The Court found the structure of the claims “enlightening.” Independent claim 1 recites a fuse end cap with three elements. The Federal Circuit rejected the district court’s claim construction based on claim differentiation, the specification, and the prosecution history. but stipulated to non-infringement after the district court construed the claims to require a multi-piece construction. owns a patent for fuse end caps to electrically connect a fuse and an electrical conductor. This week’s case of the week looks at the doctrine of claim differentiation. You should read this case if: you have a matter involving claim construction, and particularly the principle of claim differentiation.
Panel: Judges Prost, Bryson, and Stoll, with Judge Bryson writing the opinion Mersen USA EP Corp., No. 21-2013 (26 days)Ĭase of the week: Littelfuse, Inc. Shortest (non-Rule 36) pending case from argument: Littelfuse, Inc. Meso Scale Diagnostics, LLC, No. 21-1609 (157 days) Longest pending case from argument: Roche Diagnostics Corporation v. Below we provide our usual weekly statistics and a detailed discussion of our case of the week-our highly subjective selection based on whatever case piqued our interest. Last week was argument week at the Federal Circuit, and we’ve already begun seeing decisions from the argued cases trickle in.