Satisfied clients of Durán & Osorio Abogados Asociados say it stands out for its ‘extensive knowledge of public law and private law’, which equips it to ’solve public problems and propose viable solutions’. The group is additionally distinguished by its record in representing major government agencies and state-owned enterprises at home and abroad, including ANI, Ecopetrol and the UK’s Crossrail International. Álvaro Mauricio Durán Leal is a go-to public law specialist and recently advised IDB on the development of a framework analysing the different contractual functions of the contracts for the First Line of the Bogotá Metro and the Second Line of the Lima Metro. Durán co-heads the department alongside Jorge Gabriel Taboada, who is highly regarded for infrastructure and litigation; London-based projects expert Carlos Andrés Sánchez García; and Álvaro Gasca, who is particularly active in the PPP sphere. Senior associate Felipe Herrera provides capable support.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

‘The group of lawyers formed and led by Álvaro Mauricio Durán Leal are nothing less than excellent.’
‘The team possesses great depth of legal knowledge and good financial knowledge. Very practical in their reflections with technical equipment.’
‘D & O’s work stands out from other teams due to its knowledge and experience, but above all due to its interest and capacity in public innovation. Partners have given direct support to innovative public procurement processes promoting the Social Impact Bond programme in Colombia.’
‘Its teams have extensive knowledge of public law and private law, which allows connection and articulation to solve public problems and propose viable solutions.’
‘We value lawyers for their very good availability, billing and excellent customer relationships.’
‘The Duran & Osorio team provides constant theoretical-practical updates on current market trends, which allows them to address, analyse and solve issues, conflicts or difficulties in an avant-garde and innovative way.’
‘We recommend the team for its high degree of both theoretical and practical knowledge of the markets and the commitment it presents to its clients.’

Key clients

Crossrail International / Ministry of Transport
World Bank
Financiera de Desarrollo Nacional
Patria Investments
Empresa Férrea Regional - EFR
Inter-American Development Bank
Mercantil Colpatria
Concesionaria Rutas del Valle
Ministry of Transport
International Finance Corporation (IFC)
National Roads Institute (INVÍAS)
Ministry of Finance and Public Credit
Odinsa
Servicio Geológico Colombiano
National Planning Department (DNP)
Inter-American Development Bank / Fundación Corona / Swiss Economic Cooperation

Work highlights

Advised IDB on the development of a theoretical and methodological framework analysing the different contractual functions (control, co-ordination and adaptation) of the contracts for the First Line of the Bogotá Metro and the Second Line of the Lima Metro.
Advised Mercantil Colpatria and Patria Investments on its successful tender for a major road infrastructure project; it is subsequently advising the concessionaire (Concesionaria Rutas del Valle) on the execution of the concession contract, and also on its contractual relationship with ANI.
Retained by Financiera de Desarrollo Nacional (FDN) to design a new institutional arrangement for the railway system in Colombia.