Jurisprudence Commons^™

Efficient Uncertainty In Patent Interpretation, Harry Surden

Publications

Research suggests that widespread uncertainty over the scopes of issued patents creates significant costs for third-party firms and may decrease innovation. This Article addresses the scope uncertainty issue from a theoretical perspective by creating a model of patent claim scope uncertainty.

It is often difficult for third parties to determine the legal coverage of issued patents. Scope underdetermination exists when the words of a patent claim are capable of a broad range of plausible scopes ex ante in light of the procedures for interpreting patents. Underdetermination creates uncertainty about claim coverage because a lay interpreter cannot know which interpretation will …

The Proven Key: Roles And Rules For Dictionaries In The Patent Office And The Courts, Joseph Scott Miller, James A. Hilsenteger

Scholarly Works

The U.S. Court of Appeals for the Federal Circuit, in its continuing effort to develop a patent claim construction jurisprudence that yields predictable results, has turned to dictionaries, encyclopedias, and similar sources with increasing frequency. This paper explores, from both an empirical and a normative perspective, the Federal Circuit's effort to shift claim construction to a dictionary-based approach. In the empirical part, we present data showing that the Federal Circuit has, since its own in banc Markman decision in April 1995, used reference works such as dictionaries to construe claim terms with steadily increasing frequency. In addition, and contrary to …