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Expired Canadian patentCanada

Manganese superoxide dismutase exon 3-deleted isoforms and nucleic acid molecules encoding the isoforms

CA 2321934 C · Owner: Mitotek, Llc · Inventors: Anziano, Paul Q.

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Abstract From the Canadian patent

A new isoform of manganese superoxide dismutase (MnSOD) and polynucleotides encoding it have been identified. This isoform MnSOD E3(-), is a splice , variant lacking exon 3 of the full length MnSOD. The polypeptide can be expressed using appropriate host cells. Modulation of either the expression of the polynucleotides of the activity of the polypeptide is also described. Furthermore, diagnostic and therapeutic methods have been developed as a consequence of the isolation of the polynucleotides and polypeptides.

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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 25, 1999 and granted February 21, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 25, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 25, 2021.
  • 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 25, 1999
GrantedFebruary 21, 2012
Term endedFebruary 25, 2019
Patent numberCA 2321934 C
Classification (IPC)C07H21/04 +2 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedFeb 25, 1999Patent grantedFeb 21, 2012Term endedFeb 25, 2019

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