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Expired Canadian patentCanada

Men1, the gene associated with multiple endocrine neoplasia type 1, menin polypeptides, and uses thereof

CA 2283476 C · Owner: Chandrasekharappa, Settara C. · Inventors: Spiegel, Allen M.; Guru, Siradanahalli C.; Zhuang, Zhengping

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Abstract From the Canadian patent

This invention relates to the discovery of a novel tumor suppressor gene which is associated with multiple endocrine neoplasia type 1. The gene has been designated MEN1 and the gene product is menin. The absence of this protein and associated mutations in the corresponding gene have been identified in individuals suffering from multiple endocrine neoplasia type 1. The identification of this marker for multiple endocrine neoplasia type 1 has diagnostic uses as well as for gene therapy.

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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 4, 1998 and granted August 14, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 4, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 4, 2020.
  • 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 4, 1998
GrantedAugust 14, 2012
Term endedMarch 4, 2018
Patent numberCA 2283476 C
Classification (IPC)C12N15/12 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedMarch 4, 1998Patent grantedAug 14, 2012Term endedMarch 4, 2018

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