"The open-source software community is up in arms over claims
that IBM has broken its promise to the community by asserting its
patents against an open-source project. However, IBM says it has
done no such thing.
"In a letter to Roger Bowler, president of French mainframe
emulator software maker TurboHercules, Mark Anzani, IBM vice
president and CTO for IBM System z, said TurboHercules infringes on
more than 100 IBM patents.
"The FOSS (free and open-source software) community is upset
that it appears IBM has broken its 2005 pledge not to use the
company's massive patent portfolio against the FOSS world."