According to a letter published today by NosoftwarePatents founder Florian Mueller, Big Blue has abandoned its commitment to the open source community by attacking the Hercules project, which was founded by Roger Bowler more than a decade ago.
The mainframe emulator code was written to enable users to run IBM’s z/OS on x64 or Itanium iron instead of System z hardware from Big Blue.
http://www.theregister.co.uk/2010/04/06/ibm_hercules_project_patents/
