We've diligently followed the Microsoft v. i4i Limited Partnership patent dispute as it wound its way through the courts, and now comes the day of reckoning: by a unanimous decision, the US Supreme Court has upheld the patent-infringement finding against Redmond. For those of you just catching up, MS had been taken to court by Toronto-based i4i over a portfolio of XML-related patents -- patents it had already offered to license to the software behemoth. In court,