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Expired Canadian patentCanada

Human c3b/c4b receptor (cr1)

CA 1340866 C · Owner: Brigham And Women'S Hospital, Inc. · Inventors: Wong, Winnie W.; Concino, Michael F.; Ip, Stephen H.

CIPO record

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Abstract From the Canadian patent

The present invention relates to the C3b/C4b receptor (CR1) gene and its encoded protein. The invention also relates to CR1 nucleic acid sequences and fragments thereof comprising 70 nucleotides and their encoded peptides or proteins comprising 24 amino acids. The invention further provides for the expression of the CR1 protein and fragments thereof. The genes and proteins of the invention have uses in diagnosis and therapy of disorders involving complement activity, and various immune system or inflammatory disorders. In specific embodiments of the present invention detailed in the examples sections infra the cloning, nucleotide sequence, and deduced amino acid sequence of a full-length …

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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

  • Granted December 28, 1999. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 28, 2016.
  • 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 31, 1989
GrantedDecember 28, 1999
Term endedDecember 28, 2016
Patent numberCA 1340866 C
Classification (IPC)C12N15/12 +2 more

Timeline

Timeline From CIPO dates

199019931996199920022005200820112014Application filedMarch 31, 1989Patent grantedDec 28, 1999Term endedDec 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.