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Authenticating and managing item ownership and authenticity

  • US 10,387,695 B2
  • Filed: 01/05/2016
  • Issued: 08/20/2019
  • Est. Priority Date: 11/08/2013
  • Status: Active Grant
First Claim
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1. A method implemented by a reading device, the method comprising:

  • communicating with a tagging device affixed to an item;

    receiving tagging device data and item data from the tagging device, wherein the tagging device data comprise a first digital signature and a first time stamp;

    sending the tagging device data and the item data to an authentication server;

    receiving an authentication of the tagging device from the authentication server;

    requesting an authentication tag in response to receiving the authentication; and

    receiving the authentication tag,wherein the authentication tag comprises a second digital signature and a second time stamp, andwherein the authentication tag verifies authenticity of the item at a time identified by the second time stamp.

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