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Expired Canadian patentCanada

Nucleic acids and corresponding proteins entitled 273p4b7 useful in treatment and detection of cancer

CA 2493928 C · Owner: Challita-Eid, Pia M. · Inventors: Jakobovits, Aya; Ge, Wangmao; Raitano, Arthur B.

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Abstract From the Canadian patent

A novel gene 273P487 and its encoded protein and variants thereof, are , described wherein 273P487 exhibits tissue specific expression in normal adult tissue, and is aberrantly expressed in the cancers listed in Table I. Consequently, 273P4B7 provides a diagnostic prognostic, prophylactic and/or , therapeutic target for cancer. The 273P487 gene or fragment thereof or its , encoded protein, or variants thereof or a fragment thereof, can be used to elicit a humoral or cellular immune response; antibodies or T cells reactive with 273P4B7 can be used in active or passive immunization.

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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 August 15, 2003 and granted April 1, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 15, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 15, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 15, 2003
GrantedApril 1, 2014
Term endedAugust 15, 2023
Patent numberCA 2493928 C
Classification (IPC)C12N15/12 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedAug 15, 2003Patent grantedApril 1, 2014Term endedAug 15, 2023

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