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Expired Canadian patentCanada

Nucleotide and protein sequences of vertebrate delta genes and methods based thereon

CA 2226087 C · Owner: Gray, Grace E. · Inventors: Ish-Horowicz, David; Lewis, Julian H.; Gray, Grace E.

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Abstract From the Canadian patent

The present invention relates to nucleotide sequences of vertebrate Delta genes, and amino acid sequences of their encoded proteins as well as , derivatives (e.g. fragments) and analogs thereof. In a specific embodiment the vertebrate Delta protein is a human protein. The invention further relates to fragments (and derivatives and analogs thereof) of Delta which comprise one or more domains of the Delta protein, including but not limited to the intracellular domain, extracellular domain DSL domain, domain amino-terminal , to the DSL domain transmembrane region, or one or more EGF-like repeats of a Delta protein, or any combination of the foregoing. Antobidies to Delta its , derivatives …

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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 28, 1996 and granted January 31, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 28, 2016.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 28, 2018.
  • 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 28, 1996
GrantedJanuary 31, 2012
Term endedJune 28, 2016
Patent numberCA 2226087 C
Classification (IPC)C12N15/12 +2 more

Timeline

Timeline From CIPO dates

1997199920012003200520072009201120132015Application filedJune 28, 1996Patent grantedJan 31, 2012Term endedJune 28, 2016

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