Hipgnosis Music Limited v Merck Mercuriadis & Ors

Hipgnosis Music Limited v Merck Mercuriadis & Ors

The proposed amendment was refused because it was too general, insufficiently particularised, lacked a real prospect of success, and would cause unfair disruption and prejudice to the Defendants at a late stage in proceedings.

Source-derived case information.

Parties
Claimant: Hipgnosis Music Limited; First Defendant: Merck Mercuriadis; Second Defendant: Hipgnosis Songs Fund Limited; Third Defendant: Hipgnosis Song Management Limited
Jurisdiction
England and Wales
Judgment Date
20 January 2026
Procedural Posture
Commercial / Ruling on Amendment Application Before Trial
Outcome
Amendment application refused
Legal Topics
Breach of Fiduciary Duty, Equitable Compensation, Amendment of Pleadings, Counterfactual Loss Assessment, IPO Process, Dishonest Assistance
Company Law Equity Civil Procedure Breach of Fiduciary Duty Equitable Compensation Amendment of Pleadings Counterfactual Loss Assessment IPO Process +1 more

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Parties

Hipgnosis Music Limited

Claimant

Merck Mercuriadis

First Defendant

Hipgnosis Songs Fund Limited

Second Defendant

Hipgnosis Song Management Limited

Third Defendant

Procedural Posture

Commercial / Ruling on Amendment Application Before Trial

  1. 1 Whether permission should be granted to amend Replies to Defences to plead a new counterfactual arrangement for equitable compensation
  2. 2 Whether the proposed amendment is sufficiently particularised and viable
  3. 3 Whether the late amendment would cause prejudice or disruption to trial preparation

Ratio Decidendi

The proposed amendment was refused because it was too general, insufficiently particularised, lacked a real prospect of success, and would cause unfair disruption and prejudice to the Defendants at a late stage in proceedings.

Court Disposition

Amendment application refused

Orders

  • Parties to cooperate in drawing up an appropriate form of order reflecting refusal of amendment