The issue focused on whether or not the company should be allowed to continue developing its new software platform, the Windows Phone OS, despite Microsoft's concerns about how the platform would affect its business.

Microsoft's legal team was not pleased by this stance and, in a series of legal filings, the company tried to argue that Windows Phone OS had a "compelling business need."

The company also argued that if it had to develop its own operating system for its Windows Phone platform, it would lose the competitive