O'Callaghan v O'Callaghan and Ors (Approved) [2026] IEHC 254 (28 April 2026)

O'Callaghan v O'Callaghan and Ors (Approved) [2026] IEHC 254 (28 April 2026)

The arbitration agreement in the Shareholders' Agreement is valid and binding; the plaintiff failed to establish that it is null and void independently of the main agreement. All disputes except the penthouse claim arise out of or in connection with the Shareholders' Agreement and must be referred to arbitration under Article 8(1) of the UNCITRAL Model Law.

Citation
[2026] IEHC 254
Parties
Plaintiff: Noel O'Callaghan; First Defendant: Paul O'Callaghan; Second Defendant: Charles O'Callaghan; Third Defendant: Saira Company Dublin Unlimited Company; Fourth Defendant: Sherborough Development Company Unlimited Company
Jurisdiction
Ireland
Judgment Date
28 April 2026
Procedural Posture
Commercial Court Application to Stay Proceedings and Refer to Arbitration / Judgment on Motion to Stay Proceedings and Refer Disputes to Arbitration Under Article 8(1) of the UNCITRAL Model Law
Outcome
Application granted in part
Legal Topics
Arbitration Agreement Validity, Scope of Arbitration Clause, Misrepresentation, Shareholders' Agreements, Corporate Control, Specific Performance, Damages
Arbitration Company Law Contract Law Arbitration Agreement Validity Scope of Arbitration Clause Misrepresentation Shareholders' Agreements Corporate Control +2 more

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Parties

Noel O'Callaghan

Plaintiff

Paul O'Callaghan

First Defendant

Charles O'Callaghan

Second Defendant

Saira Company Dublin Unlimited Company

Third Defendant

Sherborough Development Company Unlimited Company

Fourth Defendant

Procedural Posture

Commercial Court Application to Stay Proceedings and Refer to Arbitration / Judgment on Motion to Stay Proceedings and Refer Disputes to Arbitration Under Article 8(1) of the UNCITRAL Model Law

Legal Issues

  1. 1 Whether the arbitration agreement in the Shareholders' Agreement is valid and binding
  2. 2 Whether the disputes in the proceedings fall within the scope of the arbitration agreement
  3. 3 Whether the Shareholders' Agreement and Capital Variation Agreement are void for misrepresentation

Ratio Decidendi

The arbitration agreement in the Shareholders' Agreement is valid and binding; the plaintiff failed to establish that it is null and void independently of the main agreement. All disputes except the penthouse claim arise out of or in connection with the Shareholders' Agreement and must be referred to arbitration under Article 8(1) of the UNCITRAL Model Law.

Court Disposition

Application granted in part

Orders

  • All disputes between the plaintiff and defendants, except the penthouse claim, are stayed and referred to arbitration under the arbitration agreement.
  • The penthouse claim may proceed before the High Court.