Microsoft believes that elements from both the user interface and the underlying operating system are in violation of its rights.

Analysis of the patent deal with Amazon and why it is a breach of some laws and should therefore be reported to authorities or regulators

Linux users take note: Microsoft has signed another patent licensing agreement with a Linux using vendor. In this new case, Microsoft has signed a deal with Melco Group the group that owns tech vendor Buffalo Technology.

"Earlier this week, just less than a couple of months after their seemingly-friendly deal, Microsoft betrayed Linspire. There are more questions to be raised and implications to discuss."

Red Hat's CEO, Matthew Szulik, has confirmed that Red Hat has held negotiations with Microsoft about exclusive patent deals. He refused to say whether they were still negotiating.