Patents by Inventor Jingwu Zang

Jingwu Zang 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).

  • Patent number: 11926662
    Abstract: Provided are anti-GM-CSF antibodies or fragments thereof including humanized antibodies and fragments. Also provided are uses of the antibodies and fragments for therapeutic, diagnostic and prognostic purposes. Therapeutic uses of the antibodies and fragments, for example include the treatment of inflammatory and autoimmune diseases and disorders.
    Type: Grant
    Filed: December 2, 2020
    Date of Patent: March 12, 2024
    Assignee: I-Mab Biopharma (Hangzhou) Co., Ltd.
    Inventors: Zhengyi Wang, Lei Fang, Bingshi Guo, Jingwu Zang
  • Patent number: 11613577
    Abstract: Provided are anti-CD73 antibodies or fragments thereof. The antibodies or fragments therefore include a VH CDR1 of SEQ ID NO: 1, a VH CDR2 of SEQ ID NO: 2, a VH CDR3 of SEQ ID NO: 3, a VL CDR1 of SEQ ID NO: 4, a VL CDR2 of SEQ ID NO: 5, and a VL CDR3 of SEQ ID NO: 6, or variants of each thereof. More generally, antibodies or fragments thereof are described which have specificity to one or more amino acid residues selected from the C-terminal half of a human CD73 protein, such as those in the C-terminal domains. Specific epitope amino acids in these domains include Y345, D399, E400, R401 and R480. Methods of using the antibodies or fragments thereof for treating and diagnosing diseases such as cancer are also provided.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: March 28, 2023
    Assignee: I-MAB
    Inventors: Zhengyi Wang, Lei Fang, Bingshi Guo, Jingwu Zang
  • Patent number: 11414485
    Abstract: The present disclosure provides antibodies that bind Lymphocyte Activation Gene-3 (LAG-3). Also provided are methods of stimulating an immune response, inhibiting growth of tumor cells, and treating an autoimmune, inflammatory, or viral disease.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: August 16, 2022
    Assignee: I-MAB BIOPHARMA (HANGZHOU) CO., LTD.
    Inventors: Lei Fang, Zhengyi Wang, Bingshi Guo, Jingwu Zang, Wenqing Jiang, Yongqiang Wang
  • Patent number: 11401331
    Abstract: Provided are fusion molecule having a PD-L1 inhibitor fused to a human IL-7 protein or fragment thereof through a peptide linker. The disclosed fusion molecules exhibited synergistic anti-tumor effects.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: August 2, 2022
    Assignee: I-Mab Biopharma US Limited
    Inventors: Lei Fang, Feifei Cui, Haijuan Gu, Zhengyi Wang, Bingshi Guo, Jingwu Zang
  • Publication number: 20220119531
    Abstract: Provided are anti-PD-L1 antibodies or fragments thereof. The antibodies or fragments thereof specifically bind to the immunoglobulin C domain of the PD-L1 protein. In various example, the antibodies or fragments thereof include a VH CDR1 of SEQ ID NO: 1, a VH CDR2 of SEQ ID NO: 116, a VH CDR3 of SEQ ID NO: 117, a VL CDR1 of SEQ ID NO: 4, a VL CDR2 of SEQ ID NO: 5, and a VL CDR3 of SEQ ID NO: 6, or variants of each thereof. Methods of using the antibodies or fragments thereof for treating and diagnosing diseases such as cancer and infectious diseases are also provided.
