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Expired Canadian patentCanada

Carcinoma-associated antigens, and antibodies which recognize these antigens

CA 1340110 C · Owner: Takahashi, Hiroshi · Inventors: Takahashi, Hiroshi; Wands, Jack R.

CIPO record

Overview

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Abstract From the Canadian patent

The present invention pertains to antigens of colon liver and, lung adenocarcinoma cells, to functional derivatives of these antigens and to antibodies and antibody fragments capable of binding these antigen. The invention further discloses methods of diagnosing and treating colon, liver or lung adenocarcinomas which employ the above molecules.

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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 November 3, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 3, 2015.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 9, 1988
GrantedNovember 3, 1998
Term endedNovember 3, 2015
Patent numberCA 1340110 C
Classification (IPC)C12N5/18 +2 more

Timeline

Timeline From CIPO dates

198919921995199820012004200720102013Application filedDec 9, 1988Patent grantedNov 3, 1998Term endedNov 3, 2015

Sources & verification

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