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TORRE FORTABAT, BOUCHARD 680 PISO 19, C1106ABJ, ARGENTINA
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www.mhrlegal.com

Argentina

Banking and finance
Banking and finance - ranked: tier 3

Martínez de Hoz & Rueda

The practice at Martínez de Hoz & Rueda handles an array of corporate finance, acquisition finance and trade finance matters, with sources particularly lauding its ‘first-rate project finance expertise’. Senior lawyers are noted for their ‘deep industry experience’, with group co-head José Martínez de Hoz (n) highlighted as ‘very strong and capable’; he acted alongside the energy department to advise JinkoSolar, as sponsor, and its SPV, as borrower, on a $105m project financing for the construction, operation and maintenance of two solar power plants. On the lender side, department co-lead Martín Lepiane paired up with project finance specialist Jimena Vega Olmos to advise the lenders on the local aspects of a €319m facility to the Republic of Argentina to finance the purchase of four offshore patrol vessels.

Next Generation Partners

José Martínez de Hoz (n) - Martínez de Hoz & Rueda

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Competition and antitrust
Competition and antitrust - ranked: tier 4

Martínez de Hoz & Rueda

At Martínez de Hoz & Rueda, department head Juan Cruz Azzarri has a solid record in advising electricity and oil and gas companies on antitrust matters. In a recent example, he advised ExxonMobil Exploration Argentina on the merger notification aspects of its acquisition of a 21% stake in Oldelval. Other representative clients include Delta Patagonia and Trafigura Group.

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Corporate and M&A
Corporate and M&A - ranked: tier 3

Martínez de Hoz & Rueda

Martínez de Hoz & Rueda’s ‘knowledgeable and responsive’ practice is distinguished by its ‘unique partner-led service’. The firm excels in energy and natural resources deals, with founding partner José Martínez de Hoz commended as a ‘nationally recognised expert in energy matters’. Martínez de Hoz co-heads the M&A department alongside the ‘highly commercial, proactive and detail-oriented’ Fernando Zoppi; together, they advised Trafigura on the acquisition of Pampa Energía’s downstream business. In a highlight outside of the energy sphere, Zoppi assisted Sun Dreams with its acquisition of Nuevo Plaza Hotel Mendoza, owner of the Park Hyatt Hotel and Regency Casino in the city of Mendoza. The group has also recently undertaken work for ExxonMobil, Gramercy Funds Management and Pan American Energy.

Next Generation Partners

Fernando Zoppi - Martínez de Hoz & Rueda

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Dispute resolution
Dispute resolution - ranked: tier 2

Martínez de Hoz & Rueda

Responsive, analytical and solution-focused’, Martínez de Hoz & Rueda has made significant inroads into the market since its establishment in 2018. The group continues to be best known as a ‘strong performer in energy arbitration’, largely due to the reputation of ‘market leader’ José Martínez de Hoz, who is highlighted as ‘diligent, reliable and responsive’ — he also handles construction, financial services and M&A-related cases, among other areas. Among his recent highlights, Martínez de Hoz continued to defend Chevron Corporation against efforts to enforce in Argentina the high-profile Lago Agrio judgment, issued in Ecuador. He also represented two ExxonMobil affiliates in a $230m ICSID arbitration. Francisco Amallo, noted for his ‘dedication and clarity’, is also a key contact and represented YPF in complex litigation initiated by Transportadora de Gas del Norte stemming from a gas transportation agreement. Other representative clients include the International Basketball Federation, TGLT and Wintershall Energía.

Leading individuals

José Martínez de Hoz - Martínez de Hoz & Rueda

Next Generation Partners

Francisco Amallo - Martínez de Hoz & Rueda

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Public law
Public law - ranked: tier 3

Martínez de Hoz & Rueda

Martínez de Hoz & Rueda impresses with its strong skill set in energy-related matters, where it combines its signature project finance prowess with significant administrative law capability to specialise in bid tenders and complex regulatory litigation. Among its recent matters, Juan Cruz Azzarri advised several clients (including YPF and Wintershall Energía) in actions seeking to declare the unconstitutionality of a special charge, imposed by an executive decree, on natural gas tariffs. Jimena Vega Olmos, who co-heads the department alongside Azzarri, is also a key contact.

