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Expired Canadian patentCanada

Natural language classification within an automated response system

CA 2826116 C · Owner: Microsoft Corporation · Inventors: Hill, Jeffrey; Williams, David R.

CIPO record

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Abstract From the Canadian patent

An automated response system (e.g. an automated voice response system) may employ learning strategies to develop or improve automated response capabilities. Learning strategies may include using communications (e.g. utterances text messages, etc.) of one party in a conversation (e.g. a customer service agent) to identify and categorize communications of another party in the conversation (e.g. a caller). Classifiers can be build from the categorized communications. Classifiers can be used to identify common communications patterns of a party in a conversation (e.g. an agent). Learning strategies may also include selecting communications as learning opportunities to improve automated response …

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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 September 7, 2005 and granted July 8, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 7, 2025.
  • 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.
FiledSeptember 7, 2005
GrantedJuly 8, 2014
Term endedSeptember 7, 2025
Patent numberCA 2826116 C
Classification (IPC)H04M3/51 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedSep 7, 2005Patent grantedJuly 8, 2014Term endedSep 7, 2025

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