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...

2018 investment treaty arbitration: key awards and jurisdictional decisions tracker—ICSID, UNCITRAL, SCC, PCA, ICC (archived)

Published by a LexisNexis Arbitration expert

Practice notes

ARCHIVED:

This Practice Note is archived and no longer maintained. For the 2019 tracker, refer to Practice Note: investment treaty arbitration—2019—key arbitral awards and decisions tracker [Archived].

This Practice Note records details of notable awards and determinations issued by tribunals in investment treaty arbitration matters, chiefly those run by the International Centre for the settlement of Investment disputes (ICSID).

It also includes pertinent awards and decisions from proceedings under the united nations commission on international trade law (UNCITRAL) Arbitration Rules and those overseen 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 has no recognised doctrine of precedent, earlier rulings are frequently invoked by parties and considered by arbitral tribunals in their decisions.

This Practice Note features only awards and decisions made public in 2018, though in some instances they may have been issued to the parties before 2018.

Note:

this tracker prioritises awards and landmark rulings, for example on jurisdiction, rather than other procedural orders...

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Web page updated on 21/05/2026

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