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Taming The Mongrel: Aligning Appellate Review Of Claim Construction With Its Evidentiary Character In Teva V. Sandoz, Jonas Anderson, Peter Menell, Arti Rai

Working Papers

In its seminal Markman decision, the Supreme Court sought to usher in a more effective, transparent patent litigation regime through its ruling that “the construction of a patent, including terms of art within its claim, is exclusively within the province of the court.” In the aftermath of this decision, the Federal Circuit adhered to its prior holding that claim construction is a “purely legal issue” subject to plenary de novo review, downplaying the Supreme Court’s more nuanced description of claim construction as a “mongrel practice” merely “within the province of the court.” Over nearly two decades of experience in the …