Marval O’Farrell Mairal

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Agustina Ranieri

Andrés O'Farrell

Andrés O'Farrell has become partner of Marval O'Farrell Mairal in 2021. He specializes in criminal law and litigation and has extensive experience representing both local and international clients in matters involving protection of intangible assets and trade secrets, allegations fraud and breach of fiduciary duties, tax evasion and customs violations, money laundering and financial crimes, and environmental crimes. Andrés also advises clients in connection with internal investigations and audits, providing legal support in collecting and preserving relevant evidence, conducting admission-seeking interviews and defining disclosure of findings to relevant government authorities.

Arturo Pera joined Marval O'Farrell Mairal in 2016 as Of Counsel in the Oil & Gas Group.

Barbara V. Ramperti

Bárbara Ramperti specializes in commercial and corporate law. She has advised clients in several M&A transactions, joint ventures, reorganizations and acquisitions of new business lines. She advises national and international clients in the negotiation process of agreements for the acquisition of shares and assets within different industries. Her professional practice is focused on providing advice to local companies and their foreign shareholders in corporate matters and contractual issues.

Cecilia M. Mairal

She has extensive experience and is highly active in advising banks in connection with their private banking and investment banking businesses, multinational companies and family offices in the creation of investment vehicles, cross-border bank financings, international securities’ transactions and debt restructurings. She also has niche expertise in sensitive regulatory work and complex international banking litigation cases.

Cristian D. Bittel

Cristian Daniel Bittel joined Marval O'Farrell Mairal in 2004 and became a partner in 2016. He is currently a member of the Intellectual Property department, specializing in Patents.

Daniel Di Paola

Daniel Francisco Di Paola joined Marval O'Farrell Mairal in 2000 and is currently a member of the Telecommunications, Media & Technology (TMT) department. Specialises in telecommunications and broadcasting, entertainment and corporate/M&A. He advises several key clients in the telecommunications and broadcasting industry on the complete range of matters, from sector-specific regulatory issues to general corporate matters.

Diego Fernández

Diego is a partner in the IP, IT & privacy practice group. He is a technology expert, with 16 years’ experience in a wide range of expertise which includes privacy & data protection, privacy compliance, privacy in internal investigations and at the workplace, RegTech (including Fintech, Insurtech and HealthTech), software licensing, IT agreements, IT compliance, cyber security, and criminal law in connection with technology. He regularly advises clients on IT and privacy-related matters, and also IP and IT in M&A transactions. He has extensive experience advising clients on IP matters, including litigation, giving the firm the unmatched capability of providing knowledgeable advice on IP and IT under the same person.

Diego Krischcautzky

His practice is focused on commercial, corporate and insurance law. He has broad experience in M&A transactions, structuring and financing of private equity investments; corporate governance; counseling and structuring of insurance products; advising major international companies and investment funds.

Diego A. Chighizola

Diego Chighizola joined Marval O’Farrell Mairal in 2001, and became a partner in 2012. He specializes in corporate finance, M&A, agribusiness and real estate

Diego S. Kelly specializes in advising multinational and local companies in labor and employment law. He has more than 14 years of experience in this practice area. His practice in the firm focuses on full employment advice for multinational and local corporations, especially in mergers and acquisitions, transference of employees, rightsizings, global transactions, union issues, complex compensation programs, equity award schemes and in adapting international policies and programs to local legislation.

Elias F. Bestani

Elías F. Bestani specializes in shipping and maritime law, insurance and reinsurance in addition to the resolution of complex disputes. He advises clients on ship-finance, ship-building and ship-purchase contracts and in the merchant marine and cabotage regimes. He has experience in the structuring of LNG operations and has negotiated time and bareboat charters and volume contracts. He advises clients in marine pollution matters, collisions and in the arrest of ships. Elías also advises clients in insurance—marine and non-marine— and reinsurance, including claims and regulations. He has advised clients in the setting up of insurance companies, their investment regime, portfolio transfers and in strategic distribution arrangements. He has handled complex litigation, including cases involving sovereign immunity and oil price disputes, heard by the Argentine Supreme Court. He also advises clients on cross-border litigation.

