On February 18, 2025, the First Circuit joined a growing list of circuit courts to hold that “but-for causation” is the correct causation standard in most False Claims Act (FCA) cases premised on alleged violations of the...more
The Eighth Circuit released an opinion Tuesday in U.S. ex rel. Cairns v. D.S. Medical LLC that creates a new circuit split on the interpretation of the causation standard for establishing that a claim “resulting from” a...more
In the latest edition of our False Claims Act Guide: 2021 and the road ahead, we analyze the key developments from 2021 and discuss how the most important cases and issues are shaping FCA enforcement now and in the year to...more