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Expired Canadian patentCanada

A pharmaceutical composition containing an antibody recognizing the cdw52 antigen

CA 2060384 C · Owner: British Technology Group Limited · Inventors: Hale, Geoffrey; Waldmann, Herman

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The invention relates to a method of treatment of a human or animal subject suffering from T-cell mediated inflammation of the joints, such as rheumatoid arthritis which comprises administering to said subject an effective amount of an antibody recognising the CDw52 antigen. Preferably the antibody is CAMPATH-1H administered in an amount of 1 to about 100mg per day for a period between 1 and 30 days.

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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 January 30, 1992 and granted June 12, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 30, 2012.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 30, 2014.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 30, 1992
GrantedJune 12, 2001
Term endedJanuary 30, 2012
Patent numberCA 2060384 C
Classification (IPC)A61K39/39

Timeline

Timeline From CIPO dates

1993199519971999200120032005200720092011Application filedJan 30, 1992Patent grantedJune 12, 2001Term endedJan 30, 2012

Sources & verification

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