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Kinross Gold Corporation v. Cyanco Company

Key Points:

A. Overview:

  • Kinross is a global gold mining company operating mines in Nevada.
  • Cyanco supplies sodium cyanide, a crucial chemical in gold mining.

B. The Dispute:

  • Kinross sought to procure solid sodium cyanide for its mines, prompting Cyanco to claim its contractual right to be the sole supplier of liquid sodium cyanide.
  • Kinross filed for a declaration that the contract covered only liquid sodium cyanide, not solid.

C. The Trial Judge’s Reasons:

  • Decision: The trial judge ruled in favor of Cyanco, obligating Kinross to purchase exclusively from Cyanco.
  • Interpretation: The term "Product" included all forms of liquid sodium cyanide, not just specific concentrations.

D. Issues on Appeal:

  1. Misinterpretation of "liquid sodium cyanide."
  2. Ignoring surrounding circumstances.
  3. Failing to consider related contracts.
  4. Misapplying commercial reasonableness.

E. Analysis:

  • Standard of Review: Based on mixed fact and law, reviewed for palpable and overriding error.
  1. Consistent Meaning: The trial judge properly interpreted "liquid sodium cyanide" to include various concentrations.
  2. Surrounding Circumstances: The judge considered all evidence and surrounding circumstances.
  3. Related Contracts: The contracts involved different entities and had an “entire agreement” clause.
  4. Commercial Reasonableness: The judge assessed reasonableness objectively, considering both parties' perspectives.

F. Disposition:

  • The appeal was dismissed.
  • Costs: The respondent was awarded $150,000 in costs.

This case highlights the importance of precise contractual language and the consideration of industry practices and surrounding circumstances in contractual disputes.

Kinross Gold Corporation
Round Mountain Gold Corporation
KG Mining (Bald Mountain) Inc.
Cyanco Company, LLC
Court of Appeal for Ontario
COA-23-CV-0885
Corporate & commercial law
$ 150,000
Respondent