Arbitration and Dispute Resolution

Experience

Photograph: Sylvia de la Jara

DOMESTIC AND INTERNATIONAL ARBITRATION PROCEEDINGS

+ 0

PRESIDENT / SOLE ARBITRATOR · CO-ARBITRATOR

50/ 0

CONTRACT, COMMERCIAL, AND CORPORATE LAW / GOVERNMENT CONTRACTS

60/ 0

ARBITRATIONS BY SECTOR

CONTRACTUAL / CORPORATE

Including:

Corporate disputes relating to shareholders’ agreements in the real estate, agribusiness, and energy sectors, among others.
Dispute over share ownership in a media company.
Dispute over the transfer of share ownership in an education-sector company.
Dispute over the subscription of investment fund units by a pension fund administrator (AFP).
Dispute over compliance with investment commitments in an agribusiness project.
Dispute over a share purchase agreement in the electricity sector.
Dispute over the assignment of broadcasting rights for professional football matches.
Dispute over the constitution of a power line, right-of-way, and transit easement in favor of a mining company.
Dispute over airport operation and service provision.
Dispute over industrial infrastructure service and repair.
Dispute over the supply of chemical inputs for fishmeal production.
Dispute over supply, brand affiliation, and trademark licensing in fuel retail.
Dispute over the supply of goods for telecommunications infrastructure.
Dispute over an oxygen supply agreement.
Dispute over a sale and purchase agreement, surface rights, and assignment of contractual position in shopping center operation.
Dispute over the lease and operation of warehouses and shopping centers.
Dispute over confidentiality and trade secret protection.
Dispute over a participation agreement (asociación en participación) for the management of delinquent accounts.
Dispute over a maritime cargo transport agreement.
Dispute over price payment and the constitution of a statutory mortgage arising from a real estate sale and purchase agreement, in the context of the acquisition of a hotel complex.

GAS, OIL AND ENERGY

Including:

Dispute over the termination of a fuel supply agreement and the enforcement of a performance bond for non-payment.
Dispute over the early termination of an EPC contract for hydrocarbons infrastructure, based on an allegation of fraudulent call on a guarantee.
Disputes over generation shortfalls, the valuation of energy and capacity transfers, and the calculation of short-term marginal costs.
Dispute over the use of assets under a hydrocarbons exploration and exploitation operating agreement.
Dispute over the provision of electricity transmission services to an oil refinery.
Dispute over verification and analysis contracts for LPG sale and purchase, entered into with OSINERGMIN.
Dispute over the administration of assets under the Gasoducto Sur Peruano concession following its termination.
Commercial dispute between a power generation operator and the Committee for the Economic Operation of the National Interconnected System (COES) over the operation and compensation of energy supply services.
Dispute over compliance with the interconnection obligation to the National Interconnected Electricity System under a cold reserve power generation concession contract for the energy supply of the Peruvian Amazon.

REGULATION AND APPs

Including:

Dispute over service levels and productivity under the Callao Port Terminal (Muelle Norte) Concession Agreement, between the Ministry of Transport and Communications and APM Terminals.
Dispute over the Bearer Service, Local and Long-Distance Telephone Service Concession Agreement, between the Ministry of Transport and Communications and Telefónica del Perú.
Dispute over the National Fiber-Optic Backbone Network Concession Agreement, between the Ministry of Transport and Communications and Azteca Comunicaciones Perú.
Dispute over the Line 1 Concession Agreement of the Lima and Callao Metropolitan Electric Transport System, between the Ministry of Transport and Communications and GyM Ferrovías.
Dispute over the Lima Metro Line 2 Concession Agreement, between the Ministry of Transport and Communications and Metro de Lima Línea 2.
Dispute over the Peru–Brazil Interoceanic Highway Concession Agreement, between the Ministry of Transport and Communications and Intersur Concesiones.
Dispute over electricity transmission line concession agreements entered into with the Ministry of Energy and Mines.
Dispute over an airport infrastructure concession agreement entered into with the Ministry of Transport and Communications.
Dispute over infrastructure handover and the recognition of operation and maintenance costs under a telecommunications financing agreement, in a rural broadband project aimed at closing Peru’s digital divide.