Next Generation Partners

Jimena Vega Olmos - Martínez de Hoz & Rueda

Juan Cruz Azzarri - Martínez de Hoz & Rueda

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TMT
TMT - ranked: tier 4

Martínez de Hoz & Rueda

Martínez de Hoz & Rueda’s ‘very business-oriented team’ strikes the right note with its ‘strong commitment to finding commercial solutions to problems’. Recent work includes practice head Francisco Amallo, together with key partner Fernando Zoppi, advising e-commerce giant MercadoLibre on contractual matters. Other representative clients include Imagine Communications, Western Union and ZTE.

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Argentina: Energy and natural resources

Electricity
Electricity - ranked: tier 2

Martínez de Hoz & Rueda

Martínez de Hoz & Rueda’s power practice, which is highlighted by peers as ‘very strong and growing quickly’, is distinguished by its ‘specialist project finance expertise’ as well as by its ‘deep experience in complex administrative law matters’. On the project finance front, department co-head Juan Cruz Azzarri advised Parque Eólico Arauco SAPEM on the development of three wind farm projects. In addition, Pablo Rueda assisted JinkoSolar Holding with the development and $100m project financing of a solar farm project. Jimena Vega Olmos co-leads a practice that also counts Orazul Energy, IDB Invest and Goldwind among its key clients.

Leading individuals

Pablo Rueda - Martínez de Hoz & Rueda

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Oil and gas
Oil and gas - ranked: tier 1

Martínez de Hoz & Rueda

The ‘highly commercial and pragmatic’ Martínez de Hoz & Rueda’s signature oil and gas offering ranks ‘among the best in Argentina’, according to satisfied clients. Particular praise is reserved for its ‘excellent combination of legal skills with a problem-solving approach’ and one client asserts that ‘it stands as a reference point on how to resolve complex industry issues’. The department’s impeccable balance is another recurring theme and it attracts wide acclaim for its broad sector expertise across the full spread of regulatory, transactional and contentious, particularly arbitral, matters. José Martínez de Hoz, who pairs regulatory with transactional prowess, is ‘one of the best oil and gas specialists in Argentina’ and recently advised Trafigura on its acquisition of the downstream business of Pampa Energía. He also teamed up with Tomás Lanardonne (‘a top expert in oil and gas regulation and contracts’), Juan Cruz Azzarri and the M&A practice to advise ExxonMobil Exploration Argentina on the acquisition of a 21% stake in midstream company Oldelval from Pampa Energía. Other names to note include senior partner Pablo Rueda, who is an ‘excellent counsel’ and co-leads the department alongside Martínez de Hoz, and talented associate Marcos Blanco.

Leading individuals

José Martínez de Hoz - Martínez de Hoz & Rueda

Next Generation Partners

Tomás Lanardonne - Martínez de Hoz & Rueda

Rising stars

Marcos Blanco - Martínez de Hoz & Rueda

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Latin America: International firms

Local practitioners of note (by country)

Bomchil's María Inés Corrá focuses on energy and regulatory cases; the team lost Guido Tawil who is now an arbitrator. Rivera & Asociados' managing partner Julio César Rivera is widely recognised as the 'best arbitrator in Argentina', and is 'very reliable on complex civil law issues both as counsel and arbitrator'. At Bruchou, Fernández Madero & LombardiCarlos M. Rotman represented Pan American Energy Group in  ICC arbitration proceedings relating to the breach of contract against Transportadora de Gas del Sur; Ignacio J. Minorini Lima is also highly recommended. Ricardo A Ostrower and Héctor Mairal are names to note at Marval, O'Farrell & Mairal; the latter counts Petrobras, Total Austral, GE and Assurant Argentina Compañía de Seguros as his key clients. At Estudio Alegría, Buey Fernández, Fissore y Montemerlo, founding partner Héctor Alegría is recommended for acting as counsel in international arbitration proceedings as well as sitting as an arbitrator in commercial disputes. At Abeledo Gottheil Abogados, Luis Erize and Hernán Martín Oriolo are particularly well known for energy cases. José Martínez de Hoz at Martínez de Hoz & Rueda is 'rock solid in commercial and investor-state arbitration' and is particularly experienced in energy-related cases; he recently represented YPF in a $1.6bn ICC arbitration initiated by a consortium of natural gas operators.

