Patents by Inventor Charng-Sheng Tsai

Charng-Sheng Tsai 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: 20250135026
    Abstract: Antibody-drug conjugate compounds comprising a linker and methods of using such compounds are provided.
    Type: Application
    Filed: June 27, 2024
    Publication date: May 1, 2025
    Applicant: BeiGene Switzerland GmbH
    Inventors: Charng-Sheng Tsai, Mei-Hsuan Tsai, Xiaodong Wei, Zewei Wang, Wei Luo, Ce Wang
  • Publication number: 20250115677
    Abstract: The present disclosure provides antibody drug conjugates comprising antibodies and antigen-binding fragments thereof that bind to human CEA and a linker-payload, a pharmaceutical composition comprising the anti-CEA antibody drug conjugate, and use of the anti-CEA antibody drug conjugate for treating a CEA-related diseases or disorders.
    Type: Application
    Filed: November 7, 2024
    Publication date: April 10, 2025
    Applicant: BeiGene Switzerland GmbH
    Inventors: Charng-Sheng TSAI, Mei-Hsuan TSAI, Liang QU, Xiaodong WEI, Zewei WANG, Wei LUO, Maomao HE, Zhuo LI
  • Publication number: 20250099607
    Abstract: Antibody-drug conjugate compounds comprising a linker and methods of using such compounds are provided.
    Type: Application
    Filed: December 6, 2024
    Publication date: March 27, 2025
    Applicant: BeiGene, Ltd.
    Inventors: Charng-Sheng Tsai, Mei-Hsuan Tsai, Xiaodong Wei
  • Publication number: 20250026859
    Abstract: The present disclosure provides antigen-binding fragments thereof that bind to DXd, and use of the antibody for detection and assay of DXd.
    Type: Application
    Filed: July 24, 2024
    Publication date: January 23, 2025
    Applicant: BeiGene, Ltd.
    Inventors: Dan Li, Xiaoyan Tang, Charng-Sheng Tsai, Mei-Hsuan Tsai
  • Patent number: 11628225
    Abstract: An antibody-drug conjugate (ADC) has a structure represented by Formula (I): a pharmaceutically acceptable salt thereof wherein Ab is an antibody without glycans (i.e., the protein portion an antibody); G1 and G2 are glycan moieties, which may be the same or different; Cn1 and Cn2 are conjugation moieties, which may be the same or different; L1 and L2 are linker moieties, which may be the same or different; D1 and D2; are drug units which may be the same or different; and x and y are independently an integer from 0 to 8, provided that x+y?0.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: April 18, 2023
    Assignee: CHO PHARMA INC.
    Inventors: Nan-Horng Lin, Charng-Sheng Tsai, Ting-Chun Hung, Hong-Yang Chuang
  • Patent number: 11135306
    Abstract: An antibody-drug conjugate (ADC) has a structure represented by Formula (I): [D2-L2-Cn2yG2-Ab-Sg1G1-L1-D1]x?? Formula (I) or a pharmaceutically acceptable salt thereof, wherein Ab is an antibody without glycans (i.e., the protein portion of an antibody); G1 and G2 are glycan moieties, which may be the same or different; Cn1 and Cn2 are conjugation moieties, which may be the same or different; L1 and L2 are linker moieties, which may be the same or different; D1 and D2 are drug units which may be the same or different; and x and y are independently an integer from 0 to 8, provided that x+y?0.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: October 5, 2021
    Assignee: CHO PHARMA INC.
    Inventors: Nan-Horng Lin, Charng-Sheng Tsai, Ting-Chun Hung, Hong-Yang Chuang
  • Publication number: 20190328895
    Abstract: An antibody-drug conjugate (ADC) has a structure represented by Formula (I): a pharmaceutically acceptable salt thereof wherein Ab is an antibody without glycans (i.e., the protein portion an antibody); G1 and G2 are glycan moieties, which may be the same or different; Cn1 and Cn2 are conjugation moieties, which may be the same or different; L1 and L2 are linker moieties, which may be the same or different; D1 and D2; are drug units which may be the same or different; and x and y are independently an integer from 0 to 8, provided that x+y?0.
    Type: Application
    Filed: November 14, 2017
    Publication date: October 31, 2019
    Applicants: CHO PHARMA INC.
    Inventors: Nan-Horng LIN, Charng-Sheng TSAI, Ting-Chun HUNG, Hong-Yang CHUANG
  • Publication number: 20180133340
    Abstract: An antibody-drug conjugate (ADC) has a structure represented by Formula (I): [D2-L2-Cn2?yG2-Ab-Sg1?G1-L1-D1]x?? Formula (I) or a pharmaceutically acceptable salt thereof, wherein Ab is an antibody without glycans (i.e., the protein portion of an antibody); G1 and G2 are glycan moieties, which may be the same or different; Cn1 and Cn2 are conjugation moieties, which may be the same or different; L1 and L2 are linker moieties, which may be the same or different; D1 and D2 are drug units which may be the same or different; and x and y are independently an integer from 0 to 8, provided that x+y?0.
    Type: Application
    Filed: November 14, 2017
    Publication date: May 17, 2018
    Applicant: CHO Pharma Inc.
    Inventors: Nan-Horng Lin, Charng-Sheng Tsai, Ting-Chun Hung, Hong-Yang Chuang
  • Patent number: 9914956
    Abstract: Provided herein are novel irreversible sialidase inhibitors. These compounds can be conjugated with a detectable tagging moiety such as azide-annexed biotin via CuAAC for isolation and identification of sialidases. The provided compounds and the corresponding detectable conjugates are useful for detecting sialidase-containing pathogens and imaging in situ sialidase activities under physiological conditions.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: March 13, 2018
    Assignee: Academia Sinica
    Inventors: Chi-Huey Wong, Jim-Min Fang, Yih-Shyun E. Cheng, Charng-Sheng Tsai
  • Publication number: 20150225766
    Abstract: Provided herein are novel irreversible sialidase inhibitors. These compounds can be conjugated with a detectable tagging moiety such as azide-annexed biotin via CuAAC for isolation and identification of sialidases. The provided compounds and the corresponding detectable conjugates are useful for detecting sialidase-containing pathogens and imaging in situ sialidase activities under physiological conditions.
    Type: Application
    Filed: August 16, 2013
    Publication date: August 13, 2015
    Inventors: Chi-Huey Wong, Jim-Min Fang, Yih-Shyun E. Cheng, Charng-Sheng Tsai