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Expired Canadian patentCanada

Anti-melanoma antibody mg-21 for diagnosis and therapy of human tumors

CA 1309040 C · Owner: Oncogen Limited Partnership · Inventors: Hellstrom, Ingegerd; Hellstrom, Karl E.

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Abstract From the Canadian patent

An antibody MG-21 which is directed against a tumorassociated glycolipid antigen and which is capable of activating serum complement or antibody dependent cellular cytotoxicity is described. This antibody finds use in the therapy of cancers particularly melanoma and glioma. Proper administration of the antibody results in lysis of the tumor cells in vivo.

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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 October 20, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 20, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 13, 1987
GrantedOctober 20, 1992
Term endedOctober 20, 2009
Patent numberCA 1309040 C
Classification (IPC)C07K16/30 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedFeb 13, 1987Patent grantedOct 20, 1992Term endedOct 20, 2009

Sources & verification

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