    Type: Application
    Filed: December 28, 2021
    Publication date: April 21, 2022
    Inventors: Lei Fang, Yongqiang Wang, Zhengyi Wang, Bingshi Guo, Jingwu Zang
  • Patent number: 11220546
    Abstract: Provided are anti-PD-L1 antibodies or fragments thereof. The antibodies or fragments thereof specifically bind to the immunoglobulin C domain of the PD-L1 protein. In various example, the antibodies or fragments thereof include a VH CDR1 of SEQ ID NO: 1, a VH CDR2 of SEQ ID NO: 116, a VH CDR3 of SEQ ID NO: 117, a VL CDR1 of SEQ ID NO: 4, a VL CDR2 of SEQ ID NO: 5, and a VL CDR3 of SEQ ID NO: 6, or variants of each thereof. Methods of using the antibodies or fragments thereof for treating and diagnosing diseases such as cancer and infectious diseases are also provided.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: January 11, 2022
    Assignee: I-Mab Biopharma US Limited
    Inventors: Lei Fang, Yongqiang Wang, Zhengyi Wang, Bingshi Guo, Jingwu Zang
  • Patent number: 11034771
    Abstract: Provided are bispecific antibodies capable of binding to human CD73 protein and human PD-L1 protein. These bispecific antibodies are effective in treating cancer.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: June 15, 2021
    Assignee: I-Mab Biopharma US Limited
    Inventors: Zhengyi Wang, Lei Fang, Bingshi Guo, Jingwu Zang, Qiumei Yang
  • Patent number: 10973853
    Abstract: The present disclosure provides antibodies and fragments thereof having specificity to a human T cell immunoreceptor with Ig and ITIM domains (TIGIT) protein. Methods of using the antibodies or fragments thereof for treating and diagnosing diseases such as cancer and viral infections are also provided.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: April 13, 2021
    Assignee: I-Mab Biopharma US Limited
    Inventors: Feifei Cui, Lei Fang, Bingshi Guo, Zhengyi Wang, Jingwu Zang
  • Publication number: 20210079085
    Abstract: Provided are anti-GM-CSF antibodies or fragments thereof including humanized antibodies and fragments. Also provided are uses of the antibodies and fragments for therapeutic, diagnostic and prognostic purposes. Therapeutic uses of the antibodies and fragments, for example include the treatment of inflammatory and autoimmune diseases and disorders.
    Type: Application
    Filed: December 2, 2020
    Publication date: March 18, 2021
    Inventors: Zhengyi Wang, Lei Fang, Bingshi Guo, Jingwu Zang
  • Publication number: 20210054093
    Abstract: The present invention provides novel CD47 antibodies or immunologically active fragments thereof that have low immunogenicity in humans and cause low or no level of red blood cell depletion or hemagglutination, as well as pharmaceutical compositions containing such antibodies that can be used for treatment diseases mediated by CD47 or inhibition of phagocytosis or platelet aggregation.
    Type: Application
    Filed: August 10, 2020
    Publication date: February 25, 2021
    Applicant: I-Mab Biopharma US Limited
    Inventors: Zhengyi Wang, Lei Fang, Bingshi Guo, Jingwu Zang
  • Publication number: 20210015858
    Abstract: The present disclosure provides antibodies and fragments thereof having specificity to a human T cell immunoreceptor with Ig and ITIM domains (TIGIT) protein. Methods of using the antibodies or fragments thereof for treating and diagnosing diseases such as cancer and viral infections are also provided.
    Type: Application
    Filed: February 11, 2019
    Publication date: January 21, 2021
    Inventors: Feifei Cui, Lei Fang, Bingshi Guo, Zhengyi Wang, Jingwu Zang
  • Patent number: 10889641
    Abstract: Provided are anti-GM-CSF antibodies or fragments thereof including humanized antibodies and fragments. Also provided are uses of the antibodies and fragments for therapeutic, diagnostic and prognostic purposes. Therapeutic uses of the antibodies and fragments, for example include the treatment of inflammatory and autoimmune diseases and disorders.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: January 12, 2021
    Assignee: I-Mab Biopharma Co., Ltd.
    Inventors: Zhengyi Wang, Lei Fang, Bingshi Guo, Jingwu Zang
  • Publication number: 20200377611
    Abstract: The present invention provides novel CD47 antibodies or immunologically active fragments thereof that have low immunogenicity in humans and cause low or no level of red blood cell depletion or hemagglutination, as well as pharmaceutical compositions containing such antibodies that can be used for treatment diseases mediated by CD47 or inhibition of phagocytosis or platelet aggregation.
    Type: Application
    Filed: August 10, 2020
    Publication date: December 3, 2020
    Applicant: I-Mab Biopharma US Limited
    Inventors: Zhengyi Wang, Lei Fang, Bingshi Guo, Jingwu Zang
  • Publication number: 20200347146
    Abstract: Provided are bispecific antibodies capable of binding to human CD73 protein and human PD-L1 protein. These bispecific C antibodies are effective in treating cancer.
    Type: Application
    Filed: July 25, 2019
    Publication date: November 5, 2020
    Inventors: Zhengyi Wang, Lei Fang, Bingshi Guo, Jingwu Zang, Qiumei Yang
  • Publication number: 20200332005
    Abstract: Provided are anti-CD73 antibodies or fragments thereof. The antibodies or fragments therefore include a VH CDR1 of SEQ ID NO: 1, a VH CDR2 of SEQ ID NO: 2, a VH CDR3 of SEQ ID NO: 3, a VL CDR1 of SEQ ID NO: 4, a VL CDR2 of SEQ ID NO: 5, and a VL CDR3 of SEQ ID NO: 6, or variants of each thereof. More generally, antibodies or fragments thereof are described which have specificity to one or more amino acid residues selected from the C-terminal half of a human CD73 protein, such as those in the C-terminal domains. Specific epitope amino acids in these domains include Y345, D399, E400, R401 and R480. Methods of using the antibodies or fragments thereof for treating and diagnosing diseases such as cancer are also provided.
