Very important to any IP infringement lawsuit that claims prior art.

PRIORITY DATE.

SFOR has a priority date of Sept 2000 for OOBA.

"The priority date is the earliest date to which a patent application can claim priority. The priority date defines what materials are prior art to the patent application; thus, obtaining the earliest possible priority date can be important to the patentability of some inventions."

From the USPTO:

Publication number US7870599 B2
Publication type Grant
Application number US 10/970,559
Publication date Jan 11, 2011
Filing date Oct 21, 2004
Priority date Sep 5, 2000
Fee status Paid
Also published as US8484698, 8 More »
Inventors Ram Pemmaraju
Original Assignee Netlabs.Com, Inc.
Export Citation BiBTeX, EndNote, RefMan
Patent Citations ( , Referenced by (61), Classifications (27), Legal Events (9)

Here is the link:

https://www.google.com/patents/US7870599