IBM is a business
They will invest in FOSS where they see an advantage to themselves, likewise with IP, lawsuits, whatever else.
They're no hip young Google, they're a weathered, war-torn old dog that knows the game inside and out. They'll use their patent portfolio in any way they see fit, the greatest advantage to them being that it guards their rather deep pockets against competitors. Suing IBM over IP is an exercise in MAD at the very very best.


