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The Legal Framework for Arbitration in Portugal


General Information:

  • UNCITRAL Model-Law based: No.
  • Legal Provisions: Law No. 31/86 of 29 August 1986 (the Arbitration Act, as amended), in force since 29 November 1986. The English translation is available at the website of the Lisbon Trade Association.


Multilateral Conventions:

  • New York Convention: Yes (ratification/accession: 18 October 1994); reservations: reciprocity.
  • European Convention: No.
  • ICSID Convention: Yes (ratification/accession: 2 July 1984); reservations: none.
  • Energy Charter Treaty: Yes (ratification/accession: 11 December 1997); reservations: none.

Arbitral Institutions:



Last updated September 2010