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Antonio Quirós



M. (+34) 649 298 086
T. (+34) 986 226 382
e.  aqs@avantelegal.com
in. Antonio Quirós

Vigo office

Law Degree. 
Universidad de Navarra, 1996. Università degli Studi di Milano, Milán, 1995. (Erasmus scholar).

LLM in Maritime Law.
University of Southampton, 1998. (Barrie de la Maza Foundation scholar).

LLM in International Business Law.
University College London, 1999. (British Council scholar).

Antonio qualified as a Spanish lawyer in 1999. Before joining Avante in 2013, Antonio worked for more than ten years for the Spanish law firm Uría Menéndez and for more than four years for the English law firms Stephenson Harwood and DLA Piper. Likewise, in 2010 and 2011, Antonio was a visiting lawyer with Sullivan & Cromwell LLP and worked from their New York office.

Antonio specialises in maritime, insurance (both marine and non-marine) and international trade law. His practice covers litigation/arbitration and transactional work.

Throughout his career, Antonio has handled many marine casualties, disputes under shipbuilding contracts, cargo claims under all types of transport agreements, penalty and detentions proceedings brought by Spanish maritime authorities, ship arrests, mortgage enforcement proceedings and all other type of proceedings related to the maritime and transport activities.

Likewise, Antonio has provided advice in commercial transactions for the financing, construction, sale/purchase and distribution of industrial assets.

A substantial part of this worked is referred to Antonio by foreign clients, mainly, shipowners and operators, international law firms, P&I Clubs and insurance companies.

Antonio is regularly recognised as a leading maritime and transport lawyer in leading international legal publications and directories including the Chambers and Partners publications, Best Lawyer in Spain, Chambers Europe: Spain, and The Legal 500: Spain.


  • Public certification of maritime law proceedings: Commentaries to the Shipping Act. AA. VV. Madrid: Dykinson (2015).
  • The time-period extension of port concessions; requirements, proceedings and effects (2015), together with Jacobo Tojeiro.
  • The Spanish Shipping Act; A long-awaited reform of Spanish maritime law: Avante Legal (2014).
  • The maritime insurance contract on the Proposed General Shipping Act. Estudios sobre Derecho y Economía del Transporte: reforma y liberalización. Fernando Juan and Mateu (coordinator), Fernando Martínez Sanz (director), María Victoria Petit Lavall (director). Madrid: Tecnos, 2009, together with Julio López Quiroga and Tomás Fernández-Quirós Tuñón.
  • Supreme Court Rules on Ship Agents’ Liability for Cargo Damage: International Law Office (27 February 2008).
  • International trade and the new UCP 600: Revista Conxemar (May-June 2007).
  • Legislation on arbitration = Legislación sobre arbitraje. Elena Gutiérrez García de Cortázar, José Argüelles Pintos, C. Tárrago, J. Fernández de la Mela, Alex Ferreres Comella, Álvaro López de Argumedo Piñeiro, Cristina Ayo Ferrándiz, Ariadna Cambronero Ginés, Marco de Benito Llopis-Llombart, Miguel Virgós Soriano (coordinator), Antonio Quirós de Sas, Julio Iglesias Rodríguez. Madrid: Civitas, 2007.
  • Will the New Act Allow Direct Actions against P&I Clubs? International Law Office (21 March 2007).
  • The insurer’s liability under health insurance contracts. Revista Española de Seguros, no. 128, 2006, together with Julio López Quiroga and Guillermo San Pedro.


Chambers Europe (Spain, Shipping)

Antonio Quirós. Band 2.

The Legal 500 (Spain, Shipping)

Antonio Quirós. Leading Individual.


Chambers Europe (Shipping)

Antonio Quirós. Band 2.

The Legal 500 (Shipping)

Antonio Quirós. Recommended lawyer.


Chambers Europe (Shipping)

Antonio Quirós. Band 3.

The Legal 500 (Transport)

Antonio Quirós. Recommended lawyer.