Qui tam is the legal mechanism that lets a private citizen sue a fraudster on the government's behalf — and share in any recovery. It's the engine behind nearly every major federal fraud case you've read about, from healthcare to defense to COVID relief.
Where the name comes from
Qui tam is shorthand for the Latin phrase qui tam pro domino rege quam pro se ipso in hac parte sequitur — “who sues for the king as well as for himself.” It traces back to medieval England, where the crown enlisted ordinary people to report violations in exchange for a cut.
The False Claims Act, in one paragraph
The federal False Claims Act (FCA), enacted in 1863 during the Civil War to combat war-profiteering, makes it unlawful to knowingly submit false claims to the federal government. “Knowingly” covers actual knowledge, deliberate ignorance, and reckless disregard. The FCA imposes treble damages plus per-claim civil penalties, and authorizes private citizens — called relators — to sue on the government's behalf.
Who can be a qui tam relator?
Almost anyone with insider knowledge:
- Current and former employees
- Contractors and subcontractors
- Officers and executives
- Competitors and industry insiders
- Patients, in healthcare cases
- Outsiders with reliable evidence of the scheme
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How a qui tam case actually moves
- 01
Filing under seal
The case is filed in federal district court under seal — visible only to the government and the court. The seal starts at 60 days and is typically extended.
- 02
Government investigation
DOJ (often with the relevant agency Inspector General) investigates while the case stays sealed. This can take months to several years.
- 03
Intervention decision
DOJ either intervenes (joins the case as plaintiff) or declines. If it intervenes, the case becomes the United States v. Defendant. If it declines, the relator can choose to proceed alone.
- 04
Resolution
Most cases settle. If the government recovers, the relator's statutory share is paid: 15–25% for intervened cases, 25–30% for declined cases.
What gets prosecuted as qui tam
- Healthcare fraud — Medicare and Medicaid overbilling, kickbacks, medically unnecessary services
- Defense and procurement fraud
- Government grant and research fraud
- COVID relief fraud (PPP, EIDL, Provider Relief Fund)
- Customs and trade — duty evasion
- Mortgage and housing program fraud
Why timing matters: the first-to-file rule
The FCA awards the reward to the first qualifying relator. If someone else files with the same material facts before you do, you're out — even if your information is better. Combined with statutes of limitations (generally six years, capped at ten), this is why speed is one of the most underrated factors in qui tam strategy.
By the numbers
- Total recoveries under the FCA since 1986 — well over $70 billion
- Of that, more than $53 billion came from qui tam (whistleblower-initiated) cases
- Single-relator awards have exceeded $100 million on multiple occasions
Frequently asked questions
- Is qui tam only for healthcare cases?
- No. Healthcare is the biggest single category, but qui tam covers any false claim against the federal government — defense, grants, customs, procurement, COVID relief, and more.
- Do I need a lawyer to file a qui tam case?
- Yes. Courts won't accept a pro se qui tam filing. The case must be filed by counsel.
- Can a state-level qui tam case run alongside a federal one?
- Often, yes. Most states with false claims acts allow parallel filings for state Medicaid losses, which can substantially increase the total recovery.
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