Expert witness pay: the rates, who pays for each hour, and how to collect

Expert witness pay is hourly, and the most recent public medians from SEAK's 2024 Survey of Expert Witness Fees are $450 an hour for file review and preparation, $475 for depositions and $500 for testifying in court. What you actually collect depends on four things the medians hide: your field, whether you took a retainer, who is paying for each hour, and how quickly you invoice. This post covers each of them, plus the one fee arrangement you should never accept and how the income is taxed.

If you are still deciding whether to do this work at all, start with how to become an expert witness, which covers Rule 702, the CV and cross-examination. This post assumes you have said yes to the work and want to get paid for it.

1. Quote three hourly rates, one for each kind of work

Set separate rates for review, deposition and trial, because that is how lawyers compare experts and how the published numbers are split. The SEAK survey of more than 1,600 expert witnesses found each step pays a little more than the one before: $450, then $475, then $500 at the median (SEAK). The free page gives only these overall medians; SEAK says its full report has fee data for over 250 specialties. Read the medians as a starting point, not a price list.

Charge more for deposition and trial than for review. Those hours are spent under oath, with an opposing lawyer trying to take your opinion apart, and they are harder to schedule around your day job.

Raising your rates is normal. In the same survey, 68% of experts had raised their rates in the last five years, and only 1% of those said it backfired. If you have not changed your fee schedule since your first case, that is a sign it is time.

Short version: pick three numbers, put them in writing, and raise them every few years.

2. Check whether your field has a published fee schedule, because some work pays a set rate

In a few areas the government sets the price, and the schedule is public. These are worth knowing even if you never take that work, because they show you the floor and the shape of a fee schedule written by someone other than you.

The last row is the one to remember. If someone subpoenas you about a matter you happened to see, rather than retaining you as an expert, the statutory fee is $40 a day. Get retained in writing before you give opinions, so your time is paid at your rate.

Take court-funded criminal defense work only if you are comfortable inside a fixed budget. A $3,000 case cap at $450 an hour is under seven hours, which is about one careful read of a file and a short call.

3. Take a retainer before you open the file

Ask for a retainer, paid before you start, and bill your hours against it. SEAK's guide to drafting an expert retention agreement, written by Steven Babitsky and James Mangraviti, lawyers at a company that sells an expert retention contract, recommends:

• A non-refundable retainer, so a lawyer cannot hire you only to keep you away from the other side without paying for your time.
• Payment in full before you issue a report or give testimony.
• Interest and attorneys' fees on late invoices.
• Cancellation fees for last-minute cancellations.
• Retaining counsel responsible for your deposition fees, which SEAK says protects you if a court cuts your fee as unreasonable.

In SEAK's 2024 survey, 64% of experts require the retaining lawyer to sign a retention agreement (SEAK). Be in that group. The retainer agreement post explains the kinds of retainer, and the consulting agreement post covers the clauses any consulting contract shares.

Here is a made-up example. Grace is a forensic accountant who has spent 15 years tracing money through restaurant franchise books, and who owns more highlighters than most stationery shops. She quotes $450 an hour for review, $500 for deposition and $550 for trial, and asks for a $4,500 retainer, which is ten hours of review. When the retainer is used up, she sends an invoice for the next ten hours and pauses work until it is paid. She never issues her report while an invoice is outstanding.

4. Bill the other side for your deposition time, including preparation

When the opposing party deposes you, they pay for it. Federal Rule of Civil Procedure 26(b)(4)(E) says that unless "manifest injustice would result," the court must require the party seeking discovery to "pay the expert a reasonable fee for time spent in responding to discovery."

Bill your preparation time too. In Miller v. Sawant, decided August 22, 2024, the Ninth Circuit held that reasonable deposition preparation fees are recoverable under Rule 26, joining the Fifth, Sixth, Seventh and D.C. Circuits. One expert in that case billed 2.5 hours of preparation at $250 an hour and 1.5 hours of testimony at $495 an hour, a total of $1,367.50.

