Microsoft has just published a section on their website about 'Open Source'. Their Frequently Asked Questions (FAQ) page says software patents are useful for developers:
Q. What is the Microsoft position on intellectual property (IP) and open source?
Let's correct it like this:
Patents are useful for developers to destroy other people's projects or businesses, regardless of what development model they choose.
This is exactly what Microsoft is doing with their patents and the Samba project in the EU antitrust case.