Including:

Corporate disputes relating to shareholders’ agreements in the real estate, agribusiness, and energy sectors, among others.
Dispute over share ownership in a media company.
Dispute over the transfer of share ownership in an education-sector company.
Dispute over the subscription of investment fund units by a pension fund administrator (AFP).
Dispute over compliance with investment commitments in an agribusiness project.
Dispute over a share purchase agreement in the electricity sector.
Dispute over the assignment of broadcasting rights for professional football matches.
Dispute over the constitution of a power line, right-of-way, and transit easement in favor of a mining company.
Dispute over airport operation and service provision.
Dispute over industrial infrastructure service and repair.
Dispute over the supply of chemical inputs for fishmeal production.
Dispute over supply, brand affiliation, and trademark licensing in fuel retail.
Dispute over the supply of goods for telecommunications infrastructure.
Dispute over an oxygen supply agreement.
Dispute over a sale and purchase agreement, surface rights, and assignment of contractual position in shopping center operation.
Dispute over the lease and operation of warehouses and shopping centers.
Dispute over confidentiality and trade secret protection.
Dispute over a participation agreement (asociación en participación) for the management of delinquent accounts.
Dispute over a maritime cargo transport agreement.
Dispute over price payment and the constitution of a statutory mortgage arising from a real estate sale and purchase agreement, in the context of the acquisition of a hotel complex.

Including:

Dispute over the termination of a fuel supply agreement and the enforcement of a performance bond for non-payment.
Dispute over the early termination of an EPC contract for hydrocarbons infrastructure, based on an allegation of fraudulent call on a guarantee.
Disputes over generation shortfalls, the valuation of energy and capacity transfers, and the calculation of short-term marginal costs.
Dispute over the use of assets under a hydrocarbons exploration and exploitation operating agreement.
Dispute over the provision of electricity transmission services to an oil refinery.
Dispute over verification and analysis contracts for LPG sale and purchase, entered into with OSINERGMIN.
Dispute over the administration of assets under the Gasoducto Sur Peruano concession following its termination.
Commercial dispute between a power generation operator and the Committee for the Economic Operation of the National Interconnected System (COES) over the operation and compensation of energy supply services.
Dispute over compliance with the interconnection obligation to the National Interconnected Electricity System under a cold reserve power generation concession contract for the energy supply of the Peruvian Amazon.

Including:

Dispute over service levels and productivity under the Callao Port Terminal (Muelle Norte) Concession Agreement, between the Ministry of Transport and Communications and APM Terminals.
Dispute over the Bearer Service, Local and Long-Distance Telephone Service Concession Agreement, between the Ministry of Transport and Communications and Telefónica del Perú.
Dispute over the National Fiber-Optic Backbone Network Concession Agreement, between the Ministry of Transport and Communications and Azteca Comunicaciones Perú.
Dispute over the Line 1 Concession Agreement of the Lima and Callao Metropolitan Electric Transport System, between the Ministry of Transport and Communications and GyM Ferrovías.
Dispute over the Lima Metro Line 2 Concession Agreement, between the Ministry of Transport and Communications and Metro de Lima Línea 2.
Dispute over the Peru–Brazil Interoceanic Highway Concession Agreement, between the Ministry of Transport and Communications and Intersur Concesiones.
Dispute over electricity transmission line concession agreements entered into with the Ministry of Energy and Mines.
Dispute over an airport infrastructure concession agreement entered into with the Ministry of Transport and Communications.
Dispute over infrastructure handover and the recognition of operation and maintenance costs under a telecommunications financing agreement, in a rural broadband project aimed at closing Peru’s digital divide.

