the trademark or service mark "APPLY," as it relates to the APPLY software product, shall be and remain the sole and exclusive property of Certegy; provided, however, that Certegy shall grant to Equifax a perpetual, fully paid, world-wide, exclusive license to use the "APPLY" trademark or service mark solely for use in combination with the mark "Equifax" and solely in connection with the use of the APPLY software PRODUCT. PAYNET SECURE (SOFTWARE OWNERSHIP: APPLICATION), SOURCE CODE, OBJECT CODE AND As of the Closing Date, all right, title and interest DOCUMENTATION in and to the source code, object code and documentation with respect to (i) Paynet Secure Level 1 and (ii) the payment processing components of Paynet Secure Level 3, including, without limitation, all patents, patent rights and copyrights related thereto, shall be and at all times will remain the sole and exclusive property of Certegy. Certegy shall have the right to make, use, sell, copy, distribute, import, develop Derivative Works or enhancements of, and publicly perform and display, for any purpose, any of the foregoing assets without any obligation (including any obligation to account or pay royalties) or liability to Equifax. As of the Closing Date, all right, title and interest in and to the source code, object code and documentation with respect to (i) Paynet Secure Level 4 and (ii) the authentication components of Paynet Secure Level 3, including, without limitation, all patents, patent rights and copyrights related thereto, shall be and at all times will remain the sole and exclusive property of Equifax. Equifax shall have the right to make, use, sell, copy, distribute, import, develop Derivative Works or enhancements of, and publicly perform and display, for any purpose, any of the foregoing assets without any obligation (including any obligation to account or pay royalties) or liability to