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Canadian application, no grantCanada

Method of treating neuropathy using a photo energy device

CA 2419043 A1 · Owner: Anodyne Therapeutics, Llc · Inventors: Bertwell, Dale E.

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 for the reduction of sensory impairment due to peripheral neuropathy comprising placing an apparatus which provides photo energy in proximity to the skin and/or, subcutaneous structures suffering from sensory impairment and irradiating the , skin and/or, subcutaneous structures with the apparatus with sufficient duration (total weeks of treatments), intensity (energy in Joules per treatment) and frequency (treatments per week) to reduce sensory, impairment.

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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 February 13, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 13, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 13, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 13, 2003
GrantedNo grant recorded
Term endedFebruary 13, 2023
Patent numberCA 2419043 A1
Classification (IPC)A61N5/06

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedFeb 13, 2003Term endedFeb 13, 2023

Sources & verification

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