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Expired Canadian patentCanada

Systems and methods for linking orders in electronic trading systems

CA 2380848 C · Owner: Espeed, Inc. · Inventors: Ginsberg, Philip M.; Woodmansey, Robert J.; Kirwin, Glenn D.

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Abstract From the Canadian patent

Systems and methods for linking orders in electronic trading systems are provided. These systems and methods enable a trader to select two or more items that are to be linked and specify linking parameters for those items. Any desired set of items may be linked and the linking parameters may include price adjustments, order sequencing instructions automatic/manual execution , controls, execution delays commands an dupdate frequency limits. Upon , detecting a bid or offer for a linked item the systems and methods may then , determine a size and a price for each linked item based upon the size and the price of the bid or offer for the first linked item. In this way the sizes , and 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 August 2, 2000 and granted June 20, 2017. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 2, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 2, 2022.
  • 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 2, 2000
GrantedJune 20, 2017
Term endedAugust 2, 2020
Patent numberCA 2380848 C
Classification (IPC)—

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Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedAug 2, 2000Patent grantedJune 20, 2017Term endedAug 2, 2020

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