Patents Assigned to Xencor, Inc.
  • Heterodimeric antibodies that bind CD3 and tumor antigens
    Patent number: 10913803
    Abstract: The present invention is directed to novel heterodimeric antibodies.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: February 9, 2021
    Assignee: Xencor, Inc.
    Inventors: Matthew J. Bernett, Gregory Moore, John Desjarlais, Seung Chu, Rumana Rashid, Umesh Muchhal, Sung-Hyung Lee
  • METHODS AND COMPOSITIONS FOR INHIBITING CD32B EXPRESSING CELLS
    Publication number: 20210009689
    Abstract: The present invention relates to immunoglobulins that bind Fc?RIIb+ cells and coengage the antigen on the cell's surface and an Fc?RIIb on the cell's surface, methods for their generation, and methods for using the immunoglobulins.
    Type: Application
    Filed: September 23, 2020
    Publication date: January 14, 2021
    Applicant: XENCOR, INC.
    Inventors: Seung Yup Chu, John R. Desjarlais, Sher Bahadur Karki, Gregory Alan Lazar, Gregory L. Moore, Igor Vostiar
  • METHODS AND COMPOSITIONS FOR INHIBITING CD32B EXPRESSING CELLS
    Publication number: 20210009690
    Abstract: The present invention relates to immunoglobulins that bind Fc?RIIb+ cells and coengage the antigen on the cell's surface and an Fc?RIIb on the cell's surface, methods for their generation, and methods for using the immunoglobulins.
    Type: Application
    Filed: September 24, 2020
    Publication date: January 14, 2021
    Applicant: XENCOR, INC.
    Inventors: Seung Yup Chu, John R. Desjarlais, Sher Bahadur Karki, Gregory Alan Lazar, Gregory L. Moore, Igor Vostiar
  • Heterodimeric antibodies that bind CD3 and tumor antigens
    Patent number: 10889653
    Abstract: The present invention is directed to novel heterodimeric antibodies.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: January 12, 2021
    Assignee: Xencor, Inc.
    Inventors: Matthew J. Bernett, Gregory Moore, John Desjarlais, Seung Chu, Rumana Rashid, Umesh Muchhal, Sung-Hyung Lee
  • Bispecific antibodies that bind to CD38 and CD3
    Patent number: 10858451
    Abstract: The invention provides novel heterodimeric proteins including heterodimeric antibodies.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: December 8, 2020
    Assignee: Xencor, Inc.
    Inventors: Matthew J. Bernett, Seung Y. Chu, Gregory Moore, John Desjarlais
  • Heterodimeric proteins
    Patent number: 10858417
    Abstract: In one aspect, the present invention provides heterodimeric antibodies comprising a first monomer comprising a first heavy chain constant domain comprising a first variant Fc domain and a first antigen binding domain and a second monomer comprising a second heavy chain constant domain comprising a second variant Fc domain and a second antigen binding domain. In an additional aspect the heterodimeric antibody comprises a first monomer comprising a heavy chain comprising a first Fc domain and a single chain Fv region (scFv) that binds a first antigen, wherein the scFv comprises a charged scFv linker. The heterodimeric antibody further comprises a second monomer comprising a first heavy chain comprising a second Fc domain and a first variable heavy chain and a first light chain.
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: December 8, 2020
    Assignee: Xencor, Inc.
    Inventors: Gregory Moore, Matthew Bernett, Rumana Rashid, John Desjarlais
  • Heterodimeric human IgG1 polypeptides with isoelectric point modifications
    Patent number: 10851178
    Abstract: The invention relates generally to compositions and methods for purifying the desired species from a mixture of desired heterodimer and contaminating homodimer immunoglobulin variants by modifying the isoelectric point(s) of the individual chains.
    Type: Grant
    Filed: October 10, 2012
    Date of Patent: December 1, 2020
    Assignee: Xencor, Inc.
    Inventors: Matthew J. Bernett, Gregory L. Moore, John Desjarlais, Rumana Rashid
  • OPTIMIZED ANTIBODIES THAT TARGET CD19
    Publication number: 20200317804
    Abstract: The present invention describes antibodies that target CD19, wherein the antibodies comprise at least one modification relative to a parent antibody, wherein the modification alters affinity to an Fc?R or alters effector function as compared to the parent antibody. Also disclosed are methods of using the antibodies of the invention.
    Type: Application
    Filed: April 1, 2020
    Publication date: October 8, 2020
    Applicant: XENCOR, INC.
    Inventors: Matthew J. Bernett, Seung Yup Chu, John R. Desjarlais, Sher Bahadur Karki, Gregory Alan Lazar, Erik Weiking Pong, John O. Richards, Eugene Alexander Zhukovsky
  • Bispecific immunomodulatory antibodies that bind costimulatory and checkpoint receptors
    Patent number: 10793632
    Abstract: The present invention is directed to bispecific, heterodimeric immunomodulatory antibodies.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: October 6, 2020
    Assignee: Xencor, Inc.
    Inventors: Matthew Bernett, Gregory Moore, John Desjarlais, Michael Hedvat, Christine Bonzon
  • Bispecific checkpoint inhibitor antibodies
    Patent number: 10787518
    Abstract: The present invention is directed to compositions that include programmed cell death 1 (PD-1) binding domains and antibodies that include such PD-1 binding domains. Also provided are nucleic acid compositions that encode the binding domains and antibodies, expression vector compositions that include the nucleic acids, and host cells that include the expression vector compositions.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: September 29, 2020
    Assignee: Xencor, Inc.
