Eplus, Inc. v. Lawson Software, Inc.

Opinion for the court filed by Circuit Judge DYK.

Dissenting opinion filed by Circuit Judge O’MALLEY.

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”), *1352sued 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…