General Rules of Contract Interpretation
Interpretation is about figuring out what the parties' words mean, and the tested rules split into two clusters: how courts treat clear versus ambiguous language, and how the
10. General Rules of Contract Interpretation
Courts will enforce contract terms as articulated by the parties.
- Test-takers should understand the importance of contract language, especially when terms are put in a record.
- Courts that apply the “plain meaning rule” will enforce terms that are clear and unambiguous. Those courts will not consider extrinsic evidence to vary the meaning of a clear and unambiguous term.
- If language is ambiguous, all courts will consider relevant extrinsic evidence to resolve the ambiguity.
- A court will also consider whether a meaning is sensible in light of the agreed exchange.
- Relevant evidence of meaning includes evidence that establishes a usage of trade, a course of dealing, or a course of performance.
- [A “usage of trade” or “trade usage” is a practice or way of doing business that is regularly followed in a particular location, profession, or trade, so that parties would reasonably expect it to apply to a contract between them.]
- [A “course of dealing” is a pattern of conduct from previous transactions between the parties that creates a shared understanding for interpreting their expressions in a contract.]
- [A “course of performance” is a pattern of conduct by the parties while carrying out a contract that creates a shared understanding for interpreting the contract.]
- [Express terms prevail over course of performance, course of dealing, and usage of trade.]
- Parties’ expressions regarding the existence or terms of a contract are usually interpreted using an objective standard.
- If parties attach different meanings to an expression, the more reasonable meaning prevails.
- This objective principle, however, is qualified. If a party attaches an unreasonable meaning to a term, but the other party knows or has reason to know of this, a court will give effect to the unreasonable meaning.
Under the plain meaning rule, a clear and unambiguous term keeps extrinsic evidence out in courts that apply it, while an ambiguous term lets relevant extrinsic evidence in everywhere. When meanings clash, the more reasonable meaning prevails unless one party knew of the other's meaning.
Interpretation is about figuring out what the parties' words mean, and the tested rules split into two clusters: how courts treat clear versus ambiguous language, and how the objective standard handles a clash of meanings. Start with the plain meaning rule. Courts that apply it will enforce terms that are clear and unambiguous, and those courts will not consider extrinsic evidence to vary the meaning of a clear and unambiguous term. Notice the qualifier "courts that apply" it: the plain meaning rule is a court-by-court approach, not a universal. But once language is ambiguous, all courts will consider relevant extrinsic evidence to resolve the ambiguity. So the dividing line is clarity: clear term plus a plain-meaning court equals no extrinsic evidence; ambiguous term equals extrinsic evidence everywhere. A court will also consider whether a proposed meaning is sensible in light of the agreed exchange.
- 1Usage of trade: a practice regularly followed in a location, profession, or trade that parties would expect to apply.
- 2Course of dealing: a pattern from the parties' previous transactions.
- 3Course of performance: a pattern of how the parties carried out this very contract.
These help interpret terms, but they do not override what the parties actually wrote: express terms prevail over course of performance, course of dealing, and usage of trade, in that pecking order. Then the objective standard. Parties' expressions about the existence or terms of a contract are usually interpreted objectively. If the parties attach different meanings to an expression, the more reasonable meaning prevails. But the objective principle is qualified by a knowledge exception: if one party attaches an unreasonable meaning to a term and the other party knows or has reason to know of that meaning, the court will give effect to the unreasonable meaning. So the party who knows what the other side really meant cannot hide behind the objectively reasonable reading.
In a plain-meaning court, you cannot bring in extrinsic evidence to vary a term that is already clear and unambiguous. Extrinsic evidence opens up only once the term is ambiguous.
"Clear blocks, ambiguous opens."
Under the plain meaning rule a clear term keeps extrinsic evidence out; an ambiguous term lets it in, in every court.
Three interpretive aids, in rank: a usage of trade, a course of dealing, a course of performance, but express terms beat all three.
Objective standard, two beats: different meanings, the more reasonable one wins; unless one party knew or had reason to know the other's unreasonable meaning, and then the unreasonable meaning is enforced.
Throwaway move that loses: trying to bring in extrinsic evidence to vary a clear term in a plain-meaning court.
