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- Senior Counsel
- Tiago Duarte
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, particularly during the public procurement stage, the implementation of contracts, and administrative litigation and arbitration, both 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 dealings with the Court of Auditors and the Constitutional Court.
As an arbitrator, he has extensive experience in domestic and international disputes, including serving as 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) Panel of Arbitrators. ICSID is one of the leading investment arbitration institutions in the world. Before this, Tiago had already worked as a lawyer and legal expert in various ICSID arbitrations.
As an academic, Tiago holds a doctorate in public law from NOVA School of Law. He is also a professor at the Faculty of Law of Universidade Católica Portuguesa, where he teaches 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 articles and other works in the areas of constitutional law, administrative law, public finances and international investment arbitration. Tiago was a Visiting Fellow at the University of Cambridge (Lauterpacht Centre for International Law and Wolfson College).
Contacts
Office: Lisbon
(+351) 213 197 300*
tiago.duarte@plmj.pt
Languages:
English, Spanish, French, Italian
Academic Background
- Law degree from the University of Lisbon, 1995.
- Admitted to the Portuguese Bar Association, 1997
- Doctorate and master’s programme, NOVA School of Law, 1997-1999
- Doctorate in public law from NOVA School of Law, 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), NOVA School of Law, 2004-2007
- Professor and head of administrative law and constitutional law, NOVA School of Law, 2006-2018
- Professor on the Master’s in Law and Management, NOVA School of Business and Economics, 2010-2018
- Visiting Fellow at the University of Cambridge (Lauterpacht Research Centre for International, 2011-2012
- Professor and head of public contracts law, NOVA School of Law, 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, the 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
Tiago Duarte is an international referee with CA-CCIAS São Tomé and Príncipe
Tiago Duarte is a speaker at the 10th Postgraduate Course in Arbitration Law
PLMJ participates in the APA Arbitration Day 2025
PLMJ experts author 'Panoramic - Public Procurement' guide
PLMJ maintains its leading position in the prestigious Chambers and Partners directory
PLMJ lawyers write Public Procurement 2023 for Lexology
Tiago Duarte and Carla F. Machado at the presentation of the Cabo Verde Administrative Procedure Code
PLMJ coordinates the 1st Energy and Projects Congress
The Legal 500
Chambers Europe
"Tiago Duarte maintains a highly relevant presence in the Portuguese public law market. He brings a unique experience that combines advocacy with academia and arbitration at the highest level."