Research
The numbers behind law firm write‑offs.
Every figure links to its source.
Corporate clients are cutting more of what law firms bill, and most law firms still manage their clients’ billing rules by hand. Here is what the published data says.
Elite · May 2026~400 law firms
11%18%
Invoice rejection rate, 2025. Up 64% in a single year.
New Elite Research: Law Firms See 64% Climb in Rejection Rates as Client AI Billing Scrutiny Advances
- The invoice rejection rate climbed from 11% to 18% in 2025, as more clients use AI to check invoices before paying.
- 48% of Global 200 CFOs call e-billing their most significant revenue cycle challenge.
- 71% of law firms still handle outside counsel guidelines mostly by hand.
Based on Elite’s billing data across about 400 law firms. Elite sells e-billing software.
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LexisNexis CounselLinkClient side
47%
of line items flagged for adjustment by a client’s billing rules end up cut.
Leverage Legal Department Financial Management Tools to Decrease Legal Spend
- Line items flagged for adjustment get cut 47% of the time.
- 45% of adjustments are a reviewer’s judgment call, not a fixed rule. Judgment calls can be appealed.
- Clients cut 2.6% of everything billed in the first half of 2024.
Written for in-house legal teams by LexisNexis CounselLink, which sells the bill-review software.
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Thomson ReutersOlder analysis
4.4%
of e-billing revenue lost to hidden costs, in their model law firm.
Electronic Billing: The Not-So-Hidden Costs
- Industry-wide e-billing rejection rates around 30% at the time of writing.
- Hidden e-billing costs reach 4.4% of e-billing revenue: just shy of $800,000 a year for a law firm e-billing $18M.
Undated and built on older figures. Shown for scale, not as a current benchmark.
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