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Expired Canadian patentCanada

Systems and methods for analyzing a user's web history

CA 2603087 C · Owner: Google Llc · Inventors: Korn, Jeffrey L; Zamir, Oren E; Fikes, Andrew

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A user's prior searching and browsing activities are recorded for subsequent use. A user may examine the user's prior searching and browsing activities in a number of different ways, including indications of the user's prior activities related to advertisements. A set of search results may be modified in accordance with the user's historical activities. The user's activities may be examined to identify a set of preferred locations. The user's set of activities may be shared with one or more other users. The set of preferred locations presented to the user may be enhanced to include the preferred locations of one or more other users. A user's browsing activities may be monitored …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed March 24, 2006 and granted December 9, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 24, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 24, 2006
GrantedDecember 9, 2014
Term endedMarch 24, 2026
Patent numberCA 2603087 C
Classification (IPC)—

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedMarch 24, 2006Patent grantedDec 9, 2014Term endedMarch 24, 2026

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.