Microsoft Ireland Operations Ltd v Arabic Computer Systems & Anor (Unapproved) [2023] IECA 225 (22 September 2023)

Microsoft Ireland Operations Ltd v Arabic Computer Systems & Anor (Unapproved) [2023] IECA 225 (22 September 2023)

The law governing issues of ostensible authority, ratification, and estoppel in the formation of international contracts containing a choice of law clause is the putative proper law of the contract (here, Irish law), unless it would be particularly unfair to the principal to apply that law. The law of the country of incorporation governs actual authority and capacity, but ostensible authority and ratification are determined by the law chosen in the contract, subject to exceptions for unfairness.

Citation
[2023] IECA 225
Parties
Plaintiff/respondent: Microsoft Ireland Operations Limited; First Named Defendant/appellant: Arabic Computer Systems; Second Named Defendant/appellant: National Technology Group
Jurisdiction
Ireland
Judgment Date
22 September 2023
Procedural Posture
Appeal / Determination of a Single Legal Issue on Appeal From High Court, Concerning Choice of Law for Ostensible Authority and Ratification in International Contracts
Outcome
Appeal dismissed; trial judge's approach affirmed
Legal Topics
Choice of Law, Ostensible Authority, Ratification, Estoppel, Jurisdiction, International Contracts

Case Brief

Summary, issues, holding and outcome

More case intelligence is available

Unlock the full research layer for this judgment.

Full judgment text Downloadable case file Legal principles 3 Authorities cited 12 Party arguments 2 Amounts and remedies 1
Sign in to unlock

Parties

Microsoft Ireland Operations Limited

Plaintiff/respondent

Arabic Computer Systems

First Named Defendant/appellant

National Technology Group

Second Named Defendant/appellant

Procedural Posture

Appeal / Determination of a Single Legal Issue on Appeal From High Court, Concerning Choice of Law for Ostensible Authority and Ratification in International Contracts

  1. 1 What law governs the issues of ostensible authority and ratification in the formation of international contracts where the contract contains a choice of law clause? Should it be the law of the country of incorporation of the company or the putative proper law of the contract?

Ratio Decidendi

The law governing issues of ostensible authority, ratification, and estoppel in the formation of international contracts containing a choice of law clause is the putative proper law of the contract (here, Irish law), unless it would be particularly unfair to the principal to apply that law. The law of the country of incorporation governs actual authority and capacity, but ostensible authority and ratification are determined by the law chosen in the contract, subject to exceptions for unfairness.

Court Disposition

Appeal dismissed; trial judge's approach affirmed