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Argentina

Banking and finance
Banking and finance - ranked: tier 3

Martínez de Hoz & Rueda

The practice at Martínez de Hoz & Rueda handles an array of corporate finance, acquisition finance and trade finance matters, with sources particularly lauding its ‘first-rate project finance expertise’. Senior lawyers are noted for their ‘deep industry experience’, with group co-head José Martínez de Hoz (n) highlighted as ‘very strong and capable’; he acted alongside the energy department to advise JinkoSolar, as sponsor, and its SPV, as borrower, on a $105m project financing for the construction, operation and maintenance of two solar power plants. On the lender side, department co-lead Martín Lepiane paired up with project finance specialist Jimena Vega Olmos to advise the lenders on the local aspects of a €319m facility to the Republic of Argentina to finance the purchase of four offshore patrol vessels.

Next Generation Partners

José Martínez de Hoz (n) - Martínez de Hoz & Rueda

[back to top]

Competition and antitrust
Competition and antitrust - ranked: tier 4

Martínez de Hoz & Rueda

At Martínez de Hoz & Rueda, department head Juan Cruz Azzarri has a solid record in advising electricity and oil and gas companies on antitrust matters. In a recent example, he advised ExxonMobil Exploration Argentina on the merger notification aspects of its acquisition of a 21% stake in Oldelval. Other representative clients include Delta Patagonia and Trafigura Group.

[back to top]

Corporate and M&A
Corporate and M&A - ranked: tier 3

Martínez de Hoz & Rueda

Martínez de Hoz & Rueda’s ‘knowledgeable and responsive’ practice is distinguished by its ‘unique partner-led service’. The firm excels in energy and natural resources deals, with founding partner José Martínez de Hoz commended as a ‘nationally recognised expert in energy matters’. Martínez de Hoz co-heads the M&A department alongside the ‘highly commercial, proactive and detail-oriented’ Fernando Zoppi; together, they advised Trafigura on the acquisition of Pampa Energía’s downstream business. In a highlight outside of the energy sphere, Zoppi assisted Sun Dreams with its acquisition of Nuevo Plaza Hotel Mendoza, owner of the Park Hyatt Hotel and Regency Casino in the city of Mendoza. The group has also recently undertaken work for ExxonMobil, Gramercy Funds Management and Pan American Energy.

Next Generation Partners

Fernando Zoppi - Martínez de Hoz & Rueda

[back to top]

Dispute resolution
Dispute resolution - ranked: tier 2

Martínez de Hoz & Rueda

Responsive, analytical and solution-focused’, Martínez de Hoz & Rueda has made significant inroads into the market since its establishment in 2018. The group continues to be best known as a ‘strong performer in energy arbitration’, largely due to the reputation of ‘market leader’ José Martínez de Hoz, who is highlighted as ‘diligent, reliable and responsive’ — he also handles construction, financial services and M&A-related cases, among other areas. Among his recent highlights, Martínez de Hoz continued to defend Chevron Corporation against efforts to enforce in Argentina the high-profile Lago Agrio judgment, issued in Ecuador. He also represented two ExxonMobil affiliates in a $230m ICSID arbitration. Francisco Amallo, noted for his ‘dedication and clarity’, is also a key contact and represented YPF in complex litigation initiated by Transportadora de Gas del Norte stemming from a gas transportation agreement. Other representative clients include the International Basketball Federation, TGLT and Wintershall Energía.

Leading individuals

José Martínez de Hoz - Martínez de Hoz & Rueda

Next Generation Partners

Francisco Amallo - Martínez de Hoz & Rueda

[back to top]

Public law
Public law - ranked: tier 3

Martínez de Hoz & Rueda

Martínez de Hoz & Rueda impresses with its strong skill set in energy-related matters, where it combines its signature project finance prowess with significant administrative law capability to specialise in bid tenders and complex regulatory litigation. Among its recent matters, Juan Cruz Azzarri advised several clients (including YPF and Wintershall Energía) in actions seeking to declare the unconstitutionality of a special charge, imposed by an executive decree, on natural gas tariffs. Jimena Vega Olmos, who co-heads the department alongside Azzarri, is also a key contact.

