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Expired Canadian patentCanada

Rna interferases and methods of use thereof

CA 2529142 C · Owner: Inouye, Masayori · Inventors: Zhang, Junjie; Zhang, Yong Long; Inouye, Masayori

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Abstract From the Canadian patent

The present invention is directed to the discovery of a novel family of enzymes designated herein as mRNA interferases that exhibit endoribonuclease activity. The novel finding of the present inventors therefore, presents new , applications for which mRNA interferase nucleic and amino acid sequences and , compositions thereof may be used to advantage. The invention also encompasses screening methods to identify compounds/agents capable of modulating mRNA interferase activity and methods for using such compounds/agents. Also provided is a kit comprising mRNA interferase nucleic and/or amino acid sequences, mRNA interferase activity compatible buffers and instruction , materials.

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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 14, 2004 and granted June 3, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 14, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 14, 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.
FiledJune 14, 2004
GrantedJune 3, 2014
Term endedJune 14, 2024
Patent numberCA 2529142 C
Classification (IPC)C12N15/55 +2 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedJune 14, 2004Patent grantedJune 3, 2014Term endedJune 14, 2024

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