Legal Opinion
Biosig Instruments, Inc. v. Nautilus, Inc.
Court of Appeals for the Federal Circuit
Decided April 27, 2015No. 2012-1289PublishedCited by 141 opinions
1Opinion of the Court
WALLACH, Circuit Judge.
This case is before us on remand from the United States Supreme Court. Biosig Instruments, Inc. (“Biosig”) is the assignee of U.S. Patent No. 5,337,753 (“the '753 patent”), directed to a heart rate monitor associated with an exercise apparatus and/or exercise procedures. Biosig brought a patent infringement action against Nautilus, Inc. (“Nautilus”) in district court alleging that Nautilus infringed claims 1 and 11 of the '753 patent. After claim construction, Nautilus filed a motion for summary judgment seeking, in relevant portion, to have the '753 patent held invalid…
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