Mary Katherine Planchet

Mary-Kate Planchet counsels clients in product liability and mass tort litigation. She performs legal research and prepares pleadings, motions to compel, demurrers, motions to dismiss, and motions for summary judgment. Mary-Kate takes and defends depositions and examinations under oath and has previously performed substantive work in insurance coverage, tort and catastrophic loss, and labor and employment matters.

View the full bio for Mary Katherine Planchet at the Faegre Drinker website.

Articles by Mary Katherine Planchet:


California Appellate Court Upholds Federal Preemption of Negligent Undertaking Claim Under the Medical Device Amendments of 1976

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Federal preemption can be a very powerful defense.  For example, claims concerning Class III medical devices requiring pre-market approval are generally preempted by the Medical Device Amendments of 1976, 21 U.S.C. § 360c, et seq. (“MDA”).  In Regwan v. Abbott Laboratories, Case No. B319606, 2023 WL 8818748 (Cal. App. 2d Dec. 21, 2023), the California Court of Appeal relied on that principle in holding preempted a negligent failure to warn claim premised on a sales representative’s intraoperative communications and presented as a “negligent undertaking” claim.  This holding continues a California trend that federal law may preempt negligence-based claims regarding Class III PMA medical devices even if they are not presented as traditional design defect or failure to warn claims.

In Regwan, the plaintiff alleged she suffered serious injuries following implantation of a MitraClip that the defendant manufactured.  During the procedure, the saline bag ran dry, causing the plaintiff to allegedly suffer an air embolism and brain injuries.  The plaintiff asserted negligence and products liability causes of action against the defendant after discovering a defendant representative attended the surgery and was allegedly “responsible for the flow of saline.”  The defendant demurred, arguing federal law preempted the plaintiff’s products liability claims.

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