Patents by Inventor Omid Vafa

Omid Vafa 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: 20180208668
    Abstract: The present invention relates to Fc variants having decreased affinity for Fc?RIIb, methods for their generation, Fc polypeptides comprising optimized Fc variants, and methods for using optimized Fc variants.
    Type: Application
    Filed: December 12, 2017
    Publication date: July 26, 2018
    Inventors: Gregory Lazar, Wei Dang, John Desjarlais, Sher Karki, Omid Vafa, Robert Hayes, Jost Vielmetter
  • Publication number: 20180141997
    Abstract: The present invention relates to optimized Fc variants, methods for their generation, and antibodies and Fc fusions comprising optimized Fc variants.
    Type: Application
    Filed: June 26, 2017
    Publication date: May 24, 2018
    Inventors: Gregory Alan Lazar, Arthur J. Chirino, Wei Dang, John R. Desjarlais, Stephen K. Doberstein, Robert J. Hayes, Sher Bahadur Karki, Omid Vafa
  • Patent number: 9714282
    Abstract: The present invention relates to optimized Fc variants, methods for their generation, and antibodies and Fc fusions comprising optimized Fc variants.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: July 25, 2017
    Assignee: Xencor, Inc.
    Inventors: Gregory Alan Lazar, Arthur J. Chirino, Wei Dang, John R. Desjarlais, Stephen K. Doberstein, Robert J. Hayes, Sher Bahadur Karki, Omid Vafa
  • Publication number: 20170204193
    Abstract: Antibody and other Fc-containing molecules with variations in the Fc region reduce binding to Fc gamma receptors and resulting activity and can be used in the treatment of various diseases and disorders.
    Type: Application
    Filed: March 20, 2017
    Publication date: July 20, 2017
    Inventors: William Strohl, Omid Vafa
  • Publication number: 20170166655
    Abstract: The present invention relates to Fc variants with optimized Fc ligand binding properties, methods for their generation, Fc polypeptides comprising Fc variants with optimized Fc ligand binding properties, and methods for using same.
    Type: Application
    Filed: January 13, 2017
    Publication date: June 15, 2017
    Inventors: Gregory Alan Lazar, Bassil Dahiyat, Wei Dang, John Desjarlais, Sher Bahadur Karki, Omid Vafa, Robert Hayes, Jost Vielmetter
  • Patent number: 9663582
    Abstract: The present invention relates to Fc variants having decreased affinity for Fc?RIIb, methods for their generation, Fc polypeptides comprising optimized Fc variants, and methods for using optimized Fc variants.
    Type: Grant
    Filed: July 8, 2014
    Date of Patent: May 30, 2017
    Assignee: Xencor, Inc.
    Inventors: Gregory Lazar, Wei Dang, John Desjarlais, Sher Karki, Omid Vafa, Robert Hayes, Jost Vielmetter
  • Patent number: 9657106
    Abstract: The present invention relates to Fc variants having decreased affinity for Fc?RIIb, methods for their generation, Fc polypeptides comprising optimized Fc variants, and methods for using optimized Fc variants.
    Type: Grant
    Filed: October 6, 2014
    Date of Patent: May 23, 2017
    Assignee: Xencor, Inc.
    Inventors: Gregory Lazar, Wei Dang, John Desjarlais, Sher Karki, Omid Vafa, Robert Hayes, Jost Vielmetter
  • Patent number: 9637549
    Abstract: Antibody and other Fc-containing molecules with variations in the Fc region reduce binding to Fc gamma receptors and resulting activity and can be used in the treatment of various diseases and disorders.
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: May 2, 2017
    Assignee: Janssen Biotech, Inc.
    Inventors: William Strohl, Omid Vafa
  • Publication number: 20160347825
    Abstract: The present invention relates to optimized Fc variants, methods for their generation, and antibodies and Fc fusions comprising optimized Fc variants.
    Type: Application
    Filed: May 27, 2016
    Publication date: December 1, 2016
    Inventors: Gregory Alan Lazar, Arthur J. Chirino, Wei Dang, John Desjarlais, Stephen K. Doberstein, Robert J. Hayes, Sher Bahadur Karki, Omid Vafa
  • Publication number: 20160347837
    Abstract: The present invention relates to optimized Fc variants, methods for their generation, and antibodies and Fc fusions comprising optimized Fc variants.
    Type: Application
    Filed: May 27, 2016
    Publication date: December 1, 2016
    Inventors: Gregory Alan Lazar, Arthur J. Chirino, Wei Dang, John Desjarlais, Stephen K. Doberstein, Robert J. Hayes, Sher Bahadur Karki, Omid Vafa
  • Publication number: 20160340436
    Abstract: The present invention relates to Fc variants having decreased affinity for Fc?RIIb, methods for their generation, Fc polypeptides comprising optimized Fc variants, and methods for using optimized Fc variants.