Enrique Veramendi

He provides advice on public law, economic regulation and administrative contracts to clients in the energy and public utilities’ sectors, as well as in other regulated industries (pharmaceutical companies, banks, agribusiness and insurance firms). He also has a broad experience in constitutional litigation and litigation against administrative agencies.

Enrique M. Stile

He specializes in labor and employment law. His practice in the firm focuses on full employment advice for multinational and local corporations, especially in mergers and acquisitions, transference of employees, rightsizings, union issues, compensation programs and in adapting international policies and programs to local legislation. He has also a strong background in negotiating employment conditions and termination agreements with expatriates and key employees and in multi-jurisdictional labor advice.

Facundo Viel Temperley

A member of the Litigation Department, he specializes in procedural law and in civil, commercial and products liability cases. His current practice is focused on litigation involving multinational matters and collective actions.

Fernando M. Montes de Oca

He is specialized in litigation and dispute resolution in the civil and commercial law areas. Within his area of specialization he advises banks and financial institutions, regarding financial products, both in their regulatory aspects and in credit recovery. He also advises in conflicts between motor companies and their suppliers and distributors.

Fernando M. Vaquero

Specialises in taxation issues related to M&A, financing, business restructuring, real estate projects and securitisations and has broad experience of tax litigation.

Francisco Abeal

Francisco A Macias

Francisco A. Macías specializes in oil & gas, power, public services, infrastructure, natural resources, environmental law and protection of foreign investment. His practice is mainly focused on international and local oil & gas, infrastructure and power transactions. He also advises clients on gas and power regulatory matters and a wide range of oil & gas and power contracts.

Gabriel Gotlib specializes in tax, corporate and financial law. He has broad experience in tax counseling, advising banks and local and foreign companies of different areas of practice such as real estate, retail and software. He also has experience advising on financing and international transactions and mergers and acquisitions.

Gabriel A. Fortuna

Gabriel Alejandro Fortuna joined Marval O'Farrell Mairal in 2005 and is currently a member of the Environment department, specializing in matters related to mining and oil & gas.

Gabriel G. Matarasso

His areas of specialization include corporate, commercial, finance and capital markets, both local and international. He has also advised in many M&A transactions, advising investment banks, financial entities, strategic partners and private equity funds in international transactions. He has also advised banks and companies on different types of transactions, including debt restructurings and restructuring proceedings under Central Bank supervision. He has advised foreign investors in public bids and joint ventures, and different types of public sector related transactions, including energy.

Gonzalo Santamaría

Partner since 2021, Gonzalo’s areas of expertise are Administrative and Energy Law as well as other regulatory matters. He specializes in electricity, public utilities, infrastructure and government contracts. His practice is currently focused on power transactions, advising clients in connection with several renewable, thermal and co-generation projects. Gonzalo’s electricity practice includes advising power generators, project developers, EPC and BoP contractors, turbines and panel suppliers, private off-takers and financial entities, among others.

Gonzalo J. Fontana

Gonzalo Fontana specializes in litigation and commercial and corporate law. Within this area of specialization, he advises mainly in judicial and arbitral proceedings and gives general advice in matters related to commercial law. He is also responsible of coordinating Pro Bono work.

Guillermo Burman

His area of specialization is corporate and finance law. He gives legal advice to local and foreign companies in different areas of business and corporate law and is specialized in the design, planning, and structuring of financial transactions, including M&As, project financing, and asset securitization.

Guillermo M. Osorio

He is part of the team that specializes in high profile, complex labor cases, and disputes with executives, directors and expats. During the last decade, he has defended multinational companies in a portfolio of cases worth over USD 300 million, including the most relevant individual disputes of the country, in economic terms. He also advises from a labor perspective in M&A, due diligences, complex compensation schemes for executives, hirings and terminations.

