Patent ID: 8051038

Claim:
A computer-implemented system for maintaining a set of databases, which databases contain postal address information concerning postal mail recipients comprising: a first server that stores a master database of address information records that is updated on an intermittent basis; a second server that stores a computer-searchable, enhanced database of the same records as the master database, where the enhanced database includes additional information for each of the records that is not replicated to the master database, the additional information including at least one of more recent data than is found in the master database, mailing statistics, address updates from financial institutions, nicknames, educational titles, military titles, addressee gender information, identity theft information, hot list status, addressee death records, real property ownership records, or business incorporation records, wherein the second server is configured to receive intermittent address change updates from the master database and incorporate the updates into the enhanced database, and wherein the second server is configured to electronically input address change information from sources other than the master database into the enhanced database between intermittent updates of the master database, which information from other sources is more recent than information then reflected in the master database, and to revise the enhanced database to contain such more recent information; and at least one subscriber server storing records containing information of the same type as stored in the enhanced database and master database, wherein the second server is configured to distribute information from the enhanced database to one or more of the subscriber servers, and wherein the second server updates the enhanced database with local change of address information forwarded to the enhanced database by subscribers.