When a client disputes attorney fees, the bill stops being a collection task and becomes a conversation. Many disputes come down to a few entries the client didn’t expect or understand. Handled quickly and in writing, most of those can be settled without hurting the relationship. This guide walks through the steps, with an email your firm can adapt.
What should a law firm do when a client disputes a legal bill?
Pause follow-up on the disputed invoice the same day. Write down exactly what the client is questioning. Have the billing attorney review those entries against the engagement letter and respond in writing within a few business days, then offer a call. If the two sides still can’t agree, a bar fee arbitration or mediation program is often the next step.
Step 1: Pause follow-up on the disputed invoice
Stop reminders on the invoice in question right away, and note the pause in the billing system so nobody sends one by mistake. The billing attorney can decide whether to pause the client’s other invoices as well. A reminder that lands after a client has raised a question reads as if nobody listened.
Step 2: Get the client’s question in writing
Ask which entries or charges the client is questioning, and why. Specific questions are easier to answer. “Two calls on March 4” can be checked. “The bill is too high” can’t, so ask a follow-up question until it can be.
Step 3: Review the entries against the engagement letter
Compare the disputed entries with the fee agreement, the time records and any estimate the client received. ABA Model Rule 1.5 requires fees and expenses to be reasonable, and comment 2 notes that a written statement of the terms “reduces the possibility of misunderstanding” (ABA). Look for the usual causes:
- Block-billed entries that hide what was done.
- Abbreviations the client can’t read. The ABA’s GPSolo division recommends fully itemized invoices and spelling out acronyms (ABA, 2022).
- Rate changes the client wasn’t told about.
- Expenses the client didn’t expect.
- Small charges that should have been held for the next bill.
Step 4: Respond in writing, then offer a call
A written reply gives the client something to read twice and gives the firm a record. Keep it specific to the entries raised, and offer a call with the billing attorney.
Template: Same-day acknowledgment
Subject: Your question about the [Month] statement Hi [First name], Thank you for letting us know. We have paused reminders on this invoice while [Attorney name] reviews the charges you asked about. You’ll hear back from us by [date]. Thank you, [Name], [Firm name]
Template: Dispute response email
Subject: Following up on your [Month] statement Hi [First name], Thank you for your patience. [Attorney name] reviewed the entries you asked about: [Entry date and description]: [plain explanation of the work, or the correction we are making] [Entry date and description]: [plain explanation or correction] [If adjusting: We have reduced the invoice by [amount]. The updated balance is [amount], and a corrected statement is attached.] [If not adjusting: We believe these charges are correct, and we’re glad to walk through them with you.] Would a short call this week help? [Attorney name] is available [times]. When you’re ready, the balance can be paid at [payment link], and we can set up a payment plan if that would help. Thank you, [Name], [Firm name]
Step 5: Adjust, explain, or arbitrate
There are three usual outcomes: correct an error, explain and stand by the charges, or agree on a compromise. Record which one it was and resume normal follow-up only after the client has the answer.
If the two sides can’t agree, bar programs exist for exactly this. ABA Model Rule 1.5 comment 9 says a lawyer must comply with a mandatory bar fee dispute procedure and should conscientiously consider a voluntary one. The ABA describes these programs as often costing nothing or only modest charges (ABA). Ask your state or local bar association which program covers your firm.
What not to do during a fee dispute
Avoid anything that turns a question into a standoff.
- Don’t keep sending reminders on the disputed invoice.
- Don’t argue on a collection call. Pass the question to the billing attorney.
- Don’t threaten criminal or disciplinary action to get paid. That kind of threat can raise ethics problems of its own, so check your state’s rules.
- Don’t refer a disputed balance to an agency. See what to know before using a legal fees collection agency.
- Don’t discuss the dispute with anyone other than the client.
How to prevent the next dispute
Clear terms up front and readable invoices prevent many fee complaints. ABA Model Rule 1.5 comment 2 notes that a written statement of the fee terms reduces the possibility of misunderstanding (ABA). Bill on a fixed schedule, itemize every invoice, tell clients about rate changes in writing, and send the first reminder the day after the due date, as our guide to collecting unpaid legal fees explains.
Fee dispute checklist
- Follow-up paused on the disputed invoice the same day.
- The client’s specific questions written down.
- Entries reviewed by the billing attorney against the engagement letter.
- A written response sent by the promised date.
- A call offered.
- Any adjustment reflected in a corrected invoice.
- The outcome logged in the client file.
- Fee arbitration considered if the dispute stays open.
ARCounsel is a done-for-you accounts receivable follow-up service for law firms that connects read-only to QuickBooks Online, LeanLaw and Clio. When a client raises a question about a bill, its AR specialists stop outreach on that account and flag it to the firm right away, so the billing attorney handles the conversation.
Frequently asked questions
Should a firm keep sending reminders while a bill is disputed?
Not on the disputed invoice. Pause reminders the same day, answer the question in writing, and resume only once the client has the answer. The billing attorney can decide whether other invoices should pause too.
What is fee arbitration?
A bar association program in which a neutral panel decides a fee dispute between a lawyer and a client. Some programs are mandatory for lawyers once a client asks, and others are voluntary. Check your state and local bar’s rules.
Who runs fee dispute programs?
Many state and local bar associations run fee arbitration programs for lawyers and clients. The ABA notes that these programs often cost nothing or charge only modest fees. Ask your state or local bar which program covers your firm.
A note on ethics rules. Rules on fee collection vary by state, including when a firm may charge interest on a late bill or refer an account to a collection agency. Check your state’s rules of professional conduct and ethics opinions, or ask your ethics counsel, before setting a collection policy. This article is general information, not legal advice.
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