The same case shows why you still want a backstop. The deposing side refused to pay. The party that had retained the experts covered the bills and then went to court to compel payment. So put both of these in your agreement:

1. Your deposition rate, and that preparation time is billed at your review rate.
2. That the retaining firm pays your deposition invoice if the other side has not paid within 30 days, and recovers it from them.

The second clause matches SEAK's advice above, and it means your invoice is never the subject of a motion you have to wait on.

Keep the rate defensible. The rule says "reasonable," so a court can cut a fee that looks out of line with your field. A deposition rate a little above your review rate is easy to defend. A deposition rate three times your review rate invites a motion.

5. Never accept a fee that depends on the outcome

Turn down any fee tied to winning, to the size of a settlement or to what you say. Comment [3] to ABA Model Rule 3.4 says "it is not improper to pay a witness' expenses or to compensate an expert witness on terms permitted by law," and that the common law rule in most jurisdictions is that "it is improper to pay an expert witness a contingent fee." That wording is quoted in a 1998 opinion, Colorado Bar Formal Opinion 103, which notes Colorado's rule and comment track the Model Rule identically. Your state's version may be worded differently, so ask the retaining lawyer for the rule where the case is filed. The rule itself bars a lawyer from offering "an inducement to a witness that is prohibited by law."

The same opinion quotes the older Model Code language, which allowed "a reasonable fee for the professional services of an expert witness" and barred pay "contingent upon the content of his testimony or the outcome of the case." A contingent fee hurts you as well as the lawyer: on cross-examination, it is the first thing the jury hears about your motives.

Watch for the disguised version. A plaintiff's firm that says "we'll pay your bills when the case settles" is offering you a fee that only arrives if the case produces money. Ask for the retainer instead. If the firm cannot fund one, it is telling you something about how your later invoices will go.

6. Invoice the law firm, monthly, and refuse "the client is solely responsible"

Send itemized invoices every month, addressed to the law firm that retained you. Steven Babitsky of SEAK warns about agreements that make the client solely responsible for your fees: you then have little recourse against the firm, which did not promise to pay, and little against the client, who never signed your agreement. His advice is to refuse to sign that clause, and he says firms often strike it and agree to pay.

Make paying you easy. SEAK's survey found 65% of experts accept ACH or wire transfers, 25% accept credit cards and 33% use electronic invoicing (SEAK). Bank transfer is the one to offer first, because it is cheap and the firm's accounts team already uses it.

Each invoice should list the date, the task, the time to a tenth of an hour and the rate; the consulting invoice template post has a layout for hourly work. Your bills can be shown in discovery, because Rule 26 does not protect your communications with the lawyer about compensation, and your report must include "a statement of the compensation to be paid for the study and testimony in the case." Write every line as if opposing counsel will read it aloud, because sometimes they do.

7. Set aside money for self-employment tax as each payment lands

Expert witness fees are self-employment income for most independent experts. A law firm that pays you $2,000 or more in a year reports it on Form 1099-NEC; the IRS instructions list "payments by attorneys to witnesses or experts in legal adjudication" as reportable, and the $2,000 threshold applies to tax years beginning after 2025. Smaller amounts are still taxable.

On top of income tax, you owe self-employment tax of 15.3% (12.4% for Social Security and 2.9% for Medicare) once your net earnings from self-employment reach $400 for the year, according to the IRS. You can deduct the employer-equivalent portion of that tax when figuring your adjusted gross income.

Move a fixed share of every payment into a separate account the day it arrives. The 1099 consulting income taxes post covers quarterly estimated payments, deductible expenses and what to keep for your records. This is general information, so ask an accountant about your own situation.

Where Instant Expert fits

Litigation work pays well per hour but arrives in bursts, and a case can go quiet for months. Shorter paid work fills the gaps. On Instant Expert, a buyer invites you to a specific paid call or a written or voice answer and sets the amount up front. You receive the full amount offered, and you can reply with a higher price. You can claim your profile or see open paid requests on the request board.

Today, write your three hourly rates, your retainer amount and your cancellation terms on one page, and send it with your CV the next time a lawyer calls.