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Expired Canadian patentCanada

Methods for diagnosing skin lesions

CA 2518082 C · Owner: Lee, James H. · Inventors: Lee, James H.; Fox, Terrance L.; Miller, Richard L.

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

Methods for diagnosing skin lesions are disclosed. Generally the method , include topically administering an IRM compound to a treatment area for a period of time and in an amount effective to cause a visible change in the appearance of a skin lesion including, in some cases causing subclinical , lesions to become visible. Suitable IRM compounds include agonists of one or more TLRs.

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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 March 12, 2004 and granted February 12, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 12, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 12, 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.
FiledMarch 12, 2004
GrantedFebruary 12, 2013
Term endedMarch 12, 2024
Patent numberCA 2518082 C
Classification (IPC)A61K49/00 +1 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedMarch 12, 2004Patent grantedFeb 12, 2013Term endedMarch 12, 2024

Sources & verification

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