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Restricting use of a digital item stored in a client computer by sending an instruction from a server computer via a network

  • US 9,349,021 B1
  • Filed: 04/09/2014
  • Issued: 05/24/2016
  • Est. Priority Date: 01/07/2000
  • Status: Expired due to Term
First Claim
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1. A method comprising the following steps performed by a server computer system:

  • establishing an account with the server computer system for each of a plurality of users, said each of the plurality of users capable of establishing a connection with the server computer system via their respective client computers;

    receiving a first instruction that the digital item stored on the first client computer should be restricted, wherein the first instruction is received at the server computer system from a second client computer;

    receiving one or more identification parameters from the first client computer;

    determining at the server computer system that use of a digital item on a first client computer should be restricted based on (a) the first instruction, and (b) one or more identification parameters received from the first client computer; and

    sending a message to the first client computer, the message including a second instruction to restrict the first client computer from using the digital item.

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