Patents by Inventor Bruce A. Keyt

Bruce A. Keyt 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).

  • Publication number: 20230203201
    Abstract: The present invention concerns binding molecules that comprise an IgM, IgA, IgG/IgM or IgG/IgA antibody with a J-chain modified to include an ADME-modulating moiety, and their uses.
    Type: Application
    Filed: November 11, 2022
    Publication date: June 29, 2023
    Inventors: Bruce A. KEYT, Leonard G. PRESTA, Ramesh BALIGA
  • Patent number: 11639389
    Abstract: The present invention provides binding molecules that include an IgM, IgA, IgG/IgM or IgG/IgA antibody with a modified J-chain that includes a binding moiety that antagonizes a T-cell inhibitory signaling pathway, and their uses.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: May 2, 2023
    Assignee: IGM Biosciences, Inc.
    Inventors: Bruce A. Keyt, Leonard G. Presta, Ramesh Baliga
  • Patent number: 11542342
    Abstract: The present invention concerns binding molecules that comprise an IgM, IgA, IgG/IgM or IgG/IgA antibody with a J-chain modified to include an ADME-modulating moiety, and their uses.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: January 3, 2023
    Assignee: IGM Biosciences, Inc.
    Inventors: Bruce A. Keyt, Leonard G. Presta, Ramesh Baliga
  • Patent number: 11492411
    Abstract: The present invention relates to novel antibodies, particularly antibodies directed against deletion mutants of epidermal growth factor receptor and particularly to the type III deletion mutant, EGFRvIII. The invention also relates to human monoclonal antibodies directed against deletion mutants of epidermal growth factor receptor and particularly to EGFRvIII. Diagnostic and therapeutic formulations of such antibodies, and immunoconjugates thereof, are also provided.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: November 8, 2022
    Assignee: Amgen Fremont Inc.
    Inventors: Richard F. Weber, Xiao Feng, Orit Foord, Larry L. Green, Jean M. Gudas, Bruce A. Keyt, Ying Liu, Palaniswami Rathanaswami, Robert Raya, Xiao Dong Yang, Jose R. F. Corvalan, Ian Foltz, Xiao-Chi Jia, Jaspal Singh Kang, Chadwick Terence King, Scott L. Klakamp, Qiaojuan Jane Su
  • Publication number: 20200255546
    Abstract: The present invention concerns binding molecules that comprise an IgM, IgA, IgG/IgM or IgG/IgA antibody with a J-chain modified to include an ADME-modulating moiety, and their uses.
    Type: Application
    Filed: January 16, 2020
    Publication date: August 13, 2020
    Inventors: Bruce A. Keyt, Leonard G. Presta, Ramesh Baliga
  • Patent number: 10618978
    Abstract: The present invention concerns binding molecules that comprise an IgM, IgA, IgG/IgM or IgG/IgA antibody with a J-chain modified to include an AD-ME-modulating moiety, and their uses.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: April 14, 2020
    Assignee: IGM Biosciences, Inc.
    Inventors: Bruce A. Keyt, Leonard G. Presta, Ramesh Baliga
  • Publication number: 20200062860
    Abstract: The present invention relates to novel antibodies, particularly antibodies directed against deletion mutants of epidermal growth factor receptor and particularly to the type III deletion mutant, EGFRvIII. The invention also relates to human monoclonal antibodies directed against deletion mutants of epidermal growth factor receptor and particularly to EGFRvIII. Diagnostic and therapeutic formulations of such antibodies, and immunoconjugates thereof, are also provided.
    Type: Application
    Filed: November 4, 2019
    Publication date: February 27, 2020
    Inventors: Richard F. Weber, Xiao Feng, Orit Foord, Larry L. Green, Jean M. Gudas, Bruce A. Keyt, Ying Liu, Palaniswami Rathanaswami, Robert Raya, Xiao Dong Yang, Jose R.F. Corvalan, Ian Foltz, Xiao-Chi Jia, Jaspal Singh Kang, Chadwick Terence King, Scott L. Klakamp, Qiaojuan Jane Su
  • Patent number: 10508153
    Abstract: The present invention relates to novel antibodies, particularly antibodies directed against deletion mutants of epidermal growth factor receptor and particularly to the type III deletion mutant, EGFRvIII. The invention also relates to human monoclonal antibodies directed against deletion mutants of epidermal growth factor receptor and particularly to EGFRvIII. Diagnostic and therapeutic formulations of such antibodies, and immunoconjugates thereof, are also provided.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: December 17, 2019
    Assignee: Amgen Fremont Inc.
    Inventors: Richard F. Weber, Xiao Feng, Orit Foord, Larry L. Green, Jean M. Gudas, Bruce A. Keyt, Ying Liu, Palaniswami Rathanaswami, Robert Raya, Xiao Dong Yang, Jose R. F. Corvalan, Ian Foltz, Xiao-Chi Jia, Jaspal Singh Kang, Chadwick Terence King, Scott L. Klakamp, Qiaojuan Jane Su
  • Publication number: 20190185570
    Abstract: The present invention provides binding molecules that include an IgM, IgA, IgG/IgM or IgG/IgA antibody with a modified J-chain that includes a binding moiety that antagonizes a T-cell inhibitory signaling pathway, and their uses.
