Network-1 Security Solutions announced the acquisition of a patent portfolio from individual inventor, Dr. Ingemar Cox. The portfolio includes four issued US patents related to content identification (7,058,223, 8,010,988, 8,020,187, and 8,205,237) and one US application. Network-1 purchased the portfolio for approximately $1.5 million in both cash and shares of Network-1 common stock and will also pay Dr. Cox 12.5% of the net proceeds from the monetization of the portfolio. Since 2005, Network-1 has filed three patent infringement suits related to its power over Ethernet patent (6,218,930) against data networking equipment manufacturers and has reached license settlement with at least 14 companies.