Tag: medical device
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Board of Regents v. Boston Scientific: Federal Circuit Reverses Jury Verdict on Anticipation and the Meaning of “Fiber”
The Federal Circuit’s decision in Board of Regents of the University of Texas System v. Boston Scientific Corp., Case Nos. 2024-2062 and 2024-2063 (Fed. Cir. July 27, 2026), reverses a patent-infringement judgment involving drug-eluting coronary stents and illustrates how a jury verdict cannot survive when the asserted distinctions from the prior art are absent from…
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Colibri Heart Valve LLC v. Medtronic CoreValve, LLC: Prosecution History Estoppel Bars Equivalents Infringement
In its July 18, 2025 opinion in Colibri Heart Valve LLC v. Medtronic CoreValve, LLC, the Federal Circuit reversed a $106 million jury verdict in favor of Colibri, holding that Colibri’s infringement theory under the doctrine of equivalents was barred by prosecution history estoppel. The case centered on a now-expired patent for a method of…
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Federal Circuit Overturns District Court’s Ruling on Indefiniteness in Teleflex v. Medtronic
In a significant decision for medical device patent litigation, the Federal Circuit vacated and remanded a district court’s ruling that had invalidated key claims in a patent dispute between Teleflex and Medtronic. The case centered on guide extension catheter technology used in cardiovascular procedures, with the core issue being whether the term “substantially rigid portion/segment”…