    Type: Application
    Filed: September 30, 2016
    Publication date: June 20, 2019
    Inventors: Bruce A. Keyt, Leonard George Presta, Ramesh Baliga
  • Publication number: 20180265596
    Abstract: The present invention concerns binding molecules that comprise an IgM, IgA, IgG/IgM or IgG/IgA antibody with a J-chain modified to include an AD-ME-modulating moiety, and their uses.
    Type: Application
    Filed: September 30, 2016
    Publication date: September 20, 2018
    Inventors: Bruce A. Keyt, Leonard George Presta, Ramesh Baliga
  • Patent number: 10066011
    Abstract: Antibodies directed to the antigen Ang-2 and uses of such antibodies are described. In particular, fully human monoclonal antibodies directed to the antigen Ang-2. Nucleotide sequences encoding, and amino acid sequences comprising, heavy and light chain immunoglobulin molecules, particularly sequences corresponding to contiguous heavy and light chain sequences spanning the framework regions and/or complementarity determining regions (CDR's), specifically from FR1 through FR4 or CDR1 through CDR3. Hybridomas or other cell lines expressing such immunoglobulin molecules and monoclonal antibodies.
    Type: Grant
    Filed: September 15, 2014
    Date of Patent: September 4, 2018
    Assignee: MedImmune Limited
    Inventors: Larry L. Green, Qing Zhou, Bruce A. Keyt, Xiao-Dong Yang, Stephen Charles Emery, David Charles Blakey
  • Publication number: 20180118814
    Abstract: This disclosure provides a multimeric hepatitis B virus (HBV) protein binding molecule, e.g., a dimeric IgA or a pentameric or hexameric IgM binding molecule, comprising at least two bivalent binding units, or variants or fragments thereof, each comprising at least two antibody heavy chain constant regions or fragments thereof, wherein each heavy chain constant region or fragment thereof is associated with an HBV antigen binding domain. The disclosure also provides compositions comprising the multimeric binding molecules, polynucleotides encoding the multimeric binding molecules, and methods to make and use the multimeric binding molecules.
    Type: Application
    Filed: March 25, 2016
    Publication date: May 3, 2018
    Inventors: Stephen F. Carroll, Ramesh Baliga, Dean NG, Bruce A. Keyt
  • Patent number: 9409976
    Abstract: The present disclosure relates to Cell Death Inducing Molecule (“CDIM”) binding proteins and pharmaceutical compositions thereof. Particularly, the disclosure provides CDIM binding proteins that are useful in the selective depleting and killing of B cells, including neoplastic B cells as well as neoplastic cells that are not of B-cell origin that express CDIM-like antigens. In addition, the disclosure encompasses polynucleotides encoding the disclosed antigen binding proteins, and expression systems for producing the same. Further the present disclosure encompasses methods of treating patients with B cell proliferative- and mediated diseases by administering the CDIM binding proteins as well as diagnostic assays for identifying proteins that bind to CDIM. The disclosure further contemplates diagnostic assays for identifying patient populations that can be treated with the CDIM binding proteins.
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: August 9, 2016
    Assignee: IGM BIOSCIENCES, INC.
    Inventors: Nelson N. H. Teng, Neelima M. Bhat, Marcia M. Bieber, Bruce A. Keyt
  • Publication number: 20150315288
    Abstract: The present invention relates to novel antibodies, particularly antibodies directed against deletion mutants of epidermal growth factor receptor and particularly to the type III deletion mutant, EGFRvIII. The invention also relates to human monoclonal antibodies directed against deletion mutants of epidermal growth factor receptor and particularly to EGFRvIII. Diagnostic and therapeutic formulations of such antibodies, and immunoconjugates thereof, are also provided.
    Type: Application
    Filed: June 18, 2015
    Publication date: November 5, 2015
    Inventors: Richard F. Weber, Xiao Feng, Orit Foord, Larry L. Green, Jean M. Gudas, Bruce A. Keyt, Ying Liu, Palaniswami Rathanaswami, Robert Raya, Xiao Dong Yang, Jose R.F. Corvalan, Ian Foltz, Xiao-Chi Jia, Jaspal Singh Kang, Chadwick Terence King, Scott L. Klakamp, Qiaojuan Jane Su
  • Publication number: 20150125455
    Abstract: Antibodies directed to the antigen Ang-2 and uses of such antibodies are described. In particular, fully human monoclonal antibodies directed to the antigen Ang-2. Nucleotide sequences encoding, and amino acid sequences comprising, heavy and light chain immunoglobulin molecules, particularly sequences corresponding to contiguous heavy and light chain sequences spanning the framework regions and/or complementarity determining regions (CDR's), specifically from FR1 through FR4 or CDR1 through CDR3. Hybridomas or other cell lines expressing such immunoglobulin molecules and monoclonal antibodies.
