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Expired Canadian patentCanada

Devices and methods for selecting intraocular lenses

CA 2587432 C · Owner: Amo Groningen B.V. · Inventors: Norrby, Sverker

CIPO record

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Abstract From the Canadian patent

The invention relates to devices and methods for selecting IOLs (30) for implantation and eye models (20) useful with the methods. One method comprises the steps of determining the axial eye length (AL) the pupil size at a , desired light level; the desired postoperative refraction; determining an aspheric representation of the corneal curvature and determining the location of the plane of fixation of the IOL (LHP) following implantation.

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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 November 11, 2005 and granted October 29, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 11, 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.
FiledNovember 11, 2005
GrantedOctober 29, 2013
Term endedNovember 11, 2025
Patent numberCA 2587432 C
Classification (IPC)A61F2/16

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedNov 11, 2005Patent grantedOct 29, 2013Term endedNov 11, 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.