Patents Assigned to Clover Biopharmaceuticals
  • Patent number: 12280103
    Abstract: The present disclosure relates in some aspects to immunogenic compositions including recombinant peptides and proteins comprising coronavirus viral antigens and immunogens, e.g., coronavirus S protein peptides. In some aspects, the immunogenic composition comprises a secreted fusion protein comprising a soluble coronavirus viral antigen joined by in-frame fusion to a C-terminal portion of a collagen which is capable of self-trimerization to form a disulfide bond-linked trimeric fusion protein. In some aspects, the immunogenic compositions provided herein are useful for generating an immune response, e.g., for treating or preventing a coronavirus infection. In some aspects, the immunogenic compositions provided herein may be used in a vaccine composition, e.g., as part of a prophylactic and/or therapeutic vaccine. Also provided herein are methods for producing the recombinant peptides and proteins, prophylactic, therapeutic, and/or diagnostic methods, and related kits.
    Type: Grant
    Filed: June 5, 2022
    Date of Patent: April 22, 2025
    Assignee: Sichuan Clover Biopharmaceuticals, Inc.
    Inventors: Peng Liang, Joshua Liang
  • Patent number: 12168686
    Abstract: Compositions of TNF family of cytokines in covalently linked trimeric forms are disclosed. The resulting fusion proteins are secreted as disulfide bond—linked homotrimers, which are more stable in structure and therapeutically more efficacious than their native counterparts.
    Type: Grant
    Filed: October 16, 2022
    Date of Patent: December 17, 2024
    Assignee: Sichuan Clover Biopharmaceuticals, Inc.
    Inventor: Peng Liang
  • Publication number: 20240301029
    Abstract: The present disclosure provides methods and compositions for affinity purification of proteins containing a C-terminal polypeptide sequence of a procollagen, such as trimeric fusion proteins. Also provided are polypeptides, fusion proteins, and recombinant polypeptides containing an Endo 180 ecto-domain or portion thereof capable of reversibly binding a C-terminal polypeptide sequence of a procollagen. Also provided are articles of manufacture, kits, and apparatus related to the Endo 180 ecto-domain polypeptides.
    Type: Application
    Filed: August 30, 2021
    Publication date: September 12, 2024
    Applicant: Sichuan Clover Biopharmaceuticals, Inc.
    Inventors: Peng LIANG, Joshua LIANG
  • Publication number: 20230272060
    Abstract: Compositions of TNF family of cytokines in covalently linked trimeric forms are disclosed. The resulting fusion proteins are secreted as disulfide bond—linked homotrimers, which are more stable in structure and therapeutically more efficacious than their native counterparts.
    Type: Application
    Filed: October 16, 2022
    Publication date: August 31, 2023
    Applicant: Sichuan Clover Biopharmaceuticals, Inc.
    Inventor: Peng LIANG
  • Publication number: 20230256076
    Abstract: Provided are immunogenic compositions including recombinant peptides and proteins comprising respiratory syncytial virus (RSV) viral antigens and immunogens, e.g., RSV F protein peptides. The immunogenic composition comprises a secreted fusion protein comprising a soluble RSV viral antigen joined by in-frame a disulfide bond-linked trimeric fusion protein. The immunogenic compositions are useful for generating an immune response, e.g., for treating or preventing an RSV infection. The immunogenic compositions may be used in a vaccine composition, e.g., as part of a prophylactic and/or therapeutic vaccine. Also provided herein are methods for producing the recombinant peptides and proteins, prophylactic, therapeutic, and/or diagnostic methods, and related kits.
    Type: Application
    Filed: June 10, 2021
    Publication date: August 17, 2023
    Applicant: Sichuan Clover Biopharmaceuticals, Inc.
    Inventors: Peng LIANG, Joshua LIANG
  • Publication number: 20230243827
    Abstract: The present disclosure discloses recombinant peptides and proteins comprising coronavirus viral antigens and immunogens, e.g., coronavirus S protein peptides, useful for analyzing an analyte such as neutralizing antibodies. In some aspects, the recombinant peptides and proteins comprise a secreted fusion protein comprising a soluble coronavirus viral antigen joined by in-frame fusion to a C-terminal portion of a collagen which is capable of self-trimerization to form a disulfide bond-linked trimeric fusion protein. Diagnostic methods and related kits are also disclosed.
