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Expired Canadian patentCanada

Method and system for managing destination addresses

CA 2536727 C · Owner: Zender, Joerg Christof · Inventors: Zender, Joerg Christof; Vachon, Gaetan; Hebert, Patrice

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Abstract From the Canadian patent

A method for downloading destination addresses associated with a given client device from a server to the client device is disclosed. The method comprises the steps of determining a resource limitation of the client device sorting the addresses, and transmitting a subset of the sorted addresses from the server to the device wherein the transmitted sorted address subset is determined by the resource limitation. There is also provided a system and server for supporting Instant Messaging (IM). The system comprises a telecommunications network interconnecting a plurality of IM clients and an IM server the plurality of IM clients configured to exchange instant messages with one another via the …

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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 February 16, 2006 and granted January 12, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 16, 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.
FiledFebruary 16, 2006
GrantedJanuary 12, 2016
Term endedFebruary 16, 2026
Patent numberCA 2536727 C
Classification (IPC)H04L12/16 +1 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedFeb 16, 2006Patent grantedJan 12, 2016Term endedFeb 16, 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.