
- Tel:
- Work +54 11 434 610 00
- Fax:
- Fax +54 11 433 446 55
- Email:
- Web:
- www.eof.com.ar
Argentina
Banking and finance
Banking and finance - ranked: tier 3
Estudio O'Farrell
Estudio O'Farrell is particularly prominent in energy-related capital markets transactions, due to its strong relationship with trophy client YPF. Among its recent matters for the Argentine energy giant, it advised on the proposed cash tender offer for YPFâs outstanding 8.875% notes due 2018 â together, department co-heads Uriel OâFarrell and SebastiĂĄn Luegmayer led that work. The same team also advised John Deere Credit CompañĂa Financiera on its sixth and seventh issuance of notes, worth a combined $40m, under its MTN programme. Other representative clients include the International Swaps and Derivatives Association, Morgan Stanley and BBVA FrancĂ©s.
Competition and antitrust
Competition and antitrust - ranked: tier 3
Estudio O'Farrell
The âtimely and efficientâ team at Estudio O'Farrell leverages its record in regulatory law to specialise in antitrust issues concerning the energy, pharmaceutical, infrastructure and telecoms sectors, among other areas. Department head Agustin Siboldi, who provides âopinions clients can trustâ, recently paired up with MarĂa Agustina Fanelli Evans to defend Farmacity against allegations of anti-competitive practices regarding medicine sales.
Leading individuals

AgustĂn Siboldi - Estudio O'Farrell
Corporate and M&A
Corporate and M&A - ranked: tier 3
Estudio O'Farrell
In the ultimate accolade, clients of Estudio O'Farrell assert it is âcomprised of deal-makers, rather than deal-breakersâ. The group, which is particularly prominent in the energy, agribusiness and automotive sectors, scores highly among clients for its âcommercial approach to legal issuesâ. YPF is a key client and the firm continues to advise the Argentine energy giant on acquisitions, joint ventures and capital markets transactions, among other matters. Other highlights included advising Monsanto Argentina on the exercise of certain rights to participate in securities issued by Bioceres. âSpecialist professionalâ Uriel OâFarrell leads a department that also includes Ernesto Genco. Former department co-head Ricardo Castañeda left to join YPF.
Dispute resolution
Dispute resolution - ranked: tier 3
Estudio O'Farrell
âCollaborative and availableâ, Estudio O'Farrell sets itself apart through its âspecialist professionals in all areasâ, who âseamlessly work together to coordinate adviceâ. The diverse group is led jointly by Daniel Calatrava, who handles civil and commercial litigation, Francisco Astolfi, who is particularly active in class actions and product liability, and public law specialist Fernando GarcĂa PullĂ©s. Automotive litigation is a strong suit and Astolfi represents Ford Argentina in commercial and product liability claims.
International trade and customs
International trade and customs - ranked: tier 3
Estudio O'Farrell
Estudio O'Farrell advises a wide range of domestic and multinational clients on customs law, trade remedies and import and export issues â among other matters. Among its recent cases, department head Gustavo Enrique MĂŒller represented Ford Argentina in its defence of a customs claim. Other representative clients include Louisiana Pacific Argentina, Nokia Solutions and Networks Argentina and Pampa EnergĂa.
Labour and employment
Labour and employment - ranked: tier 4
Estudio O'Farrell
âHighly responsive and knowledgeableâ, Estudio O'Farrell âprovides an excellent level of serviceâ, according to clients. The broad practice, which is led by JosĂ© Luis Zapata, has expertise across a wide range of consultancy, litigation and collective bargaining matters, with the energy sector standing out as a key source of instructions. Representative highlights included advising YPF EnergĂa ElĂ©ctrica on collective negotiations with the Union of the Electric Industry. Senior associate Ignacio AgustĂn Castiglione is also recommended.
Next Generation Partners

Ignacio AgustĂn Castiglione - Estudio O'Farrell
Public law
Public law - ranked: tier 2
Estudio O'Farrell
âDynamic, efficient and always availableâ, Estudio O'Farrell finds favour for its âstrong commitment to client needsâ. The âdeep and broadâ group is also valued for its âexceptional partnersâ, with Jorge Muratorio (âanalytical and solution-focusedâ), Fernando GarcĂa PullĂ©s (âextensive experience and goal-orientedâ) singled out by clients; together, they lead the department alongside the âvery knowledgeableâ Agustina Fanelli Evans. Among its recent matters, the team advised Turkish Airlines in proceedings stemming from an alleged breach of the migration law. It has also recently undertaken work for Naturgy, Unipar Indupa and Vossloh.
Leading individuals

