The already vicious lawsuit involving Barracuda Networks and Trend Micro that is currently in discovery in front of the American International Trade Commission (ITC) just turned nastier. Barracuda has filed its own patent infringement claim against Trend Micro, based upon three recently acquired patents. The suit is in response to Trend Micro's allegation that its patent is being infringed by Barracuda shipping Clam Antivirus (ClamAV), the popular free software application, and appears designed to pressure Trend Micro to reach a negotiated settlement.

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	www.linux.com/feature/140446