Gustavo Morales Oliver

Gustavo Morales Oliver leads the Compliance, Anti-Corruption & Investigations practice. He also has significant experience in corporate, M&A, litigation and cross-border matters.

Gustavo P. Giay

He specializes in Intellectual Property litigation. His practice has focused on trademark litigation and he has extensive experience in advising businesses and individuals in matters related to managing intellectual property portfolios, including contractual and licensing agreements. He also offers advice on Internet Law issues and assessment on legal and contractual questions in new and developing technologies.

An expert in administrative and business law, he has been involved in matters of high complexity and importance as advisor to national and international companies, dealing with company mergers, purchases and sales of banks and businesses, property development projects, formation of temporary business alliances, business contracts, loans and financing. He has advised in legal transactions in the field of hydrocarbons, including project financings, transfer of concessions, licenses and privatizations. As an administrative law specialist he has advised in numerous public bids and Government contracts, and in litigation arising from them.

Hernán Slemenson

Hernan Slemenson has participated as legal advisor in a broad range of cross-border transactions including debt offerings and restructuring, securitization, M&A, project finance, derivatives, loans and real estate transactions.

Horacio García Prieto

He is an expert on tax and customs law and has advised on all aspects of taxation in the processes of privatization, company reorganization and securities issues in which the firm has been involved. He also has considerable experience dealing with litigation matters brought before the Dirección General Impositiva, the Dirección General de Aduanas, the Tribunal Fiscal de la Nación and before the courts.

Ignacio Sánchez Echagüe

He specializes in industrial property and more particularly in patent law, having advised many national and foreign firms in this area.

Iris V. Quadrio

Iris V. Quadrio specialises in IP law, with extensive experience advising domestic and foreign clients, principally on trademark and trade dress issues, including IP rights clearance, registration and management of IP portfolios.

Iván Poli specialises in IP law and advises foreign and domestic clients on patent prosecution and enforcement. He reviews complex prosecution issues before the Argentine PTO (drafts of responses to final actions, appeals, etc.) as well as complex litigation before the Federal Courts (appeals against rejections, preliminary injunctions, enforcement, etc.).

Javier Etcheverry Boneo

Javier Etcheverry Boneo is a partner at Marval O'Farrell Mairal since 1996, having joined the firm in 1991. Specialized in business law, his practice includes M&A, corporate finance, international capital markets, and private equity acquisitions and investments, particularly in the broadcasting, internet, media and telecommunications industries. Javier took an active part in the process of consolidation of the cable television industry, working in regulatory aspects as well as in the acquisition, merger, financing and securities offerings of several companies. In addition, he currently advices controlling shareholders and owners of media companies (broadcast TV, cable TV, newspapers and radio) as well as content and satellite services companies.

Javier E. Patrón

He leads the employment litigation sector and specializes in providing legal support to international clients doing business in Argentina. He has a strong background in dealing with unions and rightsizing processes.

Jazmine Daruich

Jazmine Daruich joined Marval O’Farrell Mairal in 2008 and is currently a member of the International Trade & Customs department.

José María Llano

His practice has focused on Labor and Social Security Law and he has specialized in providing advice to different types of businesses on labor law, be it mergers and acquisitions, employee transferal, restructuring of staff or termination agreements for key employees. He has extensive experience in collective labor law and has participated actively in negotiating labor collective bargaining agreements with union bodies and in negotiating and solving collective conflicts while representing the firm’s clients.

Juan M. López Mañan

Juan M. López Mañán specialises in trademarks and domain names and has a growing market profile. With over 10 years’ experience he currently handles the Syngenta portfolio and has overseen due diligence reports for large mergers involving a significant amount of intellectual property rights. He is particularly insightful in clearance searches and manages many of the system implementations in his area of practice.

