How to Tell a Client They Missed a Court Deadline

15 October 2026·4 min read

Quick answer: When a client's own delay — missing documents, unreturned instructions, an unsigned affidavit — puts a court deadline at risk, the right move is to flag it early, directly, and in plain terms, ideally by phone first and always followed up in writing. State the fact, the consequence, and exactly what's needed and by when. Avoid vague language and avoid burying it in a long email. This is general, illustrative guidance only, not a substitute for the firm's own processes. 📈

Every litigator knows this moment: a deadline is close, the client hasn't sent through what's needed, and someone has to make the call. 💖 Done badly, it reads as blame and panics the client. Done well, it reads as exactly what it is — a heads-up from someone managing the matter properly, with enough time left to actually fix it.

Please note: general information, not legal advice — check current official guidance before relying on it. Every court, jurisdiction and matter has its own rules around deadlines and extensions.

What most firms get wrong

The most common mistake is waiting too long to raise it, usually out of a reluctance to seem like a nag, until there's genuinely no time left to fix anything. The second is being too vague — a soft "just a reminder we still need those documents" doesn't convey that an actual court deadline is at risk, so it gets the same level of urgency as any other email in the client's inbox. The result is the same conversation happening later than it should, with fewer options on the table.

A script for the call

Open directly: "I need to flag something time-sensitive with you — it won't take long."

State the fact: "We're required to file [document] by [date]. I still need [specific item] from you to do that, and I haven't received it yet."

State the consequence plainly: "If we don't have it by [realistic internal deadline, earlier than the real one], there's a real risk we either miss the court deadline or have to ask for an extension, which isn't guaranteed to be granted."

State what's needed now: "What I need from you specifically is [exact item], by [time/date]. Is there anything stopping you from getting that to me?"

Confirm in writing afterwards: "Following up on our call — to recap, I need [item] by [date] to meet the [date] court deadline. Let me know if anything's unclear or if you're having trouble getting this together, the earlier the better."

Litigation client: A client hasn't returned a signed affidavit ahead of a filing deadline. The call focuses on exactly what's blocking the signature — unclear content, simple delay, travel — because the fix is often faster than it looks once named.

Family law client: A client hasn't provided financial disclosure documents ahead of a court-ordered date. Because this can affect the other side's rights too, the consequence of missing it is explained clearly rather than softened — including that the court can draw its own conclusions from a failure to disclose.

Commercial client: A client hasn't given instructions on whether to accept or reject a without-prejudice offer before it expires. The call makes clear that no instructions by the deadline effectively becomes a decision by default, which the client may not have intended.

Documenting it properly

Every version of this conversation should leave a paper trail: a file note of the call with the date, what was said, and what was agreed, followed by a short email to the client confirming the same thing. Keep the tone factual rather than accusatory — the goal is a clear record of what was communicated and when, not a point-scoring exercise. If an extension is genuinely needed, that's its own separate conversation about options, likelihood, and next steps, and it should happen as early as possible rather than after the deadline has already passed.

💡 Set internal deadlines earlier than the real ones. Telling a client "I need this by Wednesday" when the actual court deadline is Friday builds in a buffer for exactly this kind of follow-up call, instead of discovering the gap with no runway left.

Mistakes to avoid

Assuming the client understands the legal consequence of a missed deadline without spelling it out.
Delivering this news only verbally, with no written follow-up for the file.
Using vague language that doesn't convey genuine urgency.
Skipping the "here's what we can still do" part and leaving the client with nothing but bad news.
Letting a junior team member deliver this call without context on tone or the options available.

Frequently asked questions

What if the client still doesn't provide what's needed in time?

Sometimes there genuinely isn't a remedy, and that needs to be said honestly rather than softened — depending on the matter, consequences can include the court proceeding without the missing material, cost orders, or in serious cases a claim being struck out. This is general and illustrative; actual consequences depend entirely on the jurisdiction, the court, and the specific order in question.

Should this conversation happen by phone or email first?

Phone first where possible, so tone and urgency come through and questions can be answered immediately, followed by a written summary for the file. Email alone can be skimmed or missed entirely when time is tight.

Can we always get a court extension if a client is the one who's delayed?

No — extensions are not guaranteed, and some courts take a firm line on deadlines regardless of the reason for delay. That honest limitation is worth naming to the client rather than implying an extension is a safety net.

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Written by

Kate, founder of Chronically Online

I help Gold Coast and Brisbane businesses grow with branding, websites and marketing that actually works.

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