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System for verifying access based on a determined geographic location of a subscriber of a service provided via a computer network

  • US 8,213,898 B2
  • Filed: 04/18/2011
  • Issued: 07/03/2012
  • Est. Priority Date: 12/15/2004
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a service computer configured to provide a subscription service to a subscriber computer via a network, wherein access to the subscription service by the subscriber computer is limited based on a geographic location of the subscriber computer; and

    an event interface coupled to the service computer, wherein the event interface is configured to receive event information for a rules based event, wherein the subscription service includes communication of the event information to the subscriber computer,and wherein the service computer is further configured to;

    search a cached Internet Protocol (IP) address table based on subscriber information, wherein the cached IP address table includes a previously determined IP address for a subscriber associated with the subscriber information;

    compare the previously determined IP address for the subscriber with a current IP address of the subscriber; and

    when the previously determined IP address matches the current IP address, determine the geographic location based on stored geographic information that is associated with the previously determined IP address.

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