Gideon Korrell Shares How Estoppel Barred Infringement in the Colibri Case

Aug 6, 2025 · 3 min read · The Federal Circuit's July 18, 2025, ruling in Colibri Heart Valve LLC v. Medtronic CoreValve, LLC reversed a $106 million jury verdict. The court found that Colibri’s infringement claim under the doctrine of equivalents was blocked by prosecution hi...