Selected Cases by Article & Issues

Article Preamble580 Cases These Principles set forth general rules for international commercial contracts.
They shall be applied when the parties have agreed that their contract be governed by them.
They may be applied when the parties have agreed that their contract be governed by general principles of law, the lex mercatoria or the like.
They may be applied when the parties have not chosen any law to govern their contract.
They may be used to interpret or supplement international uniform law instruments.
They may be used to interpret or supplement domestic law.
They may serve as a model for national and international legislators.

Number

Issue

# Cases

Material scope of application of Principles

1.1

International commercial contracts

1.1.1

Contracts v. unilateral acts

1.1.2

International v. domestic contracts

1.1.3

Commercial v. consumer transactions

Applicability of Principles

2.1

As rules of law governing the contract

2.1.1

Principles applicable if expressly chosen by the parties

2.1.1.1

In disputes before State court

2.1.1.2

In disputes before arbitral tribunal

2.1.2

Principles as expression of the "lex mercatoria" referred to in the contract

2.1.3

Principles as expression of "general principles of law" referred to in the contract

2.1.4

Principles as an expression of lex sportiva

2.1.5

Principles applied in the absence of any choice-of-law clause

2.1.5.1

Principles as "the rules of law [arbitrators]determine to be appropriate"

2.1.5.2

Principles as "relevant trade usages" to be taken into account in all cases by arbitrators

2.1.5.3

Principles as international trade custom

2.1.5.4

Principles as an expression of international law

2.1.6

Principles and arbitration ex aequo et bono

2.2

As terms incorporated into the contract

2.3

As means for interpreting and supplementing domestic law

Country	Date	Court
Arbitral Award	00-00-0000	ICC International Court of Arbitration 20103
Arbitral Award	20-05-2015	Centro de Arbitraje y Conciliación Mercantil de la Cámara de Comercio de Bogotá
Cases: 2
China	25-10-2019	Beijing No 2 Intermediate People's Court
Cases: 1
Georgia	04-12-2019	Supreme Court
Cases: 1
Italy	17-05-2017	T.A.R. Molise
Italy	23-07-2019	T.A.R. Lombardia
Italy	29-09-2019	Corte dei Conti - Sezione Giurisdizionale per la Regione Siciliana
Italy	14-02-2020	Corte dei Conti - Sezione Giurisdizionale per la Regione Siciliana
Cases: 4
Pakistan	07-01-2013	Supreme Court of Pakistan
Cases: 1
Paraguay	27-03-2017	Corte Suprema de Justicia - Sala Civil y Comercial
Paraguay	01-08-2017	Tribunal de Apelación en lo Civil y Comercial, Sexta Sala
Paraguay	17-10-2017	Tribunal de Apelación en lo Civil y Comercial, Cuarta Sala
Paraguay	23-03-2019	Tribunal de Apelación en lo Civil y Comercial de Asunción, Quinta Sala
Paraguay	15-12-2022	Tribunal de Apelación en lo Civil, Comercial y Laboral – Primera Sala
Cases: 5
Russian Federation	05-08-2010	Eighteenth circuit Arbitrazh Court of Appeal
Russian Federation	13-12-2010	Arbitrazh Court of Moscow
Russian Federation	29-04-2011	Arbitrazh Court of Saint Petersburg and Leningrad area
Russian Federation	15-12-2011	Arbitrazh Court of Kaliningrad region
Russian Federation	25-07-2012	Arbitrazh court of Kostroma region
Cases: 5