Patent ID: 8139869

Claim:
A system for comparing documents, the system comprising at least one document reader configured to read information from a first document and a second document, wherein the first and second documents are different types of documents that are carried by an individual; and a processor having access to the information read from the first and second document and configured to execute instructions stored in a memory to: identify common fields between the first and second documents, wherein the common fields in each of the first and second documents includes information obtained by the at least one document reader; compare the information from the common fields in the first document with the information from the common fields in the second document; based upon the comparison of the information from the common fields from the first and second documents, determine whether the information from the common fields in the first document is substantially identical to the information from the common fields in the second document; if the information from the common fields is substantially identical, providing an indication that the first document matches the second document; and if the information from the common fields is not substantially identical, providing an indication that the first document does not match the second document.