Opinion ID: 211518
Heading Depth: 2
Heading Rank: 6

Heading: Cross-Appeal on Infringement under the Doctrine of Equivalents

Text: 35 The jury held that SeaChange's systems infringed the '804 patent under the doctrine of equivalents. The trial court granted SeaChange's JMOL motion on this decision. During trial nCube did not raise separate and distinct arguments for infringement under the doctrine of equivalents, and elicited no expert testimony on this subject. nCube argues nevertheless that the record contains substantial evidence supporting the jury's verdict, because the evidence supporting literal infringement of claim 10 also supports a finding of infringement under the doctrine of equivalents. 36 To the contrary, this court has articulated distinct rules for the evidence showing infringement under the doctrine of equivalents. See Texas Instruments, Inc. v. Cypress Semiconductor Corp., 90 F.3d 1558, 1566-68 (Fed.Cir.1996). The party asserting infringement must present ` evidence and argument concerning the doctrine and each of its elements. ' The evidence and argument on the doctrine of equivalents cannot merely be subsumed in plaintiff's case of literal infringement. Lear Siegler, Inc. v. Sealy Mattress Co. of Mich., Inc., 873 F.2d 1422, 1425 (Fed.Cir.1989) (Internal citations omitted) (Emphasis in original). Not having satisfied this evidentiary burden, nCube's arguments do not persuade this court.