Kopp v. Physician Group of Arizona, Inc.

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In this medical malpractice action, the Supreme Court held that a stipulated dismissal with prejudice of an agent-surgeon does not preclude a party from asserting a claim against the surgeon’s principal for its own independent negligence, and this is true even when the independent negligence claim requires proof of the surgeon’s negligence. Plaintiffs filed medical malpractice actions against Hospital and Surgeon alleging that Surgeon was negligent in his surgical care and that Hospital was both vicariously liable for Surgeon’s negligence and independently negligent. Plaintiffs subsequently entered into a settlement agreement with Surgeon precluding Plaintiffs from pursuing claims against Hospital based on a theory of vicarious liability, although Plaintiffs could bring independent claims against Hospital. Hospital moved to dismiss the remaining claims on the ground that they were derivative of Surgeon’s negligence. The trial court agreed and dismissed most of Plaintiffs’ remaining claims against Hospital. The Supreme Court reversed, holding (1) Plaintiffs’ claims for negligent credentialing, hiring, and supervision were based on Hospital’s independent negligence and thus were preserved in the settlement agreement with Surgeon; and (2) the holding in DeGraff v. Smith, 62 Ariz. 261 (1945), that a stipulated dismissal with prejudice operates as an adjudication that the dismissed party was not negligent in the treatment of the plaintiff, is disavowed. View "Kopp v. Physician Group of Arizona, Inc." on Justia Law