Numatics, Inc. v. Balluff, Inc.

OPINION AND ORDER ON PARTIES’ MOTIONS TO EXCLUDE CERTAIN EXPERT WITNESS TESTIMONY

DAVID M. LAWSON, District Judge.

In this patent infringement case, the parties have filed motions for orders to preclude various liability and damage expert witnesses from testifying. The Court held a hearing on all of the motions on December 3, 2014. For the reasons that follow, the Court will deny the defendants’ motion to exclude the testimony of Michael J. Lasinski and Phillip O’Keefe, and grant the plaintiffs motions to exclude certain portions of the testimony of Michael Justice and Daniel M. McGavock.

I

Plaint…