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What is an original source under the False Claims Act?

On Behalf of | Jun 10, 2026 | Qui Tam Cases |

Filing a qui tam lawsuit under the False Claims Act (FCA) is a powerful way for private-sector insiders to expose corporate fraud against government programs, including Medicare, Medicaid and other government contracts, including defense contracts. However, the federal government blocks individuals from filing lawsuits based on information that is already public knowledge. To prevent opportunistic litigation, federal law enforces a strict procedural hurdle known as the public disclosure bar.

Under the U.S. Code,  a federal court must dismiss a qui tam action if the news media, a government report, or a public hearing revealed the allegations of fraud—unless the whistleblower qualifies under a highly specific statutory exception known as the “original source” rule.

What is the public disclosure bar?

The public disclosure bar prevents self-serving lawsuits filed by individuals who merely read about a corporate scandal and rush to the courthouse. Under this federal framework, a public disclosure occurs when specific channels expose the essential elements of a fraudulent transaction, namely:

  • Government reports: Federal, state or local administrative reports, audits, investigations or hearings. Federal congressional, Government Accountability Office, or other Federal reports, hearings, audits or investigations.
  • The news media: Investigative journalism prints, television broadcasts, and verified online news publications.

If a competitor, regulatory agency or journalist has already highlighted the core mechanics of the corporate fraud, the public disclosure bar is triggered and your independent lawsuit faces immediate dismissal.

The statutory test for “original source” status

To bypass the public disclosure bar and maintain standing in federal court, your legal counsel must prove you are an original source through in one of two ways:

  • Prior disclosure: You voluntarily disclosed the fraud to the federal government before the public disclosure occurred. If you provided an inside report to investigators and the information subsequently leaked to the media, your right to file remains fully protected.
  • Independent and material knowledge: If the public disclosure occurred first, you must possess knowledge that is independent of, and materially adds to, the publicly disclosed allegations, and you must voluntarily provide this information to the government before filing your lawsuit.

To meet the material addition standard, your inside evidence needs to show major new information, such as exposing hidden corporate policy memos or specific internal billing spreadsheets. It should not provide only minor logistical details.

To qualify as an original source and meet the public disclosure bar, you need to meet strict federal legal standards. The first step includes a thorough review of the federal rules for whistleblower eligibility to protect your legal standing. The second decisive step is to discuss your situation with a dedicated qui tam litigation firm to  review every piece of your evidence, ensure your allegations bring major new facts to light and file your complaint safely under seal.

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