Patent ID: 8655784

Claim:
A system for generating a digital empowerment certificate signed with a digital signature by a signing entity, the system comprising: one or more computer devices configured to: determine the digital signature; set a period of validity; generate the digital empowerment certificate with one or more attributes of a described entity, one or more attributes of the of an electronic property, one or more attributes identifying the signing entity, and the period of validity; and append the digital signature to the digital empowerment certificate, wherein the digital empowerment certificate is a computer-readable file that, when processed by the one or more computer devices, establishes an assignment of ownership of the electronic property from the signing entity to a relying entity; and wherein, after appending the digital signature, the digital empowerment certificate includes: the digital signature; the one or more attributes of a described entity; the one or more attributes of the electronic property; the one or more attributes identifying the signing entity; and the period of validity of the digital empowerment certificate, the period of validity beginning earlier than a time of the generating the digital empowerment certificate.