Also known as: principal purposes
Written by attorneys · grounded in primary & secondary sources — see below
2 senses
A party's central objective in entering a contract. When that objective is substantially frustrated without the party's fault by an event whose non-occurrence was a basic assumption, the party's remaining duties are discharged unless the contract or circumstances indicate otherwise.
The main objective the parties sought to achieve through their agreement. When ascertainable from the surrounding circumstances, that objective receives great weight in determining the meaning of ambiguous contractual language.
Each sense below has its own examples, sources, and questions.
A party's central objective in entering a contract. When that objective is substantially frustrated without the party's fault by an event whose non-occurrence was a basic assumption, the party's remaining duties are discharged unless the contract or circumstances indicate otherwise.
Select any source to read its text and confirm it supports the definition.
Highland Indemnity agreed to insure a unique sculpture only after completing an in-person appraisal at Samuel's gallery. A burst pipe destroyed the sculpture before any appraisal occurred. Because the parties' principal purpose of insuring that specific piece could no longer be achieved, Highland's duty to provide coverage is discharged.
Lopez contracted to buy a warehouse from Chen after both reviewed a zoning map showing residential use and tied the price to condominium conversion. An undisclosed printing error meant the parcel remained non-residential. Because the parties' principal purpose was defeated by a fact neither had reason to know, Lopez may avoid the contract.
A court examines whether an event destroyed the central objective the party sought to achieve and whether that event's non-occurrence was a basic assumption on which the contract rested. The frustration must be substantial and without the party's fault. If those elements are met, remaining duties are discharged unless the contract language indicates otherwise.
Supporting sources
No. The doctrine applies both to events occurring after formation under section 265 and to facts existing at formation that were unknown to the parties under section 266(2). In both settings the same test of substantial frustration of a basic assumption governs discharge.
The main objective the parties sought to achieve through their agreement. When ascertainable from the surrounding circumstances, that objective receives great weight in determining the meaning of ambiguous contractual language.
Select any source to read its text and confirm it supports the definition.
PixelForge and NimbusCloud signed a one-page agreement granting PixelForge lifetime access to a hosting platform. The parties' pre-contract emails and pitch decks showed their principal purpose was to secure ongoing service tied to NimbusCloud's infrastructure plans. A court gives that purpose great weight when choosing among competing readings of the term lifetime.
If the principal purpose can be ascertained from the surrounding circumstances, it receives great weight in choosing among possible meanings. Courts consider negotiations, related documents, and the overall transaction rather than reading words in isolation.
Supporting sources
A court may examine all surrounding circumstances, including pre-contract discussions, emails, pitch decks, grant applications, board minutes, and the parties' conduct. When those materials reveal a shared objective, that objective guides interpretation of ambiguous terms.
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Yes. When investor decks, board minutes, and business plans present genuinely mixed priorities, no single principal purpose emerges with sufficient clarity to control interpretation. The term remains open to any commercially reasonable reading consistent with the circumstances.
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