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Under Wyeth v. Levine, 555 U.S. 555 (2009), and PLIVA, Inc. v. Mensing, 564 U.S. 604 (2011), failure-to-warn claims targeting a pharmaceutical are preempted unless the manufacturer could have provisionally changed its warning label without prior FDA approval under the “changes being effected” (“CBE”) provision codified at 21 C.F.R. § 314.70(c)(6)(iii)(A). Because the

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Federal law regulates medical devices differently from pharmaceuticals, and branded drugs differently from generic drugs. Whether a particular state-law tort claim is preempted often depends on whether the claim involves a medical device, a branded drug, or a generic drug. Often but not always. As today’s case illustrates, there is one implied-preemption principle that applies

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We’ll get to the recent Second Circuit decision, Ignacuinos v. Boehringer Ingelheim Pharms., Inc., — F.4th —-, 2021 WL 3438355 (2d Cir. 2021), in due course, but first some background.

One of our top ten decisions in 2018 was Gustavsen v. Alcon Labs., Inc., 903 F.3d 1 (1st Cir. 2018), an important implied-preemption