Abstract: An electronic proof of entitlements management system that provides the ability to create entitlement record based on customer entitlement purchase, to update elements of the entitlement entity based on entitlement owner authority, and to transfer entitlements to other computer system, both intra-organization and inter-organization. The electronic proof of entitlements in some embodiments are retained and maintained in an Internet-accessible license management database that can be used by customers via web-based support tools to access, view, print, transfer and update the electronic proofs of entitlement. These electronic proofs of entitlement may also be used by software vendor to verify entitlement for software upgrades and process purchases of additional entitlement.