Practice management · The solo expert

The independent expert witness's practice toolkit: chronology, Rule 26 list, conflicts, billing

Most expert-witness software stops at reading the records. But a solo practice has four moving parts that decide whether you stay defensible and get paid — and three of them live in the back half of the engagement, long after the chronology is done.

An independent expert — an IME or QME physician, a forensic engineer, an economist — is running a small business that happens to produce opinions. The medicine or the engineering is the part you trained for. The part nobody trained you for is the operations around it: the record review, the disclosure obligations, the question of whether you can even take the case, and the invoice at the end. Get those wrong and a brilliant opinion still gets you impeached, excluded, or stiffed on a bill.

There is no shortage of tools that read medical records and spit out a timeline; that part of the market is crowded and getting cheaper. The harder, less-served problem is the whole practice — the four things below, kept current across every engagement rather than reconstructed under deadline pressure on each one.

The four parts of a defensible expert practice

1. The page-cited chronology. The spine of every opinion. For each material event you need a date, a neutral description of what the record says, the exact source page it came from, and a flag where a contradiction or causation question needs your judgment. If a fact in your report can't be traced to a page, that's exactly where a cross-examiner lives.
2. The Rule 26 disclosure package. Under FRCP 26(a)(2)(B), a retained expert's report must carry a complete statement of opinions and their basis, the facts considered, exhibits, qualifications with a 10-year publication list, the 4-year list of prior testimony, and a compensation statement. The two lists are cumulative records that should grow continuously — not be rebuilt from memory the night before a deadline.
3. The conflict check. Before you accept a retention, you need to know whether you've been adverse to this party, this firm, or this insurer before, and whether anything you've published or testified to cuts against the position you'd be asked to support. A missed conflict surfaced in deposition is far more expensive than one caught at intake.
4. Billing and retainers. Roughly half of experts report fee disputes with retaining counsel, and they trace back to the same causes: vague invoices, missing time entries, and inconsistent rates. Time tied to specific tasks, against a signed engagement and retainer, is the difference between getting paid and arguing about it.

Why the back half is where practices actually break

The chronology gets all the attention because it's the visible, billable artifact. But the failures that genuinely hurt a practice cluster in items two through four — the parts most "IME report tools" don't touch at all.

The 4-year testimony list is the clearest example. It looks clerical, so experts treat it as an afterthought and reconstruct it from an old spreadsheet. Then they miss a deposition, opposing counsel finds it, and the expert is impeached not on the medicine but on the accuracy of their own disclosure — which reads as carelessness at best. The fix isn't heroic; it's maintaining the list as a standing record so disclosure becomes an export, not a scramble. (We go deeper on this in our guide to what an FRCP 26(a)(2)(B) report must contain.)

What "tooling" should actually do here

The right tool isn't four products bolted together; it's one that treats the engagement as a continuous loop — from retained, through review, to disclosed and invoiced — and keeps a clean, exportable record at each step. A page-cited line is the unit of that record:

When the chronology is built that way, the exhibits for your Rule 26 report are already cited, the time you spent is already attributable, and the audit trail you might have to disclose in discovery already exists. The work of staying defensible stops being a separate project layered on top of the actual analysis.

A practice-hygiene checklist

• Every chronology entry has a date, a neutral description, a source-page citation, and a flag.
• The 4-year testimony list and 10-year publication list are appended the day each engagement closes — never reconstructed.
• A conflict check runs at intake and is logged, before you sign on.
• Time is captured against tasks, under a signed engagement and retainer.
• There is one exportable record of how the work was done — for disclosure, for billing, and for your own protection.