Mayne Pharma Recovers $14.4M in Legal Costs as Cosette Appeal Awaits Judgment
Mayne Pharma (ASX: MYX) has received $14.4 million from Cosette Pharmaceuticals following a Supreme Court costs order, marking a key milestone in the Mayne Pharma Cosette legal settlement — though a pending Court of Appeal decision keeps the matter unresolved.
Key Takeaways
- Mayne Pharma received $14,410,714.49 from Cosette Pharmaceuticals on 5 June 2026, covering assessed legal costs, interest, and costs of the costs application.
- The payment follows the October 2025 Supreme Court judgment that dismissed all of Cosette's claims and ordered an adverse costs award against Cosette.
- Cosette filed an appeal against the October 2025 judgment in January 2026, with the Court of Appeal hearing held on 2–3 June 2026 and a decision currently reserved.
- The original dispute stems from Cosette's purported termination of a Scheme Implementation Deed signed between the two parties in February 2025.
- The Court of Appeal decision remains a material pending event for investors, with no stated timeline for when the judgment will be delivered.
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