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Expired Canadian patentCanada

Treatment of pml targeting jc virus agno

CA 2467930 C · Owner: Okada, Yuki · Inventors: Okada, Yuki; Nagashima, Kazuo; Sawa, Hirofumi

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

It is intended to provide an effective method of treating PML (human progressive multifocal leukoencephalopathy). A method of inhibiting the proliferation of JC virus in JC virus-infected cells by inhibiting the expression of JV virus agno gene; and a method of inhibiting the canceration of JC virus-infected cells.

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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 June 5, 2002 and granted February 19, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 5, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 5, 2024.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 5, 2002
GrantedFebruary 19, 2013
Term endedJune 5, 2022
Patent numberCA 2467930 C
Classification (IPC)C12N7/04 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedJune 5, 2002Patent grantedFeb 19, 2013Term endedJune 5, 2022

Sources & verification

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