American innovation at risk : the case for patent reform : hearing before the Subcommittee on Courts, the Internet, and Intellectual Property of the Committee on the Judiciary, House of Representatives, One Hundred Tenth Congress, first session, February 15, 2007.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2007.