Facts
- Belden Mining Co. contracted to deliver 10,000 tons of lead ore to Billing & Eilers’ smelting works in Leadville, Colorado, generally at 50 tons per day as conditions permitted.
- Title to each delivery passed to Billing & Eilers upon delivery, but the contract did not set a fixed price at delivery.
- After each 100 tons, the parties would assay the ore (or use an umpire if they disagreed), and the price depended on assay-determined contents; payment followed that process.
- Billing & Eilers dissolved; the contract and smelting business were sold and assigned to Billing, and Belden continued delivering ore to Billing.
- Billing later purported to assign the contract to Arkansas Valley Smelting Co., which acquired the works and business; Belden did not consent and refused further performance.
- Arkansas Valley sued Belden in federal circuit court in Colorado for breach; the court entered judgment for Belden, and Arkansas Valley sought Supreme Court review.
Issues
- Whether an executory, continuing ore-delivery contract with post-delivery price determination and delayed payment was assignable for future performance to a new buyer without the seller’s assent.
- Whether Belden’s continued deliveries to Billing after the partnership’s dissolution estopped Belden from denying the validity of Billing’s later assignment to Arkansas Valley.
Decision
- The Supreme Court affirmed judgment for Belden.
- The contract, as to future deliveries, was not assignable without Belden’s consent because it depended on the buyer’s identity, credit, and performance in the assay-and-payment process.
- Belden’s decision to continue performance after an internal transfer from the dissolved partnership to Billing did not estop Belden from rejecting a later assignment to an unrelated corporate assignee.
- Arkansas Valley therefore could not enforce the contract against Belden based on the purported assignment.
Legal Principles
- Contract rights are generally assignable when the promisor’s duty is simply to pay money or deliver goods and the contract shows no intent to restrict assignment.
- A party cannot be compelled to accept a substituted counterparty where performance involves personal confidence, credit, or responsibilities tied to the original promisee.
- Rights that are coupled with liabilities, or that arise from a relationship where the promisor relied on the promisee’s character, credit, or substance, are not transferable to a stranger without consent.
- Acquiescence in performance after a change within the original contracting enterprise does not, by itself, constitute consent to further assignments or create estoppel as to a later transfer to a different entity.
Conclusion
The Court held that an executory supply contract requiring repeated deliveries with post-delivery assaying and delayed payment depended on the buyer’s credit and trustworthiness, making it nonassignable for future performance without the seller’s assent; the seller was not estopped by having continued deliveries after an earlier internal transfer.