High Quality Content by WIKIPEDIA articles! Wallace v. International Business Machines Corp. et al. 467 F.3d 1104 was a significant case in the development of free software. The case decided, at the Court of Appeals, that in United States law the GNU General Public License (GPL) did not contravene federal antitrust laws.Daniel Wallace, a United States citizen, sued the Free Software Foundation (FSF) for price fixing. In a later lawsuit, he unsuccessfully sued IBM, Novell, and Red Hat. Wallace claimed that free Linux prevented him from making a profit from selling his own operating system.