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Expired Canadian patentCanada

Semantic object synchronous understanding for highly interactive interface

CA 2467134 C · Owner: Microsoft Technology Licensing, Llc · Inventors: Wang, Kuansan

CIPO record

Overview

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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 system provide a speech input mode which dynamically reports partial semantic parses, while audio captioning is still in progress. The semantic parses can be evaluated with an outcome immediately reported back to the user. The net effect is that task conventionally performed in the system turn are now carried out in the midst of the user turn thereby presenting a significant departure from the turn-taking nature of a spoken dialogue.

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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 13, 2004 and granted March 5, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 13, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 13, 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 13, 2004
GrantedMarch 5, 2013
Term endedMay 13, 2024
Patent numberCA 2467134 C
Classification (IPC)G06F3/00 +2 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedMay 13, 2004Patent grantedMarch 5, 2013Term endedMay 13, 2024

Sources & verification

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