M86Security has filed a patent lawsuit in Delaware against McAfee, Symantec, Webroot Software, Websense and Sophos alledging infringement of two "hostile downloadables" patents owned by Finjan Software. Representing M86Security is Philip A. Rovner of Potter Anderson and Corroon LLP and Paul J. Andre of King and Spaulding. Finjan was acquired by M86Security in November 2009. M86Security describes itself as "... the largest provider of Secure Web Gateways and the largest independent provider of Web and e-mail content security in the world. Four leading technology companies have merged to become a full-service, single source provider of Web and e-mail gateway security, encryption and DLP solutions."