Two parties sign a record for the sale of "chickens." The seller ships older stewing birds; the buyer expected young broilers and refuses them. The word "chicken" is genuinely capable of both meanings, so the term is ambiguous.
Suppose instead the parties used a term that is clear and unambiguous, and the case is in a court that applies the plain meaning rule. That court will enforce the clear term and will not let either side bring in extrinsic evidence to vary its meaning. And separately, on the knowledge exception: if the seller knew the buyer was using "chicken" in the broiler sense, even an objectively less reasonable sense, the court will give effect to the buyer's meaning, because the seller knew or had reason to know of it.
An answer that admits extrinsic evidence to vary a clear, unambiguous term in a plain-meaning court, or one that triggers extrinsic evidence on something other than ambiguity.
Plain-meaning courts will not consider extrinsic evidence to vary a clear term; ambiguity is the trigger for extrinsic evidence.An answer that says differing meanings void the contract for lack of mutual assent, or that lets the performing party pick the meaning.
Under the objective standard the more reasonable meaning prevails; differing meanings do not automatically void the contract.An absolute: a trade usage or course of dealing always controls, the more reasonable meaning always wins, or extrinsic evidence is never admissible.
Express terms prevail over all three aids, and the objective standard is qualified by the knowledge exception.An answer that enforces the objectively reasonable meaning even though one party knew the other attached a different, unreasonable meaning.
If a party knows or has reason to know of the other's meaning, the court gives effect to that meaning.A true but irrelevant fact, such as the writing looking complete or the parties being sophisticated, offered to keep out interpretation of an ambiguous term.
Ambiguity controls whether extrinsic evidence comes in to interpret, not the writing's apparent completeness or the parties' sophistication.a dispute over what a contract term means, with the stem stressing either (a) whether a term is clear or ambiguous and whether a court should look outside the writing, or (b) that the two sides understood a word differently, sometimes with a note that one side knew what the other meant.
sort clear from ambiguous: a clear term in a plain-meaning court keeps extrinsic evidence out; an ambiguous term lets it in everywhere.
Then, if meanings clash, apply the objective standard: the more reasonable meaning wins, unless one party knew or had reason to know of the other's meaning, in which case that meaning controls.
And remember the rank of aids: express terms beat course of performance, which the stem may try to invert.
A landscaping company and a property owner signed a record requiring the company to plant "mature trees" along a driveway. The phrase was clear and unambiguous as the parties used it, and the case arose in a court that follows the plain meaning rule. After a dispute, the owner sought to introduce testimony about side conversations during negotiation to give "mature trees" a narrower meaning than the words plainly carried.
Will the court most likely admit the owner's testimony to vary the meaning of the term?
A grower and a packer signed a record to buy and sell a quantity of "number one grade" produce, a phrase that turned out to be genuinely capable of two different meanings in the parties' dealings. When the parties disagreed over which meaning applied, the packer offered evidence of a way of doing business regularly followed in their trade that would resolve which meaning was intended. The grower objected that nothing outside the four corners of the record should be considered.
Will the court most likely consider the offered trade-usage evidence?
A manufacturer and a distributor signed a record that expressly defined "prompt shipment" as shipment within ten days. In an earlier course of dealing between them, "prompt shipment" had meant shipment within thirty days, and the distributor pointed to that history to argue for the longer period. The record's express definition and the parties' prior course of dealing pointed to different deadlines, and the parties asked the court to choose between them.
Will the court most likely give effect to the ten-day definition in the record?
A buyer and a seller signed a record using a term that could reasonably refer to either of two different materials. The buyer attached one meaning and the seller attached the other, and on the facts the buyer's meaning was the more reasonable of the two. Neither party knew or had reason to know that the other was using a different meaning. When the materials delivered did not match what the buyer expected, the parties disputed which meaning the term carried.
Will the court most likely give effect to the buyer's meaning?
A supplier and a retailer signed a record using a term that the retailer understood in an unusual sense that was, objectively, the less reasonable of the two possible meanings. The supplier knew at the time of contracting that the retailer was using the term in that unusual sense, but the supplier said nothing. When a dispute arose, the supplier argued that the court should enforce the objectively more reasonable meaning rather than the retailer's unusual one.
Will the court most likely give effect to the retailer's unusual meaning?