The About system is covered by one or more of the following patents:
- U.S. Patent No. 5,918,010
- U.S. Patent No. 6,081,788
- U.S. Patent No. 6,157,926
- U.S. Patent No. 6,195,681
- U.S. Patent No. 6,226,648
- U.S. Patent No. 6,336,132
- Australian Patent No. 729,891
- Other Patents Pending.