Juan M. Diehl Moreno

He is the head of the FinTech Department and partner in the firm’s Banking & Corporate Finance Department since 2006. He has broad experience in FinTech, foreign investments, M&A, banking, FX and capital controls, and capital markets law. His professional practice is focused on local and international financial and commercial transactions including bilateral and syndicated loans, debt restructuring, structuring of trusts, foreign exchange markets, IPO and public debt issues. He has also been increasingly active providing legal advice to Fintech innovators and financial institutions in developing and adopting products and services such as e-payment service platforms and apps, e-wallets, blockchain, crypto assets, lending, factoring, and digital banking.

Juan Pablo Rothschild

His area of expertise is Customs Law, Foreign Trade and Tax Law. He advises local and international companies on customs and foreign trade in cross-border transactions. His goal is to streamline tax, customs, and logistics for the most efficient outcome. He is also experienced in bringing cases against the Customs Authority, whether from an administrative standpoint or in the Federal Tax Court and ordinary courts of law.

Julio César Rivera (h)

As a partner of the Litigation & Arbitration department, he specializes in complex commercial litigation, international and domestic commercial arbitration, insolvency and constitutional law.

Leandro M. Castelli

Leandro M. Castelli joined Marval O'Farrell Mairal in 1994 and became a partner in 2002. A member of the Litigation & Arbitration department, Castelli has extensive experience in complex litigation, especially in product liability and environmental claims.

Leonardo G. Rodriguez

Leonardo G. Rodríguez is a mining specialist with more than 15 years’ experience advising key clients in the Argentine mining sector.

Luciano M. Ojea Quintana

He specializes in banking, finance, and M&A. In the banking and finance area, he has broad experience in financings and debt restructurings, project finance, (local and international) capital markets transactions, as well as in advising in banking regulatory frameworks. He also has broad experience in highly complex restructurings of banks ordered by the Central Bank. In M&A, his professional practice has been focused on international M&A transactions, foreign investments and project structuring, joint ventures, and on providing advice to corporations in finance, contractual and general commercial law. He has also advised several companies in public biddings.

He practices law in the fields of natural resources with a focus on mining. He is also an expert in project finance, complex litigation, arbitration and corporate matters.

Manuela Adrogué

María Inés Brandt

María Inés Brandt is a partner of Marval O’Farrell Mairal Tax Department with more than 20 years’ experience in tax matters. She focuses on tax advice and planning and has outstanding expertise in the tax aspects of large, challenging corporate and finance transactions, including the design, planning and organization of tax-efficient transactions. She is also an expert in complex tax litigation.

María Laura Bolatti Cristofaro

Partner since 2021, María Laura Bolatti Cristofaro focuses her practice on corporate and transactional business matters with an emphasis on the negotiation and structuring of M&A deals. She has experience providing counsel in local and cross-border M&A transactions and corporate reorganisations involving major businesses in different industries. Her area of expertise also includes advising local and international clients on contractual matters, start-ups, due diligence processes and day-to-day corporate matters.

María Laura Etcheverry

María Laura Etcheverry is a senior associate at Marval, who joined the firm 2008. Since 2010, she has been a member of the Intellectual Property Department.

María Lorena Schiariti

A specialist in Administrative Law, she has intervened in matters of high complexity and impact, providing comprehensive advice on issues related to her areas of practice. Due to the wide variety of her international clients, during the last decade she has also advised on issues related to public ethics, anti-corruption and transparency policies, with a focus on interactions with public officials, particularly within the context of government contracts and procurement processes.

María Macarena García Mirri

She specializes in corporate and commercial law; M&A, joint ventures and corporate conflicts; with broad experience in advising energy, retail, logistics, insurance brokers and insurance companies. She has led many transactions, advising both buyers and sellers in the transfer of assets and shares and the negotiation and set-up of joint ventures. She has extensive experience in advising multinational and local corporations in corporate and commercial matters. She has also been involved in numerous corporate dispute resolutions, advising listed and unlisted companies, for both majority and minority shareholders.

Martín Campbell

Martin Campbell joined Marval O'Farrell Mairal as partner in 2000. Since August 2015 he is of counsel within the firm. Martín specializes in commercial, business and labor law. He advises companies on matters in these areas of specialization, and also in matters relating to the refinancing and execution of bank loans.

