but in any event within twelve (12) months after the Closing Date. (b) Certegy hereby grants, and will cause each member of the Certegy Group to grant, to Equifax and each member of the Equifax Group a fully paid, non- exclusive, worldwide, non- 14 transferable right to continue to use the Marks that were owned immediately prior to the Distribution Date by a member of the Certegy Group and employed in the Equifax Business, but only to the extent such Marks were displayed by the Equifax Group prior to the Distribution Date (i) on assets owned by Equifax or any member of the Equifax Group (other than the Transferred Assets), (ii) on premises jointly occupied with one or more members of the Certegy Group, and (iii) on letterhead, product and services documentation, invoices, software programs, packaging and similar materials used by the members of the Equifax Group, and such Marks are used in accordance with the same guidelines for usage as the Equifax Marks as described in subsection (a) above. Equifax will terminate the use of such Marks as soon as commercially practical but in any event within twelve (12) months after the Distribution Date. Section 4.4. Grant of License by Certegy. (a) Certegy hereby grants, and will cause the other members of the Certegy Group to grant, to Equifax a fully paid, non-exclusive, perpetual, worldwide, non-transferable license to use, modify, copy, improve, create Derivative Works and Equifax Enhancements from, and sublicense the Licensed Certegy Materials (excluding the Utility Software Programs) solely for use in the Equifax Business and as that business may evolve and change in the future, subject to the following: (i) Equifax shall not sublicense, or otherwise disclose or distribute, or permit any Person to use, the Licensed Certegy Materials (excluding the Utility Software Programs), except in