September 30, 2004

MS FAT Patent Claims Rejected [2:04 pm]

Microsoft’s FAT Patent Rejected by Patent Office, At PubPat’s Request [via Slashdot] (see earlier coverage here)

At PUBPAT’s Request, Patent Office Rejects Microsoft’s FAT Patent: All Claims of Reynolds ‘517 Patent Ruled Invalid

NEW YORK — In the reexamination proceeding initiated earlier this year by the Public Patent Foundation (”PUBPAT”), the United States Patent and Trademark Office has rejected all of the claims of Microsoft’s patent on the FAT file system, which Microsoft describes as “the ubiquitous format used for interchange of media between computers, and, since the advent of inexpensive, removable flash memory, also between digital devices.”

Relying predominantly on evidence provided by PUBPAT when the reexamination was requested, the Patent Office made multiple rejections of the Redmond, WA based software giant’s patent.

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