
Judge Williams unsealed a detailed Pennypack decision Friday, where he struck an expert's infringement argument after the party failed to disclose it in their contentions.
The motion and brief provide some helpful context here. The defendant moved to strike material in the expert's opening report that apparently responded for the first time to arguments made in the defendant's non-infringement contentions. Cirba Inc. v. VMWare, Inc., C.A. No. 19-742-GBW, D.I. 1460 at 1 (D. Del. Nov. 28, 2022); Id., D.I. 1461 at 2-3.
The Court rejected an attempt to argue that the argument was "responsive" to a filing …