Tiago Duarte

Joined PLMJ in 2004.
Senior counsel in the Public Law practice.

About Tiago

Tiago is a senior counsel in the Public Law practice and has more than 25 years’ experience in public law and arbitration. He is recognised as a lawyer, arbitrator and academic.

As a lawyer, Tiago specialises in administrative law. He is known for his work on major public-private partnership projects, in the public procurement stage, in implementing the contracts, and in administrative litigation and arbitration (domestic and international). He also has extensive experience in all phases of administrative procedure. Tiago has assisted private companies and public bodies in a range of matters, including their relationship with the Court of Auditors and the Constitutional Court.

As an arbitrator, he has extensive experience in domestic and international disputes, including as a sole arbitrator in an ICC arbitration. Tiago is also one of the four Portuguese arbitrators nominated by the Portuguese State to the International Centre for Settlement of Investment Disputes’ (ICSID) international panel of arbitrators. The ICSID is the most important investment arbitration centre in the world. Prior to this, Tiago, had already worked as a lawyer and legal expert in various ICSID arbitrations.

As an academic, Tiago has a doctorate in public law from Universidade Nova de Lisboa. He is also a professor at the Faculty of Law of Universidade Católica Portuguesa, where he is responsible for the subjects of constitutional law, administrative contracts, and international investment arbitration. Tiago is also a guest lecturer at other universities and a speaker on a variety of postgraduate courses.

He has carried out research and published writings in the areas of constitutional law, administrative law, public finances and international investment protection arbitration. Tiago was a Visiting Fellow at the University of Cambridge (Lauterpacht Research Centre for International Law and Wolfson College).

Practice Areas:

Administrative and constitutional litigation

Financial public law and the Court of Auditors

PPPs, concessions, infrastructures and projects

Public procurement and administrative contracts

Sectors:

Government and public sector

Manufacturing

Desks:

Italian Desk

Contacts

Office: Lisbon
(+351) 213 197 300*
tiago.duarte@plmj.pt

*National landlines call

Languages:
English, Spanish, French, Italian

Curriculum Vitae

Academic Background

Law degree from the University of Lisbon, 1995.
Admitted to the Portuguese Bar Association, 1997
Doctorate and master’s programme, Faculty of Law of Universidade Nova de Lisboa, 1997-1999
Doctorate in public law from the Faculty of Law of Universidade Nova de Lisboa, 2005
Lecturer at the Faculty of Law of the University of Lisbon (economic law and tax law), 1994-1999
Professor (regent) of financial law (public finances), Faculty of Law of Universidade Nova de Lisboa, 2004-2007
Professor and head of administrative law and constitutional law, Faculty of Law of Universidade Nova de Lisboa, 2006-2018
Professor on the Master’s in Law and Management, Nova School Business Economics, 2010-2018
Visiting Fellow at the University of Cambridge (Lauterpacht Research Centre for International, 2011-2012
Professor and head of public contracts law, Faculty of Law of Universidade Nova de Lisboa, 2012-2018
Professor of public law arbitration, and investment protection arbitration on the FDUNL postgraduate programme in arbitration, (2012-2018)
Professor of investment protection arbitration on the LL.M European and Transglobal Business Law, University of the Minho since 2013
Professor at the Faculty of Law of Universidade Católica Portuguesa since 2018

Professional Background

Senior counsel since 2023
Partner at PLMJ, 2008-2023
Legal adviser to the Secretary of State for the Presidency of the Council of Ministers, 1995-1997
Legal assistant to the Secretary of State of the Portuguese Communities - Ministry of Foreign Affairs, 1997-1999
Consultant at the Office of Legislative Policy and Planning of the Ministry of Justice, 2001-2004
Legal assistant and head of the cabinet of the Deputy Secretary of State of the Minister of Economy, 2002- 2003
Arbitrator in various arbitrations since 2009
Member of the panel of arbitrators at the Commercial Arbitration Centre (CCIP) and at the Administrative Arbitration Centre (CAAD) since 2012
President of Investment Arbitration Board of the Portuguese Arbitration Association (APA) since 2013
President of the Monitoring Committee of the New Urban Lease Law, 2013
Legal expert in international arbitration at the ICSID
Permanent member of the National Ethics Council for Life Sciences

Member of

Member of the National Council of Ethics for the Life Sciences (Conselho Nacional de Ética para as Ciências da Vida), elected by the Portuguese Parliament