    Type: Application
    Filed: June 10, 2021
    Publication date: August 3, 2023
    Applicant: Sichuan Clover Biopharmaceuticals, Inc.
    Inventors: Peng LIANG, Joshua LIANG
  • Publication number: 20230233663
    Abstract: The present invention discloses immunogenic compositions including recombinant peptides and proteins comprising human immunodeficiency viruses (HIV) antigens and immunogens, e.g., gp 120 protein peptides. In some aspects, the immunogenic composition comprises a secreted fusion protein comprising a soluble HIV viral antigen joined by in-frame fusion to a C-terminal portion of a collagen which is capable of self-trimerization to form a disulfide bond-linked trimeric fusion protein. In some aspects, the immunogenic compositions provided herein are useful for generating an immune response, e.g., for treating or preventing an HIV infection. In some aspects, the immunogenic compositions provided herein may be used in a vaccine composition, e.g., as part of a prophylactic and/or therapeutic vaccine. Also provided herein are methods for producing the recombinant peptides and proteins, prophylactic, therapeutic, and/or diagnostic methods, and related kits.
    Type: Application
    Filed: June 10, 2021
    Publication date: July 27, 2023
    Applicant: Sichuan Clover Biopharmaceuticals, Inc.
    Inventors: Peng LIANG, Joshua LIANG
  • Publication number: 20230218739
    Abstract: Provided are immunogenic compositions comprising a secreted fusion protein, wherein the secreted fusion protein comprises a soluble influenza or rabies viral antigen joined by in-frame fusion to a C-terminal portion of a collagen which is capable of self-trimerization to form a disulfide bond-linked trimeric fusion protein. Also provided are uses of the immunogenic compositions for generating an immune response against influenza or rabies infection and in a vaccine composition. Also provided are methods for producing the recombinant peptides and proteins, prophylactic, therapeutic, and/or diagnostic methods, and related kits.
    Type: Application
    Filed: December 10, 2021
    Publication date: July 13, 2023
    Applicant: Sichuan Clover Biopharmaceuticals, Inc.
    Inventors: Peng LIANG, Joshua LIANG
  • Publication number: 20230096093
    Abstract: The present disclosure relates in some aspects to immunogenic compositions including recombinant peptides and proteins comprising coronavirus viral antigens and immunogens, e.g., coronavirus S protein peptides. In some aspects, the immunogenic composition comprises a secreted fusion protein comprising a soluble coronavirus viral antigen joined by in-frame fusion to a C-terminal portion of a collagen which is capable of self-trimerization to form a disulfide bond-linked trimeric fusion protein. In some aspects, the immunogenic compositions provided herein are useful for generating an immune response, e.g., for treating or preventing a coronavirus infection. In some aspects, the immunogenic compositions provided herein may be used in a vaccine composition, e.g., as part of a prophylactic and/or therapeutic vaccine. Also provided herein are methods for producing the recombinant peptides and proteins, prophylactic, therapeutic, and/or diagnostic methods, and related kits.
    Type: Application
    Filed: June 5, 2022
    Publication date: March 30, 2023
    Applicant: Sichuan Clover Biopharmaceuticals, Inc.
    Inventors: Peng LIANG, Joshua LANG
  • Patent number: 11472873
    Abstract: Compositions of TNF family of cytokines in covalently linked trimeric forms are disclosed. The resulting fusion proteins are secreted as disulfide bond-linked homotrimers, which are more stable in structure and therapeutically more efficacious than their native counterparts.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: October 18, 2022
    Assignee: Sichuan Clover Biopharmaceuticals, Inc.
