Patent ID: 8224852

Claim:
A method for protecting at least parts of product data assigned to a product identified by an RFID tag from unauthorized access, the method comprising: an RFID access system querying the RFID tag for an identification ID and an access token, the access token empowering the RFID access system to access product data associated with the product identified by the RFID tag; the RFID access system receiving a response from the RFID tag including the requested identification ID and access token; in response to receiving the identification ID and access token from the RFID tag, the RFID access system communicating the identification ID and access token to a server storing the product data associated with the product identified by the RFID tag; the server authenticating the RFID access system by determining, based on the access token received from the RFID access system, whether the product identified by the RFID tag is located in a discretionary area of the RFID access system; and the server providing the RFID access system access to the product data associated with the product only if server determines based on the access token that the product is located in the discretionary area of the RFID access system, wherein the server otherwise prevents access to the product data associated with the product.