117 F. 99 (9th Cir. 1902)
The case of Alaska Packers' Ass'n v. Domenico is pivotal in the field of contract law, particularly on the enforceability of modifications made to existing contracts.
Can a contract modification be enforced if the sole consideration for the modification is a party's pre-existing duty?
A promise to perform a pre-existing contractual duty is not valid consideration for a new promise; thus, any contract modification relying solely on such a promise lacks enforceability.
The court held that the contract modification was unenforceable. The workers had a pre-existing duty to perform the work at the originally agreed price, and their refusal to do so unless paid more did not constitute new consideration for the modification.
This case significantly impacts the doctrine of contract modifications by asserting the importance of consideration in altering contractual duties. Law students learn from this case the pre-existing duty rule's vital role in protecting contractual integrity and guarding against extortionate practices. This case serves as a cautionary tale of how power imbalances in contract negotiations can lead to legal disputes over the enforceability of those agreements.