    Inventor: Peng Liang
  • Patent number: 11389528
    Abstract: The present disclosure relates in some aspects to immunogenic compositions including recombinant peptides and proteins comprising coronavirus viral antigens and immunogens, e.g., coronavirus S protein peptides. In some aspects, the immunogenic composition comprises a secreted fusion protein comprising a soluble coronavirus viral antigen joined by in-frame fusion to a C-terminal portion of a collagen which is capable of self-trimerization to form a disulfide bond-linked trimeric fusion protein. In some aspects, the immunogenic compositions provided herein are useful for generating an immune response, e.g., for treating or preventing a coronavirus infection. In some aspects, the immunogenic compositions provided herein may be used in a vaccine composition, e.g., as part of a prophylactic and/or therapeutic vaccine. Also provided herein are methods for producing the recombinant peptides and proteins, prophylactic, therapeutic, and/or diagnostic methods, and related kits.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: July 19, 2022
    Assignee: Sichuan Clover Biopharmaceuticals, Inc
    Inventors: Peng Liang, Joshua Liang
  • Patent number: 11377490
    Abstract: Compositions of TNF family of cytokines in covalently linked trimeric forms are disclosed. The resulting fusion proteins are secreted as disulfide bond-linked homotrimers, which are more stable in structure and therapeutically more efficacious than their native counterparts.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: July 5, 2022
    Assignee: Sichuan Clover Biopharmaceuticals, Inc
    Inventor: Peng Liang
  • Publication number: 20220016235
    Abstract: The present disclosure relates in some aspects to immunogenic compositions including recombinant peptides and proteins comprising coronavirus viral antigens and immunogens, e.g., coronavirus S protein peptides. In some aspects, the immunogenic composition comprises a secreted fusion protein comprising a soluble coronavirus viral antigen joined by in-frame fusion to a C-terminal portion of a collagen which is capable of self-trimerization to form a disulfide bond-linked trimeric fusion protein. In some aspects, the immunogenic compositions provided herein are useful for generating an immune response, e.g., for treating or preventing a coronavirus infection. In some aspects, the immunogenic compositions provided herein may be used in a vaccine composition, e.g., as part of a prophylactic and/or therapeutic vaccine. Also provided herein are methods for producing the recombinant peptides and proteins, prophylactic, therapeutic, and/or diagnostic methods, and related kits.
    Type: Application
    Filed: September 29, 2021
    Publication date: January 20, 2022
    Applicant: Sichuan Clover Biopharmaceuticals, Inc.
    Inventors: Peng LIANG, Joshua LIANG
  • Publication number: 20200199187
    Abstract: Compositions of TNF family of cytokines in covalently linked trimeric forms are disclosed. The resulting fusion proteins are secreted as disulfide bond-linked homotrimers, which are more stable in structure and therapeutically more efficacious than their native counterparts.
    Type: Application
    Filed: March 3, 2020
    Publication date: June 25, 2020
    Applicant: Clover Biopharmaceuticals, Inc.
    Inventor: Peng Liang
  • Publication number: 20200190181
    Abstract: Compositions of TNF family of cytokines in covalently linked trimeric forms are disclosed. The resulting fusion proteins are secreted as disulfide bond-linked homotrimers, which are more stable in structure and therapeutically more efficacious than their native counterparts.
    Type: Application
    Filed: February 27, 2020
    Publication date: June 18, 2020
    Applicant: Clover Biopharmaceuticals, Inc.
    Inventor: Peng Liang
  • Publication number: 20180346549
    Abstract: Compositions of TNF family of cytokines in covalently linked trimeric forms are disclosed. The resulting fusion proteins are secreted as disulfide bond-linked homotrimers, which are more stable in structure and therapeutically more efficacious than their native counterparts.
    Type: Application
    Filed: May 31, 2017
    Publication date: December 6, 2018
    Applicant: Clover Biopharmaceuticals, Inc.
    Inventor: Peng Liang
  • Publication number: 20180057564
    Abstract: Methods for blocking the activity of the IL-20 family of cytokines in a mammal having a disorder-mediated by one or more of the IL-20 family of cytokines consisting of IL-19, IL-20 and IL-24 are disclosed. The methods involve administering a therapeutically effective amount of either a soluble IL-20R2-IgG Fc fusion protein or a neutralizing monoclonal antibody to IL-20R2, both of which are able to block the biological functions of all three members of IL-20 family of cytokines.
    Type: Application
    Filed: August 23, 2016
    Publication date: March 1, 2018
    Applicant: Clover Biopharmaceuticals
    Inventor: Peng Liang