compliance and the exercise of political rights to election challenges and sanctioning proceedings.
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Stay Informed

Legal News

Timely analysis of judicial rulings, regulatory developments and legislative reforms shaping the legal and business landscape in Mexico — curated by our attorneys for clients and decision-makers.

Regulatory & Energy October 2025

New Hydrocarbons Sector Regulation Reshapes Compliance for Fuel Marketers

A new regulation under the Hydrocarbons Sector Law introduces detailed operational, due-diligence and reporting requirements for holders of fuel marketing permits — with a key filing deadline in January 2026.

Read More
Duthoy & Marroquín
"We combine technical precision, strategic advocacy and
business-oriented judgment to help clients navigate
challenging legal and commercial scenarios."
Duthoy & Marroquín — Monterrey, Mexico
Contact Us

Schedule a confidential
consultation

For further information regarding our practice and services, please contact our team. We respond to all inquiries within one business day.

✉️
Alain Duthoy
adf@d-m.legal
✉️
Christopher Marroquín
cmm@d-m.legal

All information provided will be treated with absolute confidentiality.

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