Next Generation Partners

Jimena Vega Olmos - Martínez de Hoz & Rueda

Juan Cruz Azzarri - Martínez de Hoz & Rueda

[back to top]

TMT
TMT - ranked: tier 4

Martínez de Hoz & Rueda

Martínez de Hoz & Rueda’s ‘very business-oriented team’ strikes the right note with its ‘strong commitment to finding commercial solutions to problems’. Recent work includes practice head Francisco Amallo, together with key partner Fernando Zoppi, advising e-commerce giant MercadoLibre on contractual matters. Other representative clients include Imagine Communications, Western Union and ZTE.

[back to top]

Argentina: Energy and natural resources

Electricity
Electricity - ranked: tier 2

Martínez de Hoz & Rueda

Martínez de Hoz & Rueda’s power practice, which is highlighted by peers as ‘very strong and growing quickly’, is distinguished by its ‘specialist project finance expertise’ as well as by its ‘deep experience in complex administrative law matters’. On the project finance front, department co-head Juan Cruz Azzarri advised Parque Eólico Arauco SAPEM on the development of three wind farm projects. In addition, Pablo Rueda assisted JinkoSolar Holding with the development and $100m project financing of a solar farm project. Jimena Vega Olmos co-leads a practice that also counts Orazul Energy, IDB Invest and Goldwind among its key clients.

Leading individuals

Pablo Rueda - Martínez de Hoz & Rueda

[back to top]

Oil and gas
Oil and gas - ranked: tier 1

Martínez de Hoz & Rueda

The ‘highly commercial and pragmatic’ Martínez de Hoz & Rueda’s signature oil and gas offering ranks ‘among the best in Argentina’, according to satisfied clients. Particular praise is reserved for its ‘excellent combination of legal skills with a problem-solving approach’ and one client asserts that ‘it stands as a reference point on how to resolve complex industry issues’. The department’s impeccable balance is another recurring theme and it attracts wide acclaim for its broad sector expertise across the full spread of regulatory, transactional and contentious, particularly arbitral, matters. José Martínez de Hoz, who pairs regulatory with transactional prowess, is ‘one of the best oil and gas specialists in Argentina’ and recently advised Trafigura on its acquisition of the downstream business of Pampa Energía. He also teamed up with Tomás Lanardonne (‘a top expert in oil and gas regulation and contracts’), Juan Cruz Azzarri and the M&A practice to advise ExxonMobil Exploration Argentina on the acquisition of a 21% stake in midstream company Oldelval from Pampa Energía. Other names to note include senior partner Pablo Rueda, who is an ‘excellent counsel’ and co-leads the department alongside Martínez de Hoz, and talented associate Marcos Blanco.

Leading individuals

José Martínez de Hoz - Martínez de Hoz & Rueda

Next Generation Partners

Tomás Lanardonne - Martínez de Hoz & Rueda

Rising stars

Marcos Blanco - Martínez de Hoz & Rueda

[back to top]

Latin America: International firms

Local practitioners of note (by country)

Bomchil's María Inés Corrá focuses on energy and regulatory cases; the team lost Guido Tawil who is now an arbitrator. Rivera & Asociados' managing partner Julio César Rivera is widely recognised as the 'best arbitrator in Argentina', and is 'very reliable on complex civil law issues both as counsel and arbitrator'. At Bruchou, Fernández Madero & LombardiCarlos M. Rotman represented Pan American Energy Group in  ICC arbitration proceedings relating to the breach of contract against Transportadora de Gas del Sur; Ignacio J. Minorini Lima is also highly recommended. Ricardo A Ostrower and Héctor Mairal are names to note at Marval, O'Farrell & Mairal; the latter counts Petrobras, Total Austral, GE and Assurant Argentina Compañía de Seguros as his key clients. At Estudio Alegría, Buey Fernández, Fissore y Montemerlo, founding partner Héctor Alegría is recommended for acting as counsel in international arbitration proceedings as well as sitting as an arbitrator in commercial disputes. At Abeledo Gottheil Abogados, Luis Erize and Hernán Martín Oriolo are particularly well known for energy cases. José Martínez de Hoz at Martínez de Hoz & Rueda is 'rock solid in commercial and investor-state arbitration' and is particularly experienced in energy-related cases; he recently represented YPF in a $1.6bn ICC arbitration initiated by a consortium of natural gas operators.

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Further information on Martínez de Hoz & Rueda

Please choose from this list to view details of what we say about Martínez de Hoz & Rueda in other jurisdictions.

Argentina

Offices in Buenos Aires

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