Eplus, Inc. v. Lawson Software, Inc.

DYK, Circuit Judge.

ePlus, Inc. (“ePlus”), the assignee of U.S. Patent Nos. 6,023,683 (the “'683 patent”) and 6,505,172 (the “'172 patent”), sued Lawson Software, Inc. (“Lawson”) for infringement. The district court found two of the asserted system claims and three of the asserted method claims not invalid, and a jury found that Lawson infringed those claims. In an earlier appeal, we reversed in part on the ground that the system claims were invalid and that two of the asserted method claims were not infringed. We affirmed only the infringement verdict as to one method claim— claim 26 — of the…