Cybor Corp. v. FAS Technologies Inc.
United States Court of Appeals for the Federal Circuit
138 F.3d 1448 (1998)
Relevant factsFree
Cybor Corp. (plaintiff) sued FAS Technologies Inc. (defendant) for patent infringement. The central issue was the construction of the patent claims-determining the scope of what the patent covers-and the standard of appellate review that applies to it.
IssueFree
Whether claim construction in a patent-infringement suit is a legal question reviewable de novo by an appellate court.