Jurisdiction(s):
United Kingdom

Key definition

Investment Treaty Arbitration definition

What does Investment Treaty Arbitration mean? investment treaty arbitration is investor–state dispute settlement (ISDS) in which a foreign investor brings arbitration claims against a respondent state or state entity for alleged breaches of protections in a bilateral investment treaty (BIT) or a multilateral treaty (such as the Energy Charter Treaty). It is a descriptive term used across international practice rather than one defined by UK or Irish legislation or case law. Key features include consent to arbitrate given by the state in the treaty; claims typically alleging breach of fair and equitable treatment, unlawful expropriation, most‑favoured‑nation or national treatment. Proceedings are commonly under the...

2019 investment treaty arbitration: tracker of key awards, jurisdiction and annulment decisions across ICSID, UNCITRAL, SCC, PCA and ICC (archived)

Published by a LexisNexis Arbitration expert

Practice notes

ARCHIVED

This Practice Note has been archived and is not maintained. This Practice Note compiles the particulars of notable awards and determinations delivered by tribunals in Investment Treaty Arbitration matters, chiefly those administered by the International Centre for the Settlement of Investment Disputes (ICSID). It additionally encompasses pertinent awards and determinations in cases conducted under The United Nations Commission on International Trade Law (UNCITRAL) Arbitration Rules and run by other arbitral bodies, including the Arbitration Institute of the Stockholm Chamber of Commerce (SCC), the Permanent Court of Arbitration (PCA) and the International Court of Arbitration of the International Chamber of Commerce (ICC). Although investment treaty arbitration does not operate a recognised doctrine of precedent, earlier decisions are frequently relied upon by parties during proceedings and considered by arbitral tribunals in their rulings. This Practice Note only includes awards and determinations made public in 2019, even though, in some instances, they may have been issued to the parties before 2019. The earlier tracker can be found here: Investment treaty arbitration—2018—key arbitral awards and decisions tracker [Archived].

Note:

the emphasis of this tracker is awards and milestone rulings on, for example, jurisdiction, rather than other procedural orders in the...

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Web page updated on 21/05/2026

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