Microsoft suffers FAT patent setback
US patent office gives thumbs down
The US Patent and Trademark Office (PTO) has rejected two patents relating to Microsoft’s control of the FAT file system.
File Allocation Table was developed for MS-DOS and is the primary file system for Windows, and a popular format for floppy disks and other storage devices.
The PTO has rejected the application because of an “administrative technicality” on one of the applications in which incorrect names of assignees were used.
Full story: vnunet.com