AT&T sold its Unix-related IP to Novell, which then relicensed some of it to SCO. Whether Novell transferred enough to provide a basis for the lawsuits is itse

AT&T sold its Unix-related IP to Novell, which then relicensed some of it to SCO. Whether Novell transferred enough to provide a basis for the lawsuits is itself a question that was argued in court -- and ultimately not decided in SCO's favor. Summary here: https://en.wikipedia.org/wiki/SCO%E2%80%93Linux_disputes https://en.wikipedia.org/wiki/SCO%E2%80%93Linux_disputes