Our Firm

DIAZ PALAO & SILES Abogados is proud to offer our clients all the required legal services, consulting and representing national and foreign clients in businesses and investment activities performed in Peru.

The experience of the Firm has served us to be called as members of two major organizations of lawyers in the world: L2B Aviation, Best Global Aviation Law Network 2013, 2014, 2015, 2016 and 2017 as selected by Chambers; and second: PRAE LEGAL a multinational organization of lawyers with offices in more than 120 countries, which allow us to offer our clients legal support globally with our correspondent Law Firms.

Our personalized services guarantee, monitoring of each case at all time with proper information and precise suggestions given by our lawyers, who are highly qualified and have national and international experience in different law areas; which has allowed us a lasting and close relation with our clients for over a decade.



Reliability, permanent communication and team working: an ideal environment to become strategic associates and value generators for our clients.

DIAZ PALAO & SILES Abogados consists of professionals with wide experience and career in different public and private entities and companies.

Our philosophy

In DIAZ PALAO & SILES Abogados we keep principles as a sound basis for our professional activity and a proper behavior code regarding our clients and the community in general. This includes a deep respect to our clients’ confidentiality and loyalty.

Our firm counts with the collaboration and participation of high level law professionals, with wide knowledge of national legislation. Likewise, we have developed an international practice, keeping strategic relations with important law firms and legal entities, regionally and worldwide.


  • César Octavio Díaz Palao


    Lawyer graduated from Universidad de Lima. Post Graduate studies in the Post Graduate School of the same university in Business Law and Governance and Policy Management studies. Pontificia Universidad Catolica del Peru Official Settler and Arbitrator of the National and International Arbitration Center of the Lima Chamber of Commerce.

    He has performed as legal advisor for human resources, fisheries, industrial and air transportation companies; Advisor to the Inter-American Development Bank - BID (In Spanish) and ESAN Post Graduate Business Administration School, in the implementation and execution of development projects.

    In the Public Sector, he has filled in positions and legal management in the labor and employment promotion sector; social security; and power generation. Likewise, he has led entities devoted to family and childhood protection. Finally, he was filled one of the three Directions of the Peruvian Private Investment Promotion Agency, PROINVERSION (in Spanish). In the guild area he is the representative of Peru at the Latin American Air Transport Association, ALTA (in Spanish).

    Specialization Law areas: Administrative, Aeronautics, Private and Public Labor, Corporate, Energy, Arbitration, Settlement, Taxation, State Hiring and Acquisition.

    • Member of the Lima Bar since July 1993.
    • Languages: Spanish and English
  • Patricia Siles Alvarez


    Lawyer graduated from Universidad de Lima, major in Aeronautical Law and Aviation Management, with administration and business organization studies at the International Air Transport Association - IATA and the Peruvian Air Force School.

    During her career, she has performed as legal advisor for air transport companies regarding legal administration of the aeronautical crew and staff. She has broad knowledge of national and foreign customs and technical aeronautical legislation and procedural regulations to obtain air commercial rights before the Civil Aviation Authority in Peru and abroad.

    Likewise, she has broad experience in all matters related to aircraft contracts, leasings, wet leasings and purchasing. She is an advisor regarding passengers and cargo liability and aviation insurances, as well as all other matters regarding aviation clients.

    At the guild level, she is Past President and current director of the International Air Transport Companies Association - AETAI (In Spanish). She is current director of the Peruvian Air Companies Association - APEA (In Spanish) and of the Business Alliance for Secure Commerce – BASC. She is also a representative of the Latin American Air Transport Association, ALTA (in Spanish) and member of the Airport Users Advisory Board - OSITRAN.

    In the public field, she acted as Vice President for the Civil Aeronautics Advisory Board of the Transport and Communication Ministry and she is the current airline representative before the Customs Advisory Board as General Representative of different national and international air companies.

    She was professor of the Governance, Public Management and Aeronautical Law Master’s Degree Course at Universidad San Martín de Porres and of the Spain IT Aérea Aeronautical Bussiness School. She is external advisor regarding aeronautical matters of international entities such as the Andean Community of Nations, the Colombian Air Transport Association, representative in Peru of the Latin American Air Transport Association (ALTA in Spanish), as well as National and International lecturer.

    Specialized in: Aeronautical, Administrative, Customs, Foreign Trade, Labor, Registry and Corporate Law.

    • Member of the Lima Bar since July 1993.
    • Languages: Spanish, English.


  • Milagros Rabines Flores


    Lawyer graduated from Universidad de Lima. Master’s Degree studies in Business Law in the same University. She has worked as legal advisor with ministries and in public institutions regarding government contracts processes.

    She has worked as legal advisor in the private sector, in national and international air transport companies, on different fields including administrative processes, human resources performance, with special emphasis in crew aeronautical regulations; aircraft import and export custom regimes and processes. She is advisor to companies in matters related to foreign trade logistics in the administrative and procedural field and in matters related to civil and administrative dispute resolution.

    She is advisor of guild organizations related to foreign trade and is currently a representative of various companies.

    In the resolution of disputes field, she has vast experience in matters of civil law, administrative contentious court process, business and constitutional law.

    Specialized in: Aeronautics, Civil, Corporate, Commercial, Administrative, Customs and Labor Law and in Government Contracts Processes.

    • Member of the Lima Bar since April 1998.
    • Languages: Spanish, English.
  • José Javier Mifflin Siles


    Lawyer at Universidad Peruana de Ciencias Aplicadas; with specialized studies in Administrative Law at Universidad ESAN.

    In the private field he has performed positions in first level law firms, advising investors of the property business and companies of the agrarian sector, in all matters related to tittle for property studies and physical and legal sanitation of rustic grounds in various regions of the country like Ica, Piura, Tumbes, Chiclayo, Arequipa and Lima.

    Likewise, he is responsible of the Consumer protection area at our law firm before the Commission for Consumer Protection and citizen service of the National Institute for Defense of Competence and Protection of Intellectual Property -  INDECOPI.

    Specialized in: Administrative, Property and Possession, Consumer Defense, Labor, Migratory, Government Contract Processes and y Aeronautics.

    • Member of the Lima Bar since 2015.
    • Languages: Spanish, English

Av. Camino Real 493 Of. 1002

San Isidro, Lima 27 - Peru


Phone. 51 1 628 3228 / 51 1 628 3229