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Department of Justice (DOJ) › Causation › Department of Health and Human Services (HHS)

K&L Gates LLP

First Circuit Adopts But-For Causation Standard for Kickback-Premised False Claims Act Actions

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On 18 February 2025, the First Circuit Court of Appeals issued its decision in United States v. Regeneron Pharmaceuticals, Inc., determining that “but-for” causation is the proper standard for False Claims Act (FCA) actions...more

Epstein Becker & Green

What Does the Phrase “Resulting From” Mean? Circuit Courts Split on Standard for Determining When an AKS Violation Is a False...

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Dating back to the 19th century, the U.S. Supreme Court has held that when construing a statute, the courts are to “give effect, if possible, to every clause and word of a statute, avoiding, if it may be, any construction...more

Patterson Belknap Webb & Tyler LLP

The First Circuit Requires But-For Causation in False Claims Act Cases Predicated on Violations of the Anti-Kickback Statute,...

Patterson Belknap Webb & Tyler LLP on

On February 18, 2025, in United States v. Regeneron Pharmaceuticals, the First Circuit held that to establish civil liability under the False Claims Act (“FCA”) premised on violations of the Anti-Kickback Statute (“AKS”), the...more

Foley & Lardner LLP

Anti-Kickback Statute Premised False Claims Cases: The “But For” Causation Standard Finds Support from First Circuit

Foley & Lardner LLP on

It’s now 3–1, with the First Circuit (2025) aligning with the Sixth (2023) and Eighth (2022) Circuits finding the meaning of the words “resulting from” — as used in a 2010 amendment to the federal Anti-Kickback Statute (AKS)...more

Foley Hoag LLP

False Claim Act Liability Under Anti-Kickback Statute Requires But-For Causation: First Circuit Narrows Liability in Growing...

Foley Hoag LLP on

On February 18, 2025, the First Circuit Court of Appeals issued its decision in U.S. v. Regeneron Pharmaceuticals, ruling that the Anti-Kickback Statute (“AKS”) requires the government to prove that an AKS violation was the...more

Proskauer - Health Care Law Brief

Recent FCA and AKS Litigation Highlights Use of Different Standards in Different Circuits

Proskauer - Health Care Law Brief on

In an important decision limiting the reach of the Federal Anti-Kickback Statute (42 U.S.C. 1320a-7b(b)) (“AKS”) and its application to violations of the False Claims Act (31 U.S.C. 3729, et seq.) (“FCA”), the U.S. Court of...more

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