Patents by Inventor John David Firth

John David Firth has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Methods for expressing nucleic acid sequences using nucleic acid constructs comprising hypoxia response elements
    Patent number: 6265390
    Abstract: Nucleic acid constructs comprising hypoxia response elements in operable linkage with a coding sequence of a gene of interest, and methods for expressing a nucleic acid sequence using the constructs, are disclosed. In particular, such nucleic acid constructs comprise genes encoding prodrug activation systems or cytokines.
    Type: Grant
    Filed: February 22, 1999
    Date of Patent: July 24, 2001
    Assignee: Oxford Biomedica (UK) Limited
    Inventors: Peter John Ratcliffe, John David Firth, Adrian Llewllyn Harris, Christopher William Pugh, Ian James Stratford
  • Nucleic acid constructs comprising hypoxia response elements
    Patent number: 5942434
    Abstract: Nucleic acid constructs comprising hypoxia response elements in operable linkage with a coding sequence of a gene of interest are disclosed. In particular, such nucleic acid constructs comprise genes encoding pro-drug activation systems or cytokines.
    Type: Grant
    Filed: December 12, 1996
    Date of Patent: August 24, 1999
    Assignee: Oxford Biomedica (UK) Limited
    Inventors: Peter John Ratcliffe, John David Firth, Adrian Llewllyn Harris, Christopher William Pugh, Ian James Stratford