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Identifying and/or blocking ads such as document-specific competitive ads

  • US 20050055271A1
  • Filed: 09/05/2003
  • Published: 03/10/2005
  • Est. Priority Date: 09/05/2003
  • Status: Active Grant
First Claim
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1. A method for blocking advertisements, the method comprising:

  • a) accepting at least one category of ads to be blocked;

    b) accepting at least one ad, each ad being associated with at least one category; and

    c) preventing an ad from being served if at least a predetermined number of its at least one category match any of the at least one category of ads to be blocked.

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