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Expired Canadian patentCanada

System and method for integrating an address book with an instant messaging application in a mobile station

CA 2535431 C · Owner: Research In Motion Limited · Inventors: Klassen, Gerhard D.; Dunk, Craig A.; Hardy, Michael Thomas

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 system for integrating an address book application with an instant messaging application in a mobile station is provided. An instant messaging database may be used to store instant messaging data the instant messaging data including , instant messaging contacts and instant messaging (IM) presence information to indicate whether the instant messaging contacts may currently be accessed by the instant messaging application. An address book database may be used for storing address book data. An aggregated data viewer may be used to relate instant messaging data from the instant messaging database with address book data from the address book database.

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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 May 21, 2004 and granted January 22, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 21, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 21, 2026.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 21, 2004
GrantedJanuary 22, 2013
Term endedMay 21, 2024
Patent numberCA 2535431 C
Classification (IPC)H04W4/12 +1 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedMay 21, 2004Patent grantedJan 22, 2013Term endedMay 21, 2024

Sources & verification

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