    Type: Application
    Filed: July 8, 2014
    Publication date: November 24, 2016
    Inventors: Gregory Lazar, Wei Dang, John Desjarlais, Sher Karki, Omid Vafa, Robert Hayes, Jost Vielmetter
  • Publication number: 20160318993
    Abstract: The present invention relates to optimized Fc variants, methods for their generation, and antibodies and Fc fusions comprising optimized Fc variants.
    Type: Application
    Filed: May 6, 2016
    Publication date: November 3, 2016
    Inventors: Gregory Alan Lazar, Arthur J. Chirino, Wei Dang, John Desjarlais, Stephen K. Doberstein, Robert J. Hayes, Sher Bahadur Karki, Omid Vafa
  • Publication number: 20160304589
    Abstract: The present invention relates to Fc variants having decreased affinity for Fc?RIIb, methods for their generation, Fc polypeptides comprising optimized Fc variants, and methods for using optimized Fc variants.
    Type: Application
    Filed: October 6, 2014
    Publication date: October 20, 2016
    Inventors: Gregory LAZAR, Wei Dang, John Desjarlais, Sher Karki, Omid Vafa, Robert Hayes, Jost Vielmetter
  • Patent number: 9353187
    Abstract: The present invention relates to optimized Fc variants, methods for their generation, and antibodies and Fc fusions comprising optimized Fc variants.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: May 31, 2016
    Assignee: Xencor, Inc.
    Inventors: Gregory Alan Lazar, Arthur J. Chirino, Wei Dang, John Desjarlais, Stephen K. Doberstein, Robert J. Hayes, Sher Bahadur Karki, Omid Vafa
  • Publication number: 20150337053
    Abstract: Antibody and other Fc-containing molecules with variations in the Fc region with reduced binding to Fc gamma receptors and resulting activity and can be used in the treatment of various diseases and disorders.
    Type: Application
    Filed: August 5, 2015
    Publication date: November 26, 2015
    Inventors: Stephen McCarthy, Bernard Scallon, Susan Tam, William Strohl, Omid Vafa
  • Patent number: 9193798
    Abstract: The present invention relates to optimized Fc variants, methods for their generation, and antibodies and Fc fusions comprising optimized Fc variants.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: November 24, 2015
    Assignee: Xencor, Inc.
    Inventors: Gregory Alan Lazar, Arthur Chirino, Wei Dang, John Desjarlais, Stephen K. Doberstein, Robert J. Hayes, Sher Bahadur Karki, Omid Vafa
  • Publication number: 20150315284
    Abstract: The present invention relates to a variant Fc region comprising an amino acid substitution at position 238 of the Fc region as compared to a human parent Fc region, wherein the variant Fc region comprises a 238D substitution, wherein the variant Fc region binds Fc?RIIb with increased binding affinity compared to a human parent Fc region.
    Type: Application
    Filed: April 23, 2015
    Publication date: November 5, 2015
    Inventors: Gregory Alan Lazar, Wei Dang, John Desjarlais, Sher Bahadur Karki, Omid Vafa, Robert Hayes, Jost Vielmetter
  • Publication number: 20150232567
    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: Application
    Filed: December 19, 2014
    Publication date: August 20, 2015
    Inventors: GREGORY LAZAR, WEI DANG, JOHN DESJARLAIS, SHER BAHADUR KARKI, OMID VAFA, ROBERT HAYES
  • Patent number: 9051373
    Abstract: The present invention relates to a variant Fc region comprising an amino acid substitution at position 238 of the Fc region as compared to a human parent Fc region, wherein the variant Fc region comprises a 238D substitution, wherein the variant Fc region binds Fc?RIIb with increased binding affinity compared to a human parent Fc region.
    Type: Grant
    Filed: February 11, 2013
    Date of Patent: June 9, 2015
    Assignee: Xencor, Inc.
    Inventors: Gregory Alan Lazar, Wei Dang, John Desjarlais, Sher Bahadur Karki, Omid Vafa, Robert Hayes, Jost Vielmetter
  • Publication number: 20150118227
    Abstract: Antibody and other Fc-containing molecules with variations in the Fc region reduce binding to Fc gamma receptors and resulting activity and can be used in the treatment of various diseases and disorders.
    Type: Application
    Filed: January 15, 2015
    Publication date: April 30, 2015
    Inventors: William Strohl, Omid Vafa