Patents by Inventor Liuhong Chen

Liuhong Chen 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: 11542304
    Abstract: The present invention relates to multimers of polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. The invention also describes the multimerization of polypeptides through various chemical linkers and hinges of various lengths and rigidity using different sites of attachments within polypeptides. In particular, the invention describes multimers of peptides which are high affinity binders and activators of CD137. The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by CD137.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: January 3, 2023
    Inventors: Liuhong Chen, Rachid Lani, Kevin Mcdonnell, Gemma Mudd, Peter U. Park, Punit Upadhyaya
  • Publication number: 20220363718
    Abstract: The present invention relates to polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of thymic stromal lymphopoietin (TSLP). The invention also includes pharmaceutical compositions comprising said peptide ligands and to the use of said peptide ligands in preventing, suppressing or treating a disease or disorder mediated by TSLP.
    Type: Application
    Filed: April 6, 2021
    Publication date: November 17, 2022
    Inventors: Frank NARJES, Tor SVENSSON, Pavol ZLATOIDSKY, Lotta HIDESTAL, Liuhong CHEN, Michael SKYNNER, Sophie WATCHAM
  • Patent number: 11484602
    Abstract: The present invention relates to polypeptides which are covalently bound to non-aromatic molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of the Eph receptor tyrosine kinase A2 (EphA2). The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder characterised by overexpression of EphA2 in diseased tissue (such as a tumour).
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: November 1, 2022
    Assignee: BicycleTx Limited
    Inventors: Liuhong Chen, Philip Huxley, Silvia Pavan, Katerine Van Rietschoten
  • Publication number: 20220306689
    Abstract: The present invention relates to polypeptides which are covalently bound to non-aromatic molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of PD-L1. The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by PD-L1.
    Type: Application
    Filed: December 23, 2019
    Publication date: September 29, 2022
    Inventors: Liuhong CHEN, James COOKE, Kevin MCDONNELL, Gemma MUDD, Katerine VAN RIETSCHOTEN, Punit UPADHYAYA
  • Patent number: 11453702
    Abstract: The present invention relates to polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of Nectin-4. The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by Nectin-4.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: September 27, 2022
    Assignee: BICYCLETX LIMITED
    Inventors: Paul Beswick, Liuhong Chen, Gemma Mudd, Peter Park, Katerine Van Rietschoten, Michael Rigby
  • Publication number: 20220296726
    Abstract: The present invention relates to polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which bind to TREM2. The invention also relates to multimeric binding complexes which comprise at least two of said bicyclic peptide ligands. The invention also includes pharmaceutical compositions comprising said peptide ligands and multimeric binding complexes and the use of said peptide ligands, multimeric binding complexes and pharmaceutical compositions in preventing, suppressing or treating a disease or disorder mediated by TREM2.
    Type: Application
    Filed: March 18, 2022
    Publication date: September 22, 2022
    Applicant: BicycleTx Limited
    Inventors: Paul Brennan, Amy Brown, Liuhong Chen, John Davis, Yuliya Demydchuk, Donatella Di Rienzo, Ellen Gowans, Rama McCrory, Emma Mead, Emma Murphy, Mike Rigby, Michael Skynner, Tom Smith, Steven Stanway
  • Publication number: 20220289792
    Abstract: The present invention relates to polypeptides which are covalently bound to non-aromatic molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of the Eph receptor tyrosine kinase A2 (EphA2). The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder characterised by overexpression of EphA2 in diseased tissue (such as a tumour).
    Type: Application
    Filed: December 19, 2018
    Publication date: September 15, 2022
    Inventors: Liuhong CHEN, Philip HUXLEY, Silvia PAVAN, Katerine VAN RIETSCHOTEN
  • Publication number: 20220281918
    Abstract: The present invention relates to polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of penicillin-binding proteins (PBPs). The invention also includes pharmaceutical compositions comprising said peptide ligands and to the use of said peptide ligands in suppressing or treating a disease or disorder mediated by bacterial infection or for providing prophylaxis to a subject at risk of infection.
    Type: Application
    Filed: August 28, 2020
    Publication date: September 8, 2022
    Inventors: Katerine VAN RIETSCHOTEN, Paul BESWICK, Mike DAWSON, Matthew BALMFORTH, Michael SKYNNER, Liuhong CHEN
  • Publication number: 20220213145
    Abstract: The present invention relates to polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of CD137. The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by CD137.