    Type: Application
    Filed: February 10, 2020
    Publication date: October 22, 2020
    Inventors: Zhengyi Wang, Lei Fang, Bingshi Guo, Jingwu Zang
  • Publication number: 20200317789
    Abstract: Provided are anti-PD-L1 antibodies or fragments thereof. The antibodies or fragments thereof specifically bind to the immunoglobulin C domain of the PD-L1 protein. In various example, the antibodies or fragments thereof include a VH CDR1 of SEQ ID NO: 1, a VH CDR2 of SEQ ID NO: 2, a VH CDR3 of SEQ ID NO: 3, a VL CDR1 of SEQ ID NO: 4, a VL CDR2 of SEQ ID NO: 5, and a VL CDR3 of SEQ ID NO: 6, or variants of each thereof. Methods of using the antibodies or fragments thereof for treating and diagnosing diseases such as cancer and infectious diseases are also provided.
    Type: Application
    Filed: June 23, 2020
    Publication date: October 8, 2020
    Inventors: Lei Fang, Zhengyi Wang, Bingshi Guo, Jingwu Zang
  • Patent number: 10723799
    Abstract: Provided are anti-PD-L1 antibodies or fragments thereof. The antibodies or fragments thereof specifically bind to the immunoglobulin C domain of the PD-L1 protein. In various example, the antibodies or fragments thereof include a VH CDR1 of SEQ ID NO: 1, a VH CDR2 of SEQ ID NO: 2, a VH CDR3 of SEQ ID NO: 3, a VL CDR1 of SEQ ID NO: 4, a VL CDR2 of SEQ ID NO: 5, and a VL CDR3 of SEQ ID NO: 6, or variants of each thereof. Methods of using the antibodies or fragments thereof for treating and diagnosing diseases such as cancer and infectious diseases are also provided.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: July 28, 2020
    Assignee: I-Mab Biopharma US Limited
    Inventors: Lei Fang, Zhengyi Wang, Bingshi Guo, Jingwu Zang
  • Publication number: 20200157222
    Abstract: Provided are anti-PD-L1 antibodies or fragments thereof. The antibodies or fragments thereof specifically bind to the immunoglobulin C domain of the PD-L1 protein. In various example, the antibodies or fragments thereof include a VH CDR1 of SEQ ID NO: 1, a VH CDR2 of SEQ ID NO: 116, a VH CDR3 of SEQ ID NO: 117, a VL CDR1 of SEQ ID NO: 4, a VL CDR2 of SEQ ID NO: 5, and a VL CDR3 of SEQ ID NO: 6, or variants of each thereof. Methods of using the antibodies or fragments thereof for treating and diagnosing diseases such as cancer and infectious diseases are also provided.
    Type: Application
    Filed: March 29, 2019
    Publication date: May 21, 2020
    Inventors: Lei Fang, Yongqiang Wang, Zhengyi Wang, Bingshi Guo, Jingwu Zang
  • Patent number: 10647767
    Abstract: Provided are anti-GM-CSF antibodies or fragments thereof including humanized antibodies and fragments. Also provided are uses of the antibodies and fragments for therapeutic, diagnostic and prognostic purposes. Therapeutic uses of the antibodies and fragments, for example include the treatment of inflammatory and autoimmune diseases and disorders.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: May 12, 2020
    Assignee: I-Mab Biopharma Co., Ltd.
    Inventors: Zhengyi Wang, Lei Fang, Bingshi Guo, Jingwu Zang
  • Publication number: 20200140565
    Abstract: The present invention provides novel CD47 antibodies or immunologically active fragments thereof that have low immunogenicity in humans and cause low or no level of red blood cell depletion or hemagglutination, as well as pharmaceutical compositions containing such antibodies that can be used for treatment diseases mediated by CD47 or inhibition of phagocytosis or platelet aggregation.
    Type: Application
    Filed: October 20, 2017
    Publication date: May 7, 2020
    Inventors: Zhengyi Wang, Lei Fang, Bingshi Guo, Jingwu Zang