Patents by Inventor Xuri Gao

Xuri Gao 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: 20210283077
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: X-A-Y-L-R??(I) which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Application
    Filed: February 3, 2021
    Publication date: September 16, 2021
    Inventors: Yao-Ling Qiu, Xuri Gao, Jorden Kass, Hui Cao, Wei Li, Xiaowen Peng, Byung-Chul Suh, Yat Sun Or
  • Publication number: 20210230176
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: X-A-Y-L-R??(I) which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Application
    Filed: January 7, 2021
    Publication date: July 29, 2021
    Inventors: Yao-Ling Qiu, Xuri Gao, Wei Li, Hui Cao, Meizhong Jin, Jorden Kass, Xiaowen Peng, Yat Sun Or
  • Patent number: 10952978
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: X-A-Y-L-R??(I) which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: March 23, 2021
    Assignee: ENANTA PHARMACEUTICALS, INC.
    Inventors: Yao-Ling Qiu, Xuri Gao, Jorden Kass, Hui Cao, Wei Li, Xiaowen Peng, Byung-Chul Suh, Yat Sun Or
  • Patent number: 10934306
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: X-A-Y-L-R??(I) which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: March 2, 2021
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Yao-Ling Qiu, Xuri Gao, Wei Li, Hui Cao, Meizhong Jin, Jorden Kass, Xiaowen Peng, Yat Sun Or
  • Publication number: 20200385391
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, thereof: which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Application
    Filed: June 4, 2020
    Publication date: December 10, 2020
    Inventors: Yao-Ling Qiu, Xiaowen Peng, Wei LI, Xuri Gao, Jorden Kass, Byung-Chul Suh, Hui Cao, Jiajun Zhang, Yat Sun OR
  • Publication number: 20200385377
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, thereof: which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Application
    Filed: June 4, 2020
    Publication date: December 10, 2020
    Inventors: Yao-Ling Qiu, Xiaowen Peng, Xuri Gao, Wei Li, Hui Cao, Byung-Chul Suh, Jorden Kass, Jiajun Zhang, Yat Sun Or
  • Publication number: 20200377519
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, thereof: which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Application
    Filed: June 3, 2020
    Publication date: December 3, 2020
    Inventors: Yao-Ling Qiu, Xuri Gao, Xiaowen Peng, Wei Li, Jorden Kass, Hui Cao, Byung-Chul Suh, Jiajun Zhang, Yat Sun Or
  • Publication number: 20200317678
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, thereof: which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Application
    Filed: March 30, 2020
    Publication date: October 8, 2020
    Inventors: Yao-Ling Qiu, Hui Cao, Xiaowen Peng, Wei Li, Jorden Kass, Xuri Gao, Meizhong Jin, Yat Sun Or
  • Patent number: 10738035
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: X-A-Y—Z-L-R1??(I) which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: August 11, 2020
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Yao-Ling Qiu, Wei Li, Hui Cao, Meizhong Jin, Xuri Gao, Xiaowen Peng, Jorden Kass, Yat Sun Or
  • Patent number: 10729688
    Abstract: The present invention discloses compounds of Formula (I), and pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: August 4, 2020
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Yao-Ling Qiu, Jorden Kass, Byung-Chul Suh, Hui Cao, Wei Li, Xiaowen Peng, Xuri Gao, Yat Sun Or
  • Patent number: 10723733
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, thereof: which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: July 28, 2020
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Yao-Ling Qiu, Xiaowen Peng, Jorden Kass, Xuri Gao, Wei Li, Hui Cao, Byung-Chul Suh, Yat Sun Or
  • Patent number: 10702528
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: July 7, 2020
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Yao-Ling Qiu, Hui Cao, Wei Li, Xiaowen Peng, Meizhong Jin, Jorden Kass, Xuri Gao, Yat Sun Or
  • Publication number: 20200199143
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: X-A-Y-L-R??(I) which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Application
    Filed: December 16, 2019
    Publication date: June 25, 2020
    Inventors: Yao-Ling Qiu, Xuri Gao, Wei Li, Hui Cao, Meizhong Jin, Jorden Kass, Xiaowen Peng, Yat Sun Or
  • Patent number: 10640511
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, thereof: which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: May 5, 2020
    Assignee: Enant Pharmaceuticals, Inc.
    Inventors: Yao-Ling Qiu, Hui Cao, Xiaowen Peng, Wei Li, Jorden Kass, Xuri Gao, Meizhong Jin, Yat Sun Or
  • Patent number: 10538532
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: X-A-Y-L-R??(I) which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: January 21, 2020
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Yao-Ling Qiu, Xuri Gao, Wei Li, Hui Cao, Meizhong Jin, Jorden Kass, Xiaowen Peng, Yat Sun Or
  • Publication number: 20190321360
    Abstract: The present invention discloses compounds of Formula (I), and pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Application
    Filed: March 27, 2019
    Publication date: October 24, 2019
    Inventors: Yao-Ling Qiu, Jorden Kass, Byung-Chul Suh, Hui Cao, Wei Li, Xiaowen Peng, Xuri Gao, Yat Sun Or
  • Patent number: 10442788
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: X-A-Y—Z-L-R1??(I) which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: October 15, 2019
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Yao-Ling Qiu, Hui Cao, Wei Li, Jorden Kass, Xuri Gao, Xiaowen Peng, Meizhong Jin, Yat Sun Or
  • Patent number: 10428070
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, thereof: which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: October 1, 2019
    Assignee: Enanta Pharmaceuticals, Inc.
    Inventors: Yao-Ling Qiu, Xuri Gao, Xiaowen Peng, Wei Li, Jorden Kass, Hui Cao, Byung-Chul Suh, Yat Sun Or
  • Patent number: 10407445
    Abstract: The present invention discloses compounds of Formula (I), and pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit RNA-containing virus, particularly the hepatitis C virus (HCV). Consequently, the compounds of the present invention interfere with the life cycle of the hepatitis C virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: September 10, 2019
    Assignees: Enanta Pharmaceuticals, Inc., Novartis AG
    Inventors: Yao-Ling Qiu, Hui Cao, Xiaowen Peng, Xuri Gao, Yat Sun Or, Zachary Kevin Sweeney
  • Publication number: 20190216808
    Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
    Type: Application
    Filed: November 29, 2018
    Publication date: July 18, 2019
    Inventors: Yao-Ling Qiu, Hui Cao, Wei Li, Xiaowen Peng, Meizhong Jin, Jorden Kass, Xuri Gao, Yat Sun Or