Uniloc USA, Inc. has begun asserting two software licensing and delivery patents (6,510,466; 6,728,766) recently acquired from IBM, filing seven lawsuits against the same number of defendants on April 12. The NPE has also continued to expand its unified communications campaign, filing a single complaint against ooVoo the following day. Like its European counterpart Uniloc Luxembourg S.A., Uniloc USA is a subsidiary of Australian NPE Uniloc Corporation Pty. Limited.