2020/04/26 · In December 2003, Microsoft announced licensing demands of four patents for the FAT filesystem: US5,579,517 "The '517 patent"; US5 ...

File Allocation Table (FAT) is a file system developed for personal computers and was the default filesystem for MS-DOS and Windows 9x operating systems.

2005/08/30 · Microsoft hereby grants to SDA a worldwide, irrevocable, non-transferable, royalty- free, non-exclusive, perpetual, fully-paid, copyright ...

2004/09/30 · Microsoft is already trying to license the technology to flash drive makers and manufacturers of devices, such as digital cameras, that use FAT.

2003/12/04 · Microsoft offers a commercially reasonable, nonexclusive license so that other companies can use the FAT file system in their own products.

2013/12/07 · Microsoft's FAT patent finally struck down in EU due to prior art from Linus Torvalds. Could put an end to Microsoft's billions that it gets ...

Microsoft has decided to charge a license fee for FAT filesystem (including flash memory cards), see http://www.microsoft.com/mscorp/ip/tech/fat.asp, as ...

2012/11/07 · “The unique capabilities of exFAT allow licensees to tailor their products to evolving markets while also meeting the changing needs of their ...

2014/10/02 · It appears that use of FATFS no longer requires a license from Microsoft, I guess now that all the patents related to FATFS have expired.

2004/04/15 · Microsoft's patent for the FAT file system - the basis for the company's first salvo in its licensing offensive - is to be reviewed by the ...