On Jan. 13, the U.S. Supreme Court granted a writ of certiorari to petitioners in two False Claims Act cases to determine whether the law’s knowledge requirement reaches defendants who can offer an “objectively reasonable” interpretation of an ambiguous legal or contractual requirement material to government payment.

Read on for details about this case, likely to produce one of the most significant FCA decisions in decades, with important implications for government contractors and healthcare providers whose businesses must comply with complex and sometimes opaque regulatory regimes.