    Inventors: Matthew Bernett, Gregory Moore, John Desjarlais, Michael Hedvat, Christine Bonzon, Alex Nisthal
  • Complement component C5 antibodies
    Patent number: 10752678
    Abstract: The present disclosure relates to antibodies and polynucleotides encoding the same, that may be used to prevent, control, or reduce the activity of the complement pathway. In addition, the disclosure is directed to compositions and methods for diagnosing and treating diseases mediated by or involving complement C5. Specifically, the disclosure is related to C5 antibodies.
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: August 25, 2020
    Assignees: ALLERGAN, INC., XENCOR, INC.
    Inventors: Peter C. Baciu, Yanbin Liang, Jason Guu, Matthew Bernett, Umesh Muchhal, John Desjarlais
  • Heterodimeric proteins
    Patent number: 10738132
    Abstract: The invention provides novel heterodimeric proteins including heterodimeric antibodies.
    Type: Grant
    Filed: January 14, 2014
    Date of Patent: August 11, 2020
    Assignee: Xencor, Inc.
    Inventors: John R. Desjarlais, Gregory L. Moore, Rumana Rashid, Matthew J. Bernett
  • Heterodimeric proteins
    Patent number: 10738133
    Abstract: The invention provides novel heterodimeric proteins including heterodimeric antibodies.
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: August 11, 2020
    Assignee: Xencor, Inc.
    Inventors: Gregory Moore, Matthew Bernett, Rumana Rashid, John Desjarlais
  • METHODS OF TREATING NEUROLOGICAL DISEASES
    Publication number: 20200172590
    Abstract: The present disclosure is directed to a method of treating neurological disorder comprising measuring c-reactive protein in a patient and peripherally administering to the patient a DN-TNF polypeptide that inhibits the activity of soluble TNF-but not transmembrane TNF-?.
    Type: Application
    Filed: April 1, 2019
    Publication date: June 4, 2020
    Applicant: XENCOR, INC.
    Inventors: David Szymkowski, Malu Tansey, Lesley Probert
  • Optimized antibodies that target CD19
    Patent number: 10626182
    Abstract: The present invention describes antibodies that target CD19, wherein the antibodies comprise at least one modification relative to a parent antibody, wherein the modification alters affinity to an Fc?R or alters effector function as compared to the parent antibody. Also disclosed are methods of using the antibodies of the invention.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: April 21, 2020
    Assignee: Xencor, Inc.
    Inventors: Matthew J. Bernett, Seung Yup Chu, John R. Desjarlais, Sher Bahadur Karki, Gregory Alan Lazar, Erik Weiking Pong, John O. Richards, Eugene Alexander Zhukovsky
  • Fc variants with increased affinity for Fc?RIIc
    Patent number: 10584176
    Abstract: The present invention relates to Fc variants having increased affinity for Fc?RIIc, methods for their generation, Fc polypeptides comprising optimized Fc variants, and methods for using optimized Fc variants.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: March 10, 2020
    Assignee: Xencor, Inc.
    Inventors: Gregory Lazar, Wei Dang, John Desjarlais, Sher Bahadur Karki, Omid Vafa, Robert Hayes
  • METHODS AND COMPOSITIONS FOR INHIBITING CD32B EXPRESSING CELLS
    Publication number: 20200071402
    Abstract: The present invention relates to immunoglobulins that bind Fc?RIIb+ cells and coengage the antigen on the cell's surface and an Fc?RIIb on the cell's surface, methods for their generation, and methods for using the immunoglobulins.
    Type: Application
    Filed: November 14, 2019
    Publication date: March 5, 2020
    Applicant: XENCOR, INC.
    Inventors: Seung Yup Chu, John R. Desjarlais, Sher Bahadur Karki, Gregory Alan Lazar, Gregory L. Moore, Igor Vostiar
  • Anti-CD39 antibodies and uses thereof
    Patent number: 10556959
    Abstract: The present disclosure relates generally to anti-CD39 antibodies, including antibody-drug conjugates comprising the antibodies, and methods of their use.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: February 11, 2020
    Assignee: Xencor, Inc.
    Inventors: Guoqing Chen, Gregory M. Hayes, Jan-Willem Theunissen, Edward Thein H. Van Der Horst, Leonard G. Presta
  • Bispecific heterodimeric fusion proteins containing IL-15-IL-15R? Fc-fusion proteins and PD-1 antibody fragments
    Patent number: 10550185
    Abstract: The present invention is directed to novel bispecific heterodimeric Fc fusion proteins comprising an IL-15/IL-15R? Fc-fusion protein and a PD-1 antibody fragment-Fc fusion protein.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: February 4, 2020
    Assignee: Xencor, Inc.
    Inventors: Matthew Bernett, Rumana Rashid, John Desjarlais, Rajat Varma, Christine Bonzon
  • Targeting regulatory T cells with heterodimeric proteins
    Patent number: 10544187
    Abstract: The present invention relates to methods and compositions for modulating T cells. The modulation includes suppressing or inducing regulatory T cells or cytotoxic T cells.
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: January 28, 2020
    Assignee: Xencor, inc.
    Inventors: Seung Chu, Matthew Bernett, Dilki Wickramarachchi, John Desjarlais