Martín Bensadon

Martín Bensadon joined Marval O'Farrell Mairal in 1991 and has been a partner of the firm since 1998. He specializes in industrial property and more particularly in patent law, having advised many national and foreign firms in this area.

Martín G. Chajchir

Martin Chajchir joined Marval O'Farrell Mairal in 2002 and became a partner in 2013. He specializes in intellectual property litigation with a focus on trademarks, domain names and industrial models and designs. His areas of practice include anti-counterfeiting –in which he has a vast expertise in preliminary injunctions and attachment and seizure measures–general IP litigation, domain name recovery, and out-of-court claims. He also has extensive experience in pre-trial mediation proceedings, conducting negotiations and drafting settlement agreements.

Martín J. Mosteirin

He provides both contentious and non-contentious legal advice to leading global companies on regulatory strategies and compliance matters ranging from the client’s day-to-day business to complex cross-border transactions, start-ups, joint ventures, M&As, spin-offs, product liability, contracts, compliance training, monitoring, audits and investigations, (trial and pre-trial) administrative proceedings and litigation, and civil and commercial advice in general. His areas of expertise are the bio-pharmaceutical, healthcare, medical devices, dental products, cosmetics, toiletries and perfumes, households cleaning products, food industry, animal health and food, food contact products, and agribusiness, chemicals, among other industries.

Miguel Del Pino

His area of specialization is centered on competition and mergers and acquisitions. His professional work focuses on advising clients and representing them before the antitrust authorities on matters relating to pre-merger control, cartel investigations, anticompetitive investigation and general market investigations. He has also dealt with mergers, acquisitions and joint venture transactions, advising buyers and sellers on the transfer of shares or assets in Argentina. He has been very active in advising foreign clients on setting up businesses in Argentina and compliance with local regulations.

Pablo Garcia Morillo

Pablo García Morillo specializes in business and corporate law and his professional practice is centered on mergers, acquisitions and joint ventures. In the area of mergers and acquisitions he has been involved in many transactions, advising both buyers and sellers in the transfer of assets and shares, both listed and unlisted companies. He has also advised on joint ventures between local and foreign companies.

His practice in the firm is centered in international trade, mergers and acquisitions as well as capital markets and derivative regulations. In the antidumping field he worked in several investigations, including the investigation against Chinese footwear, one of the lengthiest and most complex investigations in the last decade, in which he successfully represented most of the major international brands and many Chinese manufacturers. He also participated in the acquisition of companies, both in transactions in which he represented the buyer and in transactions in which he represented the seller. In addition, he has advised in the structuring of start-ups. Within the financial field, he regularly advises local and international financial institutions, brokers and companies in derivative contracts, capital market regulations and complex financial transactions.

Pablo Viñals Blake

Pablo Viñals Blake leads the Private Equity, Venture Capital and Agribusiness Groups. Pablo was involved in the privatization program carried out by the Argentine government during the 1990s and has represented domestic and multinational companies, private equity and hedge funds and financial institutions in their ventures in Argentina including almost all of the largest M&A, agribusiness and project financing transactions held in Argentina in the last two decades. He has also assisted local and foreign investors in M&A, agribusiness and project financing deals in other Latin American countries, such as Chile, Uruguay and Brazil, and advised multilateral financial institutions such as the IFC and the United States Eximbank on their Argentine operations.

Pablo A. Artagaveytia

Pablo A. Artagaveytia has been a partner at Marval O’Farrell Mairal since 2000. His area of specialization is centered on commercial and corporate law. His professional work includes all areas of commercial law, advising on stock purchase agreements, distribution agreements, legal auditing, structuring of local companies, foreign business operations and general legal assistance particularly focusing on the Mercosur region. In 1998 and 1999 he seconded Marval, O’Farrell & Mairal in the Brazilian firm Demarest & Almeida.