CONSTRUCTION CONTRACTS

Including:

Dispute over penalties and the enforcement of guarantees under a public works subcontract structured as a mixed (lump-sum and unit-price) contract.
Dispute over the management of a public works procurement process entrusted to an international organization, under a technical assistance agreement.
Dispute over the interpretation of contractual milestones, guarantees, and financial compensation in a public infrastructure project under an NEC3 contract.
Dispute over the recognition of additional costs and overheads arising from time extensions under a road rehabilitation and maintenance contract financed by the IDB.
Dispute over time extensions and overheads under road construction contracts entered into with Provías, an agency of the Ministry of Transport and Communications.
Dispute over time extensions and payment of overheads in the construction of a hydroelectric plant.
Dispute over penalties for alleged breaches involving safety, deadlines, and key personnel under an NEC3 works subcontract, in a riverbank defense project financed in the aftermath of the Coastal El Niño.
Dispute over contractual milestones, the validity of guarantees, and cost overruns under an NEC3 design-and-supply contract for a flood early-warning system, under the Reconstruction with Changes Program.

OTHER MATTERS

Including:

Dispute over breaches in the execution of a publicly funded cultural project, under a national film production grant program.
Dispute over a consultancy agreement for a feasibility-level pre-investment study of an infrastructure project.
Dispute over maintenance contracts provided to a state-owned water and sewerage utility.
Dispute over a security services agreement with a state entity.
Dispute arising from an international sale and purchase agreement for food products.
Dispute arising from a participation agreement (asociación en participación) for the production and marketing of food products.

LEGAL REPORTS

Including:

Legal opinions on contractual obligations and remedies in transactions related to the oil sector, the wind energy industry, and other sectors.
Legal opinions on breach of contractual obligations, the exercise of termination rights, application of the doctrine of estoppel (actos propios), and compliance with corporate obligations in the context of share transfers.

Including:

Dispute over penalties and the enforcement of guarantees under a public works subcontract structured as a mixed (lump-sum and unit-price) contract.
Dispute over the management of a public works procurement process entrusted to an international organization, under a technical assistance agreement.
Dispute over the interpretation of contractual milestones, guarantees, and financial compensation in a public infrastructure project under an NEC3 contract.
Dispute over the recognition of additional costs and overheads arising from time extensions under a road rehabilitation and maintenance contract financed by the IDB.
Dispute over time extensions and overheads under road construction contracts entered into with Provías, an agency of the Ministry of Transport and Communications.
Dispute over time extensions and payment of overheads in the construction of a hydroelectric plant.
Dispute over penalties for alleged breaches involving safety, deadlines, and key personnel under an NEC3 works subcontract, in a riverbank defense project financed in the aftermath of the Coastal El Niño.
Dispute over contractual milestones, the validity of guarantees, and cost overruns under an NEC3 design-and-supply contract for a flood early-warning system, under the Reconstruction with Changes Program.

Including:

Dispute over breaches in the execution of a publicly funded cultural project, under a national film production grant program.
Dispute over a consultancy agreement for a feasibility-level pre-investment study of an infrastructure project.
Dispute over maintenance contracts provided to a state-owned water and sewerage utility.
Dispute over a security services agreement with a state entity.
Dispute arising from an international sale and purchase agreement for food products.
Dispute arising from a participation agreement (asociación en participación) for the production and marketing of food products.

Including:

Legal opinions on contractual obligations and remedies in transactions related to the oil sector, the wind energy industry, and other sectors.
Legal opinions on breach of contractual obligations, the exercise of termination rights, application of the doctrine of estoppel (actos propios), and compliance with corporate obligations in the context of share transfers.

Cecilia O’Neill de la Fuente

Band 1

Dispute Resolution: Most in Demand Arbitrators – Latin America Guide 2027 – Peru

Cecilia O’Neill de la Fuente

Band 1

Dispute Resolution: Most in Demand Arbitrators – Latin America Guide 2026 – Peru

Cecilia O’Neill de la Fuente

Band 1

Dispute Resolution: Most in Demand Arbitrators – Latin America Guide 2025 – Peru

Cecilia O’Neill de la Fuente

Leading

Arbitration – Classification 2026 – Arbitrator – Peru

Cecilia O’Neill de la Fuente

Leading

Arbitration – Classification 2025 – Arbitrator – Peru