Date: 10/13/07 (Open Source)    Keywords: technology

Two patent trolls, Technology Licensing Corp. of Nevada and IP Innovation, a unit of Acacia Technologies, haved filed suit against Novell and Red Hat for alleged violations of U.S. Patent 5,072,412, which covers a "User interface with multiple workspaces for sharing display system objects."

Source: http://feeds.feedburner.com/~r/zdnet/open-source/~3/169384457/