    Type: Application
    Filed: September 15, 2014
    Publication date: May 7, 2015
    Inventors: Larry L. GREEN, Qing ZHOU, Bruce A. KEYT, Xiao-Dong YANG, Stephen Charles EMERY, David Charles BLAKEY
  • Patent number: 8834880
    Abstract: Antibodies directed to the antigen Ang-2 and uses of such antibodies are described. In particular, fully human monoclonal antibodies directed to the antigen Ang-2. Nucleotide sequences encoding, and amino acid sequences comprising, heavy and light chain immunoglobulin molecules, particularly sequences corresponding to contiguous heavy and light chain sequences spanning the framework regions and/or complementarity determining regions (CDR's), specifically from FR1 through FR4 or CDR1 through CDR3. Hybridomas or other cell lines expressing such immunoglobulin molecules and monoclonal antibodies.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: September 16, 2014
    Assignee: MedImmune Limited
    Inventors: Larry L. Green, Qing Zhou, Bruce A. Keyt, Xiao-Dong Yang, Stephen Charles Emery, David Charles Blakey
  • Publication number: 20140044739
    Abstract: The present disclosure relates to Cell Death Inducing Molecule (“CDIM”) binding proteins and pharmaceutical compositions thereof. Particularly, the disclosure provides CDIM binding proteins that are useful in the selective depleting and killing of B cells, including neoplastic B cells as well as neoplastic cells that are not of B-cell origin that express CDIM-like antigens. In addition, the disclosure encompasses polynucleotides encoding the disclosed antigen binding proteins, and expression systems for producing the same. Further the present disclosure encompasses methods of treating patients with B cell proliferative- and mediated diseases by administering the CDIM binding proteins as well as diagnostic assays for identifying proteins that bind to CDIM. The disclosure further contemplates diagnostic assays for identifying patient populations that can be treated with the CDIM binding proteins.
    Type: Application
    Filed: February 8, 2013
    Publication date: February 13, 2014
    Inventors: Nelson N. H. Teng, Neelima M. Bhat, Marcia M. Bieber, Bruce A. Keyt
  • Publication number: 20120052073
    Abstract: Antibodies directed to the antigen Ang-2 and uses of such antibodies are described. In particular, fully human monoclonal antibodies directed to the antigen Ang-2. Nucleotide sequences encoding, and amino acid sequences comprising, heavy and light chain immunoglobulin molecules, particularly sequences corresponding to contiguous heavy and light chain sequences spanning the framework regions and/or complementarity determining regions (CDR's), specifically from FR1 through FR4 or CDR1 through CDR3. Hybridomas or other cell lines expressing such immunoglobulin molecules and monoclonal antibodies.
    Type: Application
    Filed: June 27, 2011
    Publication date: March 1, 2012
    Applicant: Medlmmune Limited
    Inventors: Larry L. Green, Qing Zhou, Bruce A. Keyt, Xiao-Dong Yang, Stephen Charles Emery, David Charles Blakey
  • Patent number: 7973140
    Abstract: Antibodies directed to the antigen Ang-2 and uses of such antibodies are described. In particular, fully human monoclonal antibodies directed to the antigen Ang-2. Nucleotide sequences encoding, and amino acid sequences comprising, heavy and light chain immunoglobulin molecules, particularly sequences corresponding to contiguous heavy and light chain sequences spanning the framework regions and/or complementarity determining regions (CDR's), specifically from FR1 through FR4 or CDR1 through CDR3. Hybridomas or other cell lines expressing such immunoglobulin molecules and monoclonal antibodies.
    Type: Grant
    Filed: December 19, 2005
    Date of Patent: July 5, 2011
    Assignee: MedImmune Limited
    Inventors: Larry L. Green, Qing Zhou, Bruce A. Keyt, Xiao-Dong Yang, Stephen Charles Emery, David Charles Blakey
  • Patent number: 7572444
    Abstract: Binding proteins, such as fully human monoclonal antibodies and fragments thereof, directed to the antigen Matriptase and uses of such binding proteins are disclosed. Nucleotide sequences encoding, and amino acid sequences comprising heavy and light chain immunoglobulin molecules capable of binding to Matriptase are also disclosed. The invention also discloses cell lines expressing such immunoglobulin molecules and monoclonal antibodies to Matriptase. The antibodies can be used to detect, prevent, and treat diseases such as cancer.
    Type: Grant
    Filed: December 16, 2005
    Date of Patent: August 11, 2009
    Assignees: Amgen Fremont Inc., Dendreon Corporation
    Inventors: Ian Foltz, Chadwick King, Peter Koon Bong Ling, Jaspal Singh Kang, Kathy Manchulenko, Francine Chen, Caroline Darne Scatena, Bruce A. Keyt, Edwin Madison, Wayne R. Godfrey, Stanislaw K. Morkowski, Jennifer H. Richardson