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Expired Canadian patentCanada

High density protein arrays for screening of protein activity

CA 2408291 C · Owner: Yale University · Inventors: Snyder, Michael; Reed, Mark; Zhu, Heng

CIPO record

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Abstract From the Canadian patent

The present invention relates to protein chips useful for the large-scale study of protein function where the chip contains densely packed reaction wells. The invention also relates to methods of using protein chips to assay simultaneously the presence, amount, and/or function of proteins present in a protein sample or on one protein chip, or to assay the presence relative , specificity, and binding affinity of each probe in a mixture of probes for each of the proteins on the chip. The invention also relates to methods of using the protein chips for high density and small volume chemical reactions. Also, the invention relates to polymers useful as protein chip substrates and methods …

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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 May 4, 2001 and granted July 15, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 4, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 4, 2023.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 4, 2001
GrantedJuly 15, 2014
Term endedMay 4, 2021
Patent numberCA 2408291 C
Classification (IPC)C40B40/10 +2 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedMay 4, 2001Patent grantedJuly 15, 2014Term endedMay 4, 2021

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