Patents by Inventor Wei Dang

Wei Dang 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).

  • OPTIMIZED Fc VARIANTS
    Publication number: 20150030592
    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: August 12, 2014
    Publication date: January 29, 2015
    Inventors: Gregory Lazar, Wei Dang, John Desjarlais, Sher Karki, Omid Vafa, Robert Hayes, Jost Vielmetter
  • OPTIMIZED Fc VARIANTS
    Publication number: 20150031862
    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: January 29, 2015
    Inventors: Gregory LAZAR, Wei Dang, John Desjarlais, Sher Karki, Omid Vafa, Robert Hayes, Jost Vielmetter
  • Fc variants with increased affinity for Fc?RIIc
    Patent number: 8937158
    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: August 20, 2007
    Date of Patent: January 20, 2015
    Assignee: Xencor, Inc.
    Inventors: Gregory Alan Lazar, Wei Dang, John R. Desjarlais, Sher Bahadur Karki, Omid Vafa, Robert Hayes
  • OPTIMIZED Fc VARIANTS
    Publication number: 20150010543
    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: January 8, 2015
    Inventors: Gregory Lazar, Wei Dang, John Desjarlais, Sher Karki, Omid Vafa, Robert Hayes, Jost Vielmetter
  • OPTIMIZED Fc VARIANTS
    Publication number: 20150010550
    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: August 12, 2014
    Publication date: January 8, 2015
    Inventors: Gregory Lazar, Wei Dang, John Desjarlais, Sher Karki, Omid Vafa, Robert Hayes, Jost Vielmetter
  • OPTIMIZED FC VARIANTS AND METHODS FOR THEIR GENERATION
    Publication number: 20140377256
    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 23, 2014
    Publication date: December 25, 2014
    Applicant: 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
  • OPTIMIZED Fc VARIANTS AND METHODS FOR THEIR GENERATION
    Publication number: 20140370021
    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 14, 2013
    Publication date: December 18, 2014
    Applicant: Xencor, Inc.
    Inventors: Gregory Alan Lazar, Arthur J. Chirino, Wei Dang, John Desjarlais, Stephen K. Doberstein, Robert J. Hayes, Sher Bahadur Karki, Omid Vafa
  • Immunoglobulins insertions, deletions, and substitutions
    Patent number: 8883147
    Abstract: An Fc variant of a parent Fc polypeptide, wherein said Fc variant exhibits altered binding to one or more Fc?Rs, wherein said Fc variant comprises at least one amino acid insertion in the Fc region of said parent Fc polypeptide.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: November 11, 2014
    Assignee: Xencor, Inc.
    Inventors: Gregory Lazar, Bassil Dahiyat, Wei Dang, Sher Bahadur Karki, Omid Vafa
  • Optimized Fc variants and methods for their generation
    Patent number: 8858937
    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: October 14, 2014
    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
  • Optimized Fc variants and methods for their generation
    Patent number: 8809503
    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 20, 2013
    Date of Patent: August 19, 2014
    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
  • Optimized Fc variants
    Patent number: 8802823
    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: November 12, 2013
    Date of Patent: August 12, 2014
    Assignee: Xencor, Inc.
    Inventors: Gregory Alan Lazar, Wei Dang, John Desjarlais, Sher Bahadur Karki, Omid Vafa, Robert Hayes, Jost Vielmetter
  • MULTI-LEVEL SLIDING SLEEVE
    Publication number: 20140182838
    Abstract: A multi-level sliding sleeve including an outer cylinder, an inner sliding sleeve, a combined ball socket, a guider, an expander, an upper gland, a lower gland, and a ball. The outer cylinder includes internal threads in an upper end and external threads in a lower end, and the outer cylinder including an external wall including a plurality of drainage holes along the peripheral direction. The inner sliding sleeve is mounted to an inner wall of the outer cylinder through shear pins. The inner sliding sleeve includes a plurality of square holes in the middle along the peripheral direction, each of which is equipped with a ball socket inside. The ball sockets combine together to form a combined ball socket. The combined ball socket is equipped with the guider in the upper end and the expander in the lower end.
    Type: Application
    Filed: September 5, 2013
    Publication date: July 3, 2014
    Applicant: CNPC Bohai Drilling Engineering Company Limited
    Inventors: Qiang FENG, Jun LI, Fei LI, Yao WANG, Wei DANG, Hongjun LI, Zhiyong HE
  • Optimized Fc variants
    Patent number: 8753629
    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: June 14, 2013
    Date of Patent: June 17, 2014
    Assignee: Xencor, Inc.
    Inventors: Gregory Alan Lazar, Wei Dang, John Desjarlais, Sher Bahadur Karki, Omid Vafa, Robert Hayes, Jost Vielmetter
  • Optimized Fc variants
    Patent number: 8753628
    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: June 11, 2013
    Date of Patent: June 17, 2014
    Assignee: Xencor, Inc.
    Inventors: Gregory Alan Lazar, Wei Dang, John Desjarlais, Sher Bahadur Karki, Omid Vafa, Robert Hayes, Jost Vielmetter
  • Fc variants having increased affinity for fcyrllc
    Patent number: 8735545
    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: June 19, 2007
    Date of Patent: May 27, 2014
    Assignee: Xencor, Inc.
    Inventors: Gregory Alan Lazar, Wei Dang, John Desjarlais, Sher Bahadur Karki, Omid Vafa, Robert Hayes, Jost Vielmetter
  • Optimized Fc Variants
    Patent number: 8735547
    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: April 25, 2013
    Date of Patent: May 27, 2014
    Assignee: Xencor, Inc.
    Inventors: Gregory Alan Lazar, Wei Dang, John Desjarlais, Sher Bahadur Karki, Omid Vafa, Robert Hayes, Jost Vielmetter
  • Optimized fc variants and methods for their generation
    Patent number: 8734791
    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 27, 2012
    Date of Patent: May 27, 2014
    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
  • OPTIMIZED Fc VARIANTS
    Publication number: 20140073768
    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: November 12, 2013
    Publication date: March 13, 2014
    Applicant: Xencor, Inc.
    Inventors: Gregory Alan Lazar, Wei Dang, John Desjarlais, Sher Bahadur Karki, Omid Vafa, Robert Hayes, Jost Vielmetter
  • Optimized Fc Variants
    Publication number: 20130302315
    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: June 14, 2013
    Publication date: November 14, 2013
    Applicant: Xencor, Inc.
    Inventors: Gregory Alan Lazar, Wei Dang, John Desjarlais, Sher Bahadur Karki, Omid Vafa, Robert Hayes, Jost Vielmetter
  • Optimized Fc Variants
    Publication number: 20130273043
    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: June 11, 2013
    Publication date: October 17, 2013
    Applicant: Xencor, Inc.
    Inventors: Gregory Alan Lazar, Wei Dang, John Desjarlais, Sher Bahadur Karki, Omid Vafa, Robert Hayes, Jost Vielmetter