Kinross Gold Corporation v. Cyanco Company
Kinross Gold Corporation
Round Mountain Gold Corporation
KG Mining (Bald Mountain) Inc.
Cyanco Company, LLC

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.

Court of Appeal for Ontario
COA-23-CV-0885
Corporate & commercial law
$ 150,000
Respondent