Fernando GarcĂa PullĂ©s - Estudio O'Farrell

Jorge Muratorio - Estudio O'Farrell
TMT
TMT - ranked: tier 2
Estudio O'Farrell
According to clients, Estudio O'Farrell stands out for its âunique understanding of the telecoms industryâ and for its ability to âleverage its legal and commercial knowledge to provide superior outcomesâ. Among its highlights, âbusiness-savvyâ group co-head AgustĂn Siboldi, together with âgreat deal facilitatorâ Ricardo Castañeda, advised Comunicaciones y Consumos on its competitive sales process, which involved two potential acquirers. MarĂa Agustina Fanelli Evans co-leads the department and paired up with Siboldi to represent Claro Argentina in several regulatory matters.
Leading individuals

AgustĂn Siboldi - Estudio O'Farrell
Tax
Tax - ranked: tier 2
Estudio O'Farrell
âKnowledgeable, analytical and responsiveâ, Estudio O'Farrell is distinguished by its âsolution-focused approachâ and its âdedicated professionalsâ. The group is particularly lauded for its âholistic tax offeringâ, with clients quick to highlight the âfluid coordination between the tax practice and other departmentsâ. Miguel TesĂłn, who leads the group, is a ârecognised specialistâ; he teamed up with Guillermo Lalanne (âdemonstrates a mastery of provincial taxationâ) and Valeria Estathio (âprovides innovative and practical solutionsâ) to represent DroguerĂa del Sud in administrative and judicial claims concerning the applicability of turnover tax. MarĂa Celina Valls, who âstands out for her technical strength and clarity of expressionâ, is also recommended and, alongside TesĂłn, assisted TelefĂłnica de Argentina with a $10m tax refund claim. Other key clients include Ford Argentina and Pampa EnergĂa.
Leading individuals

Miguel TesĂłn - Estudio O'Farrell
Next Generation Partners

MarĂa Celina Valls - Estudio O'Farrell

Valeria Estathio - Estudio O'Farrell
Argentina: Energy and natural resources
Electricity
Electricity - ranked: tier 1
Estudio O'Farrell
The âdefinitely top-tier teamâ at Estudio O'Farrell is commended for its ability to âstrike a balance between legal analysis and business needsâ and for its âuniquely personalised serviceâ. The practice, which works closely with the public law department, is best known for its track record in administrative law matters â both contentious and non-contentious â and commercial work. Senior partner Uriel OâFarrell (âproactive with a problem-solving approachâ) is highly sought after by energy companies for complex issues and co-leads the department together with Agustina Fanelli Evans (âsolid technical and commercial knowledgeâ) and AgustĂn Siboldi. On the regulatory front, the firm provides ongoing advice to Pampa EnergĂa and CompañĂa General de Electricidad, among others. On the transactional side, the firm advised YPF and YPF EnergĂa ElĂ©ctrica on a subscription agreement, which involved the sale of a 24.99% stake in YPF EnergĂa ElĂ©ctricaâs shares to EFS Global Energy and GE Capital Global Energy Investments.
Leading individuals
Uriel OâFarrell - Estudio O'Farrell
Oil and gas
Oil and gas - ranked: tier 3
Estudio O'Farrell
Estudio O'Farrellâs oil and gas practice, which sits within the firmâs wider public law and economic regulation department, is best known for its âdeep experience and knowledge of industry regulationâ. Indeed, as one client points out, âsome of its partners were even involved in the design of the current market regulationâ, which is a significant benefit on complex administrative law cases. Senior partner Uriel OâFarrell is a key contact for energy regulation and disputes; he acted alongside public law expert AgustĂn Siboldi to represent Pampa EnergĂa on the renegotiation of the conditions of the national incentive scheme for the production of natural gas. Axion Energy is also a key client and OâFarrell, Siboldi and Agustina Fanelli Evans advise it on day-to-day regulatory and antitrust issues.
Further information on Estudio O'Farrell
Please choose from this list to view details of what we say about Estudio O'Farrell in other jurisdictions.
Argentina
Offices in Buenos Aires