Ninth Circuit Excludes Inter Partes Review Proceedings from Public Disclosure Bar and Greenlights Relator’s Qui Tam Claims Based on Patent Activity
In a recent decision, United States ex rel. Silbersher v. Valeant Pharmaceuticals Int’l Inc., 2023 WL 4940429 (9th Cir. Aug. 3, 2023) (“Valeant”), the Ninth Circuit ruled that the False […]
Court Finds That Qui Tam Relator Who Built Case From Patent Records Is Not an Original Source
A relator who scours public patent filings to “uncover” an alleged fraud against the government cannot avoid the False Claims Act’s public disclosure bar by claiming to be an original […]
Court Rejects Application of the Public Disclosure Bar Due to DOJ’s Opposition
On January 24, 2023, the United States District Court for the Middle District of Florida denied a motion to dismiss a qui tam suit premised on Anti-Kickback Statute (“AKS”) allegations, […]
In Fraudulent Inducement Qui Tam, DOJ Once Again Invokes Dismissal Authority
DOJ during the last administration reinvigorated the use of its statutory authority to move to dismiss qui tam cases over a relator’s objections. But over the past two years, DOJ’s […]

Ninth Circuit Construes Post-2010 Public Disclosure Bar to Include Facts Disclosed During a Patent Office Patent Prosecution
In United States ex rel. Silbersher v. Allergan, Inc., 2022 WL 3652967 (9th Cir. Aug. 26, 2022), the Ninth Circuit ruled that the FCA public disclosure bar, as amended in […]
Court Rejects “Tenuous” Connection Between FDCA Regulatory Violations and Claims for Payment
Recently, a district court in the Southern District of Florida dismissed with prejudice a qui tam complaint premised on the alleged sale of products adulterated and misbranded under the Food […]
Sidley’s FCA Practice
Sidley’s FCA Practice The False Claims Act (FCA) is a key government civil enforcement tool that has been employed to target a broad spectrum of alleged frauds against the public fisc. […]
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