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Expired Canadian patentCanada

Routing advertisement authentication in fast router discovery

CA 2618664 C · Owner: Krishnan, Suresh · Inventors: Krishnan, Suresh; Haddad, Wassim

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 method and a Mobile Node (110) are provided for authenticating an Advertisement message received from an Access Router (150,160) through an Access Point (120,130,140) . The Advertisement message comprises a Hashed Nonce Value and a Nonce Index corresponding to a Nonce Value held in the Access Router. Upon receiving the Advertisement message from the Access Point the Mobile Node initiates a process for configuring an IP address by use of , information received in the Advertisement for having a session with the , Access Point and the Access Router. In parallel either the Access Point or , the Mobile Node sends the Nonce Index directly to the Access Router. The Access Router replies …

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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 August 1, 2006 and granted April 22, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 1, 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.
FiledAugust 1, 2006
GrantedApril 22, 2014
Term endedAugust 1, 2026
Patent numberCA 2618664 C
Classification (IPC)—

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedAug 1, 2006Patent grantedApril 22, 2014Term endedAug 1, 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.