This Blog explores the vital importance of how contracts are interpreted and the dangers of unclear terms.
Unclear terms in contracts
Unclear or poorly drafted contract terms are one of the most common causes of commercial disputes. Parties may believe they agreed the same thing, only to discover later that their interpretations differ when the contract is tested in practice.
These disputes often arise not because either party has acted unreasonably, but because the contract wording leaves room for doubt. When commercial pressure increases, those ambiguities can quickly become fault lines.
This article explains how unclear contract terms are treated in disputes, how courts interpret ambiguous wording, and when businesses should take advice to protect their position.
Interpretation of contracts – at a glance
Unclear contract terms frequently lead to disputes when parties interpret obligations differently. The court’s role is to determine what the contract objectively means, not what either party thought it meant.
- Courts consider the wording of the contract as a whole, alongside its commercial context.
- Emails, conduct, and past dealings may assist, but they rarely override clear contractual language.
Early legal advice helps businesses assess interpretation risk and avoid making assumptions that could weaken their position.
Why unclear contract terms often lead to disputes
Ambiguity creates uncertainty. Where contract terms are unclear, parties may operate on different assumptions without realising it.
This is particularly common in long-term commercial relationships, where informal practices develop alongside the written contract. Over time, those practices may drift away from the contractual wording.
Problems often surface when something goes wrong, such as non-payment, delay, or termination. At that point, each party looks to the contract to justify its position and discovers that the wording does not provide a clear answer.
How courts interpret unclear or ambiguous contract wording
Courts in England and Wales interpret contracts objectively. The question is not what either party intended, but what a reasonable person with the relevant background knowledge would have understood the words to mean.
- The starting point is the language of the contract itself.
- Courts consider the contract as a whole, rather than focusing on individual clauses in isolation.
Where wording is genuinely ambiguous, courts will consider which interpretation best aligns with the commercial purpose of the contract. However, courts will not rewrite a bad bargain simply because one party has made a poor commercial decision.
What role commercial context plays in contract interpretation
Commercial context can assist in interpreting unclear terms, but it has limits.
Context includes the background known to both parties at the time the contract was made. This may include the nature of the business, the purpose of the agreement, and how it fits within the wider commercial relationship.
However, context cannot be used to contradict clear contractual language. If the wording is unambiguous, the court will usually apply it, even if it produces an outcome that appears commercially unattractive.
Can emails, conduct, or past dealings clarify unclear terms?
Parties often rely on emails, conduct, or past dealings to support their interpretation of a contract.
- While these factors can sometimes assist, they are rarely decisive.
- Courts are cautious about relying on post-contract conduct to interpret contractual meaning, as this can be inconsistent or self-serving.
Emails and informal communications may be relevant where they demonstrate how the parties understood the agreement at the time it was made. However, they do not replace the written contract and may not carry significant weight if the contract wording is clear.
What happens if a contract term is genuinely ambiguous?
Where a term is genuinely ambiguous, the court may favour the interpretation that makes the most commercial sense.
In some cases, ambiguity may be resolved against the party responsible for drafting the clause, particularly where standard terms are involved. However, this is not a rule that can be relied upon in every case.
Ambiguity increases risk for both parties. It makes outcomes less predictable and often encourages settlement once the uncertainty is understood.
Should businesses rely on “common sense” interpretations?
Relying on common sense alone can be risky.
What appears obvious to one party may not align with how a court interprets the contract. Courts apply legal principles, not hindsight or subjective views of fairness.
Businesses should be cautious about acting on assumptions, particularly where significant sums or termination rights are involved. Acting on an incorrect interpretation can itself amount to a breach of contract.
When legal advice helps in disputes over contract meaning
Legal advice is particularly valuable where a dispute turns on contract interpretation.
Advice can help assess the strength of competing interpretations, identify relevant context, and evaluate litigation risk. It can also support negotiation by clarifying the range of likely outcomes.
Early advice often prevents disputes from escalating based on assumptions about what the contract means.
Final thoughts from our contract dispute team
Unclear contract terms create fertile ground for disputes. Understanding how courts interpret contracts helps businesses approach these disputes realistically and proportionately. Where ambiguity exists, careful analysis and early advice can reduce uncertainty and support sensible resolution.
Francis Wilks & Jones solicitors have been advising businesses and individuals resolve contract disputes since 2002. Our Business Disputes team regularly achieve successful outcomes for our clients, often in the most difficult of circumstances. Speak to one of our team today for immediate help.
- Andrew Carter is a highly experienced partner of 20 years and he heads up our business disputes team. Andrew regularly deals with all types of contractual claim and business dispute claims for over 20 years and has successfully dealt with hundreds of cases in his time.
- Gemma Newing is an experienced commercial litigation solicitor specialising in commercial contractual disputes and company disputes. She acts for a broad range of national and international clients, including SMEs, large corporations and high-net-worth individuals.
In addition to the above experts, we have a dedicated team of other solicitors at FWJ with experience advising directors and business owners on a range of different claims. Where needed on a claim, we have access to a trusted network of third party professionals such as accountants, tax advisers, valuers and barristers.
If you are still at the research stage, our Contract Disputes Guide explains the legal framework and dispute resolution options in more detail.
Andrew provided invaluable expertise and support with an insolvency case. It was a very worrying time and they gave succinct and expert advice in an empathetic manner.
A client with a contentious issue
Having called a few firms to discuss my case, FWJ’s initial response was by far the most personal and knowledgeable. Others felt like I was just another case on a conveyer belt of cases – concerned more about me signing their terms than having an initial conversation to understand the process. We got the best outcome and I wouldn’t hesitate to recommend them.
