LaFrance on the Supreme Court's Standard for Indefiniteness in Patent Claims: Nautilus, Inc. v. Biosig Instruments, 2014 U.S. LEXIS 3818 (June 2, 2014) (PDF)
How indefinite is too indefinite? Because of the limitations of language, innovation does not always lend itself to precise textual description. In Nautilus, Inc. v. Biosig Instruments, Inc., the Federal Circuit held that claims are sufficiently definite so long as they are not "insolubly ambiguous." However, the Supreme Court in Nautilus, Inc. v. Biosig Instruments, 2014 U.S. LEXIS 3818 (June 2, 2014), unanimously rejected this standard.
Mary LaFrance is the IGT Professor of Intellectual Property Law at the William S. Boyd School of Law, University of Nevada, Las Vegas. Prior to joining the Boyd School of Law, Professor LaFrance served on the faculty of the Florida State University College of Law and the Florida State University School of Motion Pictures, Television, and Recording Arts. She is the author of numerous books and law review articles on domestic and international intellectual property law, as well as the taxation of intellectual property. Her books include Intellectual Property Cases and Materials (West 4th ed. 2012) (with David Lange, Gary Myers, and Lee Ann Lockridge), Understanding Trademark Law (Matthew Bender 2d ed. 2009), Copyright Law in a Nutshell (West 2008), Global Issues in Copyright Law (West 2009), and Understanding Intellectual Property Law (Mathew Bender 2011) (with Donald Chisum, Tyler Ochoa, and Shubha Ghosh).
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