Acacia Research enters into settlement and license agreement with Lawson Software Acacia Research Corporation (ACTG) announced that its B.I. Systems LLC subsidiary has entered into a settlement and license agreement with Lawson Software (LWSN). This agreement resolves patent litigation that was pending in the United States District Court for the Middle District of Florida. The litigation involved United States Patent No. 5,894,311, which is entitled "Computer-Based Visual Data Evaluation."