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Julia Calderón Carcedo

Julia Calderón Carcedo


Julia Calderón Carcedo’s practice focuses on International Arbitration and Public International Law, Public Law and Regulated Sectors.

In the field of International Arbitration, Julia represents sovereign states, investors and corporate clients in investment and commercial disputes conducted under the rules of ICSID, UNCITRAL and ICC. She has advised clients in the fields of energy, banking, mining and transportation.

Prior to joining the firm, Julia was an associate in a London firm specialised in Public International Law where she advised clients in INTERPOL proceedings, treaty-base arbitrations and in proceedings before Human Rights Courts. She also advised clients and local counsel on public international law matters such as immunity, jurisdiction or state sovereignty.

Julia was also an associate in the Madrid office of a major Ibero-American firm where she specialised in International Arbitration, Public law, Regulated Sectors and Litigation. As part of her practice, she represented Spanish and multinational companies in matters relating to energy, infrastructure, public contracts, competition, banking and public services. 

Julia is fluent in Spanish and has working knowledge of French.


  • Kaloti Metals & Logistics, LLC v. Republic of Peru (ICSID Case No. ARB/21/29). Counsel to Respondent. 
  • Worth Capital Holdings 27 LLC v. Republic of Peru (ICSID Case No. ARB/20/51). Counsel to Respondent.
  • Odebrecht Latinvest S.à.r.l. v. Republic of Peru (ICSID Case No. ARB/20/4). Counsel to Respondent.
  • Enagás Internacional S.L.U. v. Republic of Peru (ICSID Case No. ARB/21/65). Counsel to Respondent.
  • Enagás S.A. and Enagás Internacional S.L.U. v. Republic of Peru (ICSID Case No. ARB/18/26). Counsel to Respondent.
  • Carlos Ríos and Francisco Ríos v. Republic of Chile (ICSID Case No. ARB/17/16). Counsel to Respondent.
  • Infinito Gold Ltd. v. Costa Rica (ICSID Case No. ARB/14/5). Counsel to Respondent.
  • Latam Hydro LLC and CH Mamacocha S.R.L. v. Republic of Peru (ICSID Case No. ARB/19/28). Counsel to Respondent.
  • Jochem Bernard Buse v. República de Panamá (ICSID Case No. ARB/17/12). Counsel to Claimant.
  • Al Jazeera v. Egypt Al Jazeera Media Network v. The Arab Republic of Egypt (Caso CIADI No. ARB/16/1). Counsel to Respondent.
  • The Republic of Croatia in two investor-state arbitrations presented by Austrian banks.
  • A Spanish energy, construction and industrial group in a dispute before the CCI.
  • A Spanish multinational bank in a dispute before the CCI.


Arnold & Porter Secures Another Complete Victory for Republic of Peru in International Arbitration
Arnold & Porter Achieves Significant International Arbitration Victories for Republic of Peru
Practical Considerations on Confidentiality and Privilege in International Arbitration
Panelist, IV International Conference on Legal Skills in International Arbitration IPA 2023, Peruvian Institute of Arbitration
How to Persuade an Arbitral Tribunal? Written Phase. Drafting and Use of Audio-Visual Aids. How to Present a Case? How do Arbitrators Take Their Decisions? Drafting of Memorials of Claim and Counter-Memorials. Production of Documentary Evidence.
Panelist, IPA Specialisation Course on Legal Skills in International Arbitration, Peruvian Institute of Arbitration
Circumstances Precluding Wrongfulness in Investment Arbitration
Speaker, Advanced Programme in Investment Arbitration, Paris Bar School



  • LL.M., International law, University College London, 2017, distinction
  • B.A., Law and International relations, 2010, distinction


  • England and Wales
  • Spain