What Makes a Business Contract Unenforceable?

An unenforceable contract looks exactly like an enforceable one until someone tries to collect on it. The signatures are there, and then a court declines to apply the terms because the signer had no authority, the law required a writing that does not exist, the key term was left “to be agreed,” or the clause is one the state will not honor. Most of these defects are visible at the drafting stage, which is why our contract drafting and review practice checks for them before signature rather than after. Here are the ones that matter most for business agreements.

The elements a contract needs to exist

A contract requires an offer, an acceptance of that offer on its terms, consideration flowing in both directions, mutual assent to the same deal, parties with legal capacity, and a lawful purpose. The failures tend to be subtle.

Consideration is the usual weak point. Each side has to give or promise something of value. A promise to pay a bonus for work already completed is unsupported by consideration, because past performance cannot be exchanged for a new promise. A promise that one party can cancel at will, with no obligation of any kind, may be illusory and bind nobody. Contract modifications are a frequent casualty: a mid-project agreement to pay more for the same work can fail for lack of new consideration unless the agreement provides something extra in return or the governing law relaxes the rule, as it does for the sale of goods.

Mutual assent fails when the parties were agreeing to different things. Email exchanges and signed proposals can form contracts, and they can also show the parties never converged on the essential terms.

Signature, authority, and the statute of frauds

A contract signed by someone without authority to bind the company may not bind it. Actual authority comes from the company’s governing documents and resolutions; apparent authority comes from how the company has held that person out. On your side, keep signing authority clear and documented, which is part of what CLP’s corporate governance and internal policies team sets up. An entity that has been administratively dissolved for failing to file reports has its own capacity problems, which we cover in common business formation mistakes.

The statute of frauds requires certain contracts to be in a writing signed by the party to be charged. The categories matter in business: contracts that cannot be performed within one year, contracts for an interest in land including leases beyond a short term, promises to answer for another person’s debt such as a personal guaranty, and sales of goods above the threshold set by the Uniform Commercial Code. An oral three-year services agreement or an oral guaranty from a company’s owner is typically unenforceable. Electronic signatures satisfy the writing requirement, so the issue is never the format; it is the absence of any writing.

Terms too vague to enforce

Courts enforce bargains, not intentions. If the essential terms are missing or indefinite, there is nothing to enforce. An “agreement to agree,” where the parties commit to negotiate price or scope later, is generally unenforceable as to those terms. A letter of intent that says it is non-binding is non-binding; one that is silent may be argued either way.

What counts as essential depends on the deal. For services, scope, price, and duration. For a lease, premises, rent, and term. For the sale of goods, quantity, because the UCC allows a court to fill in a reasonable price and delivery terms but not how much was sold. Our checklist of which clauses every business contract needs is built around closing these gaps before they become indefiniteness arguments.

Illegal, unconscionable, or against public policy

A contract to do something unlawful is void. The more common commercial version is a contract that requires a license the party does not hold; an unlicensed contractor may be unable to sue for payment at all.

Restrictive covenants are the live example in employment and sale-of-business agreements. Enforceability of a noncompete is a matter of state law, and the states where we practice differ. Virginia bars noncompetes for lower-wage employees by statute. The District of Columbia bars them for most employees earning below a compensation threshold and restricts them above it. New York enforces noncompetes only where they are reasonable in duration, geography, and scope and protect a legitimate interest. The federal rule that would have banned most noncompetes nationwide was blocked in court and, as of this writing, is not in effect; our post on the FTC’s noncompete rule and what business owners should know tracks that history. An overbroad covenant may be struck entirely, or narrowed, depending on the state and the drafting.

Unconscionability is the catch-all: a clause so one-sided, and imposed under circumstances so unequal, that a court refuses to apply it. A liquidated damages provision is enforceable if it is a reasonable estimate of hard-to-measure loss, and unenforceable if it is a penalty designed to punish breach.

Defects in consent: fraud, duress, and mistake

A contract induced by a material misrepresentation can be rescinded by the deceived party. Duress requires an improper threat that left no reasonable alternative; hard bargaining does not qualify. Mutual mistake about a basic assumption, such as both parties believing a piece of equipment existed when it had already been destroyed, can void the agreement. A unilateral mistake rarely does, unless the other party knew of it.

These defenses are fact-heavy. The documentary record usually decides them, which is why our commercial litigation and dispute resolution team asks for the full correspondence file before advising on any of them.

Keeping your contracts enforceable

The prevention list is short. Put every significant agreement in writing and get it signed by someone with documented authority, on behalf of an entity in good standing. State the essential terms completely and define the words that carry weight. Draft restrictive covenants to the governing state’s limits rather than to the most aggressive form available. Pair any liquidated damages with a stated rationale. Include a governing law clause so the enforceability rules are predictable, and a severability clause so one bad provision does not take the rest down with it. Then keep the negotiation file; when enforceability is challenged, that history is the evidence.

If you are relying on a contract that may have one of these defects, or you want the agreements you sign going forward to survive a challenge, Capitol Law Partners can review and redraft them. Schedule a consultation.

This article is for informational purposes only and does not constitute legal advice. No attorney-client relationship is formed by this communication.

Attorney Cagatay Ersoy. Practical strategy for founders, investors, and growing companies.

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