Javier Lusarreta Aramendia

Javier Lusarreta Aramendia has been practicing as a Public and Real Estate attorney for more than twenty-two years.

Throughout his professional career, he has provided all types of legal advice to Public Administrations and corporations, particularly in the field of public, administrative and real estate law, and more specifically in public procurement, urban planning and environmental law. Drafting of tender specifications, tender reports and procurement resources.

He has extensive contentious-administrative litigation experience in all instances and areas, with expertise in certificates of completion for public works and civil jurisdiction, including contractual and non-contractual liability lawsuits, particularly those related to contract terminations, compensation, construction defects and professional civil liability (negligence), as well as criminal lawsuits related to public procurement, the environment and the real estate sector in general.

He has been directly involved in some of the most important national sales and financing of companies in the public and real estate sectors, providing advice on public law-related issues, where jurisdictions of many administrations converge.

Previous Experience

Before joining Laffer Abogados, Javier developed his professional career for more than eighteen years in the department of Contentious Litigation at Cuatrecasas, Gonçalves Pereira.

Previously, he directed the legal department at “NASIPA, S.L.”, with headquarters in Pamplona and offices in San Sebastián, Madrid and Vitoria.

Academic Background

Law Degree from the University of Navarra (average mark of excellent on academic record) (1998).

School for Legal Practice, University of Navarra (2001).

Postgraduate course on urban planning and zoning, Bar Association of Barcelona (2002).


Research assistant in the Department of Constitutional Law, collaborating on various publications, University of Navarra, 1997-1998.

Teaching courses and conferences as an expert, both internally (within law firms) and externally (to clients and the general public).

Author of publications, including journals such as Contratación Administrativa Práctica [Practical Administrative Procurement] and other similar journals.

Bar Associations

Member of the Bar Association of Pamplona.

Lawyer recommended by several legal directories, such as Best Lawyers, for various categories within his expertise: Litigation, Real Estate Law, Construction Law and Transportation Law. Named one of the 12 Lawyers of the Year 2022 in Litigation in Spain.