Pablo S. Cereijido

Pablo S. Cereijido joined Marval O'Farrell Mairal in 1993 and has been a partner of the firm since 2003. A member of the Litigation Department, he specializes in insurance and reinsurance law and has actively participated in international commercial arbitrations.He advises on reinsurance matters, on matters related to different lines of insurance, on insurance and reinsurance claims, on the drafting of insurance policies and on matters related to insurance brokers, agents and non-traditional distribution channels. He has led the incorporation and merger of insurers and portfolio transfers and worked on the registration of foreign reinsurers and reinsurance brokers with the Argentine authorities. He advises on the insurance and reinsurance regulatory framework.

Patricia López Aufranc

Her practice has focused on international financial and commercial transactions, mergers and acquisitions, joint ventures, anti-dumping investigations, and a wide range of business contracts.

Ricardo A. Ostrower

Ricardo A. Ostrower has been Head of the Litigation and Arbitration Department at Marval O’Farrell Mairal since 2017, which comprises 130 lawyers. Ricardo is highly experienced in handling complex arbitration and civil and commercial litigation proceedings for premier corporate clients, including oil & gas sector claims, cross border matters, disputes between shareholders, product liability and class actions. He acts in arbitrations before the main international and domestic institutions such as ICC, ICSID and Arbitral Tribunal of the Buenos Aires Stock Exchange.

Roberto Silva Jr

He specializes in corporate, commercial and banking law. Within his area of specialization he advises on privatizations, restructurings, foreign investments, capital market transactions (national and abroad), M&As, derivatives, securitizations, trusts and exchange controls.

Rodrigo Sola Torino

Rodrigo Solá Torino’s practice focuses on advising in labor & employment matters, social security and immigration regulations. He has a strong background in the labor aspects of M&As, rightsizings, negotiations with unions as well as hiring and termination procedures involving foreign executives.

Santiago Carregal

Santiago Carregal is the Head of the Banking and Finance Department and Chairman of the firm. He specializes in corporate finance and has represented companies and investment banks in public offerings, private placements and tender and exchange offers, structured and project financings and mortgage securitization involving a variety of equity, debt and hybrid instruments. Santiago is also very active in M&As handling a number of notable transactions, and has extensive experience in restructuring and workouts.

Santiago del Rio

Santiago del Rio joined Marval O'Farrell Mairal in 2006 and is a partner of the Competition and Antitrust department. He regularly advises companies from a wide range of markets on antitrust matters in Argentina. He has extensive experience in handling complex merger control notifications, as well as providing counsel for investigations on antitrust practices, both in their administrative and judicial phases.

Santiago Soria has vast experience in complex commercial litigation, including disputes among shareholders, “class actions”, and commercial contracts. He has also actively participated in contentious issued related to administrative law matters. Currently, his professional practice also includes domestic and international arbitrations.

Sebastián M. Iribarne

Sebastián M. Iribarne specializes in banking, finance and corporate law. His practice area includes aspects related to bank financing, mergers and acquisitions, and he has also participated in various privatization processes, especially in the electricity sector.

Partner since 2021, Sergio specializes in capital markets and corporate finance. He has extensive experience in syndicated and bilateral loans and other financings, public offering of negotiable obligations and financial trusts. In recent years, he has participated in more than 20 transactions, including among others, syndicated loans granted by prestigious international and local financial institutions. He also has experience in trusts and has recently advised in the creation of several financial trusts, mainly trusts with digital assets.

Sergio M. Ellmann

Sergio Ellmann joined Marval O'Farrell Mairal in 1983 and has been a partner since 1995. He specializes in industrial property law, advising national and international companies principally on trademarks and guarantees related to industrial property, internet law and other laws connected with intellectual property.

Walter C. Keiniger

His practice involves counseling local and foreign companies in the design, planning and organization of tax efficient financial transactions, including loans, project financing, securitization of assets and derivatives. In the area of mergers and acquisitions he has been involved in many transactions, advising both buyers and sellers in the tax consequences derived from the transfer of assets and shares, and also advised on joint ventures between local and foreign companies. He also has a strong background in litigation in tax-related cases.