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From De Novo Review To Informal Deference: An Historical, Empirical, And Normative Analysis Of The Standard Of Appellate Review For Patent Claim Construction, Jonas Anderson, Peter Menell

J. Jonas Anderson

Patent scope plays a central role in the operation of the patent system, making patent claim construction a critical aspect of just about every patent litigation. With the resurgence of patent jury trials in the 1980s, the allocation of responsibility for interpreting patent claims between trial judge and jury emerged as a salient issue. While the Supreme Court’s Markman decision usefully removed claim construction from the black box of jury deliberations notwithstanding its "mongrel" mixed fact/law character, the Federal Circuit’s adherence to the view that claim construction is a pure question of law subject to de novo appellate review produced …