Mr Juan Guillermo Lohmann > Rodrigo, Elías & Medrano – Abogados > Lima, Peru > Lawyer Profile

Rodrigo, Elías & Medrano – Abogados
LIMA 15072

Work Department

Litigation and Arbitration


Partner Juan Guillermo Lohmann specializes in civil law, local and international arbitrations and civil and trade litigations.


He counsels on negotiation, mediation and settlement of civil and commercial disputes. He represents clients in civil, contentious-administrative, trade, constitutional, and local and international arbitration proceedings.

He has been a member of the Civil Code and Civil Procedural Code amendment commissions, a member of the special commission for the Comprehensive Reform of the Justice Administration in Peru (CERIAJUS), and a representative of the Lima Bar Association at the Council of the Judiciary. He served as amicus curiæ to the Supreme Court and he was a member of the Arbitrations Council of the Lima Chamber of Commerce. He is a fellow of the Peruvian Academy of Law (since 2000) and a member of its 2008-2010 Board of Directors. He has been President of the Peruvian Chapter of the Spanish Arbitration Association.

Juan Guillermo authored a number of articles of his practice area, and the books titled El negocio jurídico (The Legal Business), El arbitraje (The Arbitration) and Derecho de Sucesiones (Inheritance Law). He has been a teacher under the School of Law of the Pontificia Universidad Católica del Perú, Universidad de Lima, and Universidad de Piura.


Spanish, English.


Lima Bar Association, Madrid Bar Association, Real Academia de Legislación y Jurisprudencia de España, Fellow of the Academia Peruana de Derecho.


Pontificia Universidad Católica del Perú – Lawyer (1975), Universidad Complutense de Madrid – Lawyer (1980).

Lawyer Rankings

Peru > Dispute resolution

(Leading individuals)

Juan Guillermo LohmannRodrigo, Elías & Medrano – Abogados

The ‘outstanding’ Rodrigo, Elías & Medrano – Abogados is a mighty force in the disputes arena where it defends the interests of some of the largest companies in the country. It has stand-out dominance in the energy and mining sector, acting for the likes of Latin America Power Perú (LAP), Luz del Sur, Minera Las Bambas and Southern Perú Copper Corporation. It successfully defended LAP in a $150m international arbitration brought by GCZ Ingenieros and GCZ Energía (GCZ) that was not only dismissed, but saw damages and costs were awarded to the client. The 19-strong team, all full-time disputes lawyers, advise across the board of civil, commercial, criminal, constitutional and public law matters. Each of the team’s six partners bring niche strengths or specialism to the practice, which is led by José Tam, an expert in civil/commercial and constitutional litigation and commercial arbitration. Tam led on the LAP case alongside international arbitration specialist Italo Carrano. Juan Guillermo Lohmann has been at the pinnacle of arbitration for decades, while José Reaño heads up the firm’s first-rate white-collar crime practice. Indicative of the slew of work handled by the firm, it expanded its associate bench from ten to 13 in 2019, hires including that of experienced senior associate Martin Chocano from rivals Miranda & Amado.