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Founded in 1923, Marval, O'Farrell & Mairal is the largest law firm in Argentina. A market leader at both local and Latin American levels, the firm has been providing sophisticated, high-quality advice to international and local clients for more than 95 years. The firm comprises over 300 lawyers and has wide experience of international business issues and the complexities of cross-border transactions.

Main areas of practice

Banking, finance and capital markets: credit facilities, trade finance, leasing. Trade, vendor, project, acquisition, structured real estate finance. Debt restructurings. Preferred stock, receivables, asset purchase programs. Debt, equity securities, securitizations, derivatives, synthetic products, financial trusts, mutual funds. Regulatory matters.

Bankruptcy/restructuring: advising creditors, shareholders, debtors and trustees from financial trusts in all types of proceedings in a range of sectors.

Commercial and competition: international trade law, commercial agreements and sale, purchase and leasing agreements. Antitrust and unfair competition issues. Product liability and consumer law.

Compliance, Anti-corruption & Investigations: compliance programmes, anti-corruption due diligence in M&A transactions, internal investigations,

and cases with regulatory authorities and the courts.

Corporate/M&A: M&A, private equity transactions, due diligence audits, planning and joint ventures, shareholder agreements, restructurings and spin-offs.

Employment: restructuring, collective bargaining and government/union negotiations. Employee stock options and benefit plans. Litigation.

Energy/natural resources: project financing/development, mining M&A, exploration permits and title rights. Oil and gas exploration, production, transportation, distribution, trading and marketing. Development/operation of pipelines, gas treatment facilities and power projects.

Environment: litigation, transactional, administrative and regulatory matters and contracts. Environmental audits and assessments and evaluation of environmental liabilities and remediation programs, M&A and real estate transactions.

Insurance/reinsurance: incorporation and acquisition of insurers, drafting and adaptation of insurance plans and policies to Argentine law and registration of foreign reinsurers and reinsurance brokers. Litigation.

Intellectual property: IP protection and management, transfer of technology and license agreements, international franchising agreements and licensing and registration of software. Protection of patents, utility models and ornamental design rights, trademark matters and worldwide trademark protection.

Internet & IT: advise internet start-ups on IP, tax, corporate structure and governance, employee benefits and executive and consultant compensation packages. E-commerce and internet-related issues. IT contracts, hardware contracts, software licensing, development and maintenance agreements, and outsourcing contracts.

Litigation and arbitration: civil and commercial litigation, administrative proceedings, arbitration and ADR. Enforcement of foreign judgments and awards in Argentina. Bankruptcy and creditors' rights, including recovery of debts. International arbitration.

Public/administrative law: administrative law and regulatory matters, including litigation.

Real estate: sale, purchase and leasing agreements, structuring, financing and development.

Tax and customs: tax-efficient structures for transactions, strategic tax planning and innovative tax-driven products. Customs and dumping claims.

Telecommunications: regulatory and corporate matters, M&A and financing.


  • Partners

  • 64

  • Other fee-earners: 265
  • Total staff: 618
  • Languages
  • English
  • French
  • German
  • Spanish
  • Hebrew
  • Italian
  • Korean
  • Portuguese
  • Chinese

Above material supplied by Marval, O'Farrell & Mairal.

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