Third Circuit Reverses Class Certification in In re Lamictal Direct Purchaser & Antitrust Consumer Litig.; Next up, In re Suboxone
On April 22, 2020, the Third Circuit in In re Lamictal Direct Purchaser & Antitrust Consumer Litig., reversed class certification, concluding that the evidence did not establish that common proofs could be used to prove class-wide injury. The circuit court faulted the district court’s predominance analysis for failing to resolve factual disputes, weigh competing expert evidence, and make a prediction as to how these issues would play out at trial. Central to the ruling was the issue of antitrust impact. After brand and generic pharmaceutical manufacturers of the prescription drug Lamictal, or generic lamotrigine, settled a patent litigation, direct purchasers of these drugs sued claiming the settlement violated the antitrust laws as an impermissible “reverse payment agreement.” The brand manufacturer was alleged to have “paid” the generic to stay out of the market by promising not to launch an authorized generic (“AG”). The direct payor plaintiffs argued that they paid more for the drugs than they would have otherwise based on the theory that, on average, the price of a generic is lower when there are two generics rather than just one. The Third Circuit granted the manufacturer-defendants’ petition for leave to appeal under Rule 23(f). First, the Third Circuit rejected direct purchasers’ argument that certification was controlled by a comment in Tyson Foods v....

