System for controlling the number of concurrent copies of a program in a network based on the number of available licenses

  • US 5,390,297 A
  • Filed: 11/10/1987
  • Issued: 02/14/1995
  • Est. Priority Date: 11/10/1987
  • Status: Expired due to Term
First Claim
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1. A computer network comprising:

  • a plurality of license storage keys;

    a plurality of computers each in association with one of said license storage keys;

    means for transferring a license from one of said keys to another of said keys;

    means for preventing a program from running on a computer if the key associated with that computer does not contain an available license for that program.

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