    Type: Application
    Filed: January 21, 2022
    Publication date: July 7, 2022
    Inventors: Liuhong CHEN, Rachid LANI, Kevin MCDONNELL, Gemma Elizabeth MUDD, Peter PARK
  • Publication number: 20220133732
    Abstract: The present invention relates to polypeptides which are covalently bound to aromatic molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of carbonic anhydrase IX (CAIX).The invention also includes dmg conjugates comprising said peptides,conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by CAIX.
    Type: Application
    Filed: January 15, 2020
    Publication date: May 5, 2022
    Inventors: Leonardo BALDASSARRE, Liuhong CHEN, Rachid LANI, Catherine STACE, Daniel TEUFEL, Edward WALKER
  • Publication number: 20220088207
    Abstract: The present invention relates to polypeptides which are covalently bound to aromatic molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of PD-L1. The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by PD-L1.
    Type: Application
    Filed: December 23, 2019
    Publication date: March 24, 2022
    Inventors: Liuhong CHEN, James COOKE, Kevin MCDONNELL, Gemma MUDD, Katerine VAN RIETSCHOTEN, Punit UPADHYAYA
  • Publication number: 20220088118
    Abstract: The present invention relates to polypeptides which are covalently bound to non-aromatic molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of carbonic anhydrase IX (CAIX). The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by CAIX.
    Type: Application
    Filed: January 15, 2020
    Publication date: March 24, 2022
    Inventors: Leonardo BALDASSARRE, Liuhong CHEN, Rachid LANI, Catherine STACE, Daniel TEUFEL, Edward WALKER
  • Publication number: 20220089643
    Abstract: The present invention relates to polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of Nectin-4. The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by Nectin-4.
    Type: Application
    Filed: September 30, 2021
    Publication date: March 24, 2022
    Inventors: Paul BESWICK, Liuhong CHEN, Gemma MUDD, Peter PARK, Katerine VAN RIETSCHOTEN, Michael RIGBY
  • Patent number: 11261214
    Abstract: The present invention relates to polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of CD137. The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by CD137.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: March 1, 2022
    Assignee: BicycleTx Limited
    Inventors: Liuhong Chen, Rachid Lani, Kevin McDonnell, Gemma Mudd, Peter Park
  • Publication number: 20220054646
    Abstract: The present invention relates to polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of prostrate-specific membrane antigen (PSMA).The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by PSMA.
    Type: Application
    Filed: December 13, 2019
    Publication date: February 24, 2022
    Inventors: Liuhong CHEN, Catherine STACE, Daniel TEUFEL, Punit UPADHYAYA, Edward WALKER
  • Publication number: 20220024983
    Abstract: The present invention relates to polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of IL-17. The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by IL-17.
    Type: Application
    Filed: December 13, 2019
    Publication date: January 27, 2022
    Inventors: Liuhong CHEN, Rachid LANI, Gemma MUDD, Daniel TEUFEL, Edward WALKER
  • Publication number: 20220024982
    Abstract: The present invention relates to polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of membrane type 1 metalloprotease (MT1-MMP). The invention also describes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups which have utility in imaging and targeted cancer therapy.
    Type: Application
    Filed: December 13, 2019
    Publication date: January 27, 2022
    Inventors: Liuhong CHEN, Euan RICHARDS, Rachid LANI, Gemma MUDD, Catherine STACE, Daniel TEUFEL, Edward WALKER
  • Publication number: 20220008545
    Abstract: The present invention relates to polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of fibroblast activation protein a (FAP?). The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by FAP?.
    Type: Application
    Filed: December 13, 2019
    Publication date: January 13, 2022
    Inventors: Liuhong CHEN, Catherine STACE, Edward WALKER
  • Patent number: 11180531
    Abstract: The present invention relates to polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of Nectin-4. The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by Nectin-4.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: November 23, 2021
    Assignee: BicycleTx Limited
    Inventors: Paul Beswick, Liuhong Chen, Gemma Mudd, Peter Park, Katerine Van Rietschoten, Michael Rigby
  • Publication number: 20210269480
    Abstract: The present invention relates to polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of Nectin-4.The invention also includes drug conjugates comprising said peptides,conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by Nectin-4.
    Type: Application
    Filed: June 21, 2019
    Publication date: September 2, 2021
    Inventors: Paul BESWICK, Liuhong CHEN, Gemma Elizabeth MUDD, Peter PARK, Katerine VAN RIETSCHOTEN, Michael RIGBY