Dartmouth College should sue MS for stealing BASIC
ETH Zurich/Logitech and Xerox sue MS for the Mouse
Xerox sue MS for Windows
Bell Labs sue them for adding subdirectories and UNIX like commands
Digital Research/Novell/Caldera sue them for MSDOS and Filesystem.
IBM and DEC (now most IP owned by HP) for making NT out of VMS and OS/2
Mosiac for messing up the Browser
Bell Labs and Sun for Mashing Up C, C++ and Java as C#
Borland for pinching ideas from Turbo Pascal for VB6
Xerox sue them for having Networking.
I saw touch screen systems and multiprocessing 20 years ago.
All the decent stuff they have they copied or bought the Company or Rights
The only two really good original programs MS have done are Excel & Word (for Windows, not DOS), ironically first launced on Apple as MS Windows on DOS didn't really work till version 3.x
MS needs to throw away WinCE/Mo and NT/Vista/Win7 as they have trashed them. Spend the money on rewriting them properly from scratch.