Gilsan v Optus [2004] NSWSC 1077

Gilsan v Optus [2004] NSWSC 1077

The measurement and calculation of sums due under the Optus-Gilsan agreement must be governed by the actual (including confidential) division of accounting rates in force at the relevant time, not only those specified in disclosed tripartite agreements. No variation or implied agreement authorised Optus to deduct a fixed USD amount as its fee contrary to the contract terms. Unconscionable or misleading conduct was not established as key information affecting Gilsan's decision-making was disclosed. Gilsan's change of position in disbursing funds to service providers and reliance on receipts bars restitution claims by Optus. The claim for exclusivity fails due to termination of the source...

Parties
Plaintiff: Gilsan (International) Limited; Defendant: Optus Networks Pty Limited
Jurisdiction
Australia
Judgment Date
26 November 2004
Procedural Posture
Commercial Dispute / Trial Judgment
Outcome
Claims and cross-claims determined in part for each party; reserved calculation of monetary sums and interest. Parties to make further submissions/orders.
Legal Topics
Parol Evidence Rule, Contract Formation, Frustration, Unconscionable Conduct, Misleading and Deceptive Conduct, Unjust Enrichment, Quantum Meruit, Change of Position, Measurement of Contract Price, Set Off

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Parties

Gilsan (International) Limited

Plaintiff

Optus Networks Pty Limited

Defendant

Procedural Posture

Commercial Dispute / Trial Judgment

  1. 1 Construction of 'origination charge' under agreement; must payment be by 'tripartite' or actual (including confidential) agreement?
  2. 2 Was there an agreement or estoppel regarding Optus fee calculation in USD?
  3. 3 Was payment obligation to Gilsan measured by minutes declared by Optus or another method?

Ratio Decidendi

The measurement and calculation of sums due under the Optus-Gilsan agreement must be governed by the actual (including confidential) division of accounting rates in force at the relevant time, not only those specified in disclosed tripartite agreements. No variation or implied agreement authorised Optus to deduct a fixed USD amount as its fee contrary to the contract terms. Unconscionable or misleading conduct was not established as key information affecting Gilsan's decision-making was disclosed. Gilsan's change of position in disbursing funds to service providers and reliance on receipts bars restitution claims by Optus. The claim for exclusivity fails due to termination of the source...

Court Disposition

Claims and cross-claims determined in part for each party; reserved calculation of monetary sums and interest. Parties to make further submissions/orders.

Orders

  • Issues on quantum, set-off, interest, currency, and certain sums reserved for further submissions and calculation.
  • Proceedings stood over to enable parties to address final orders.