Patents by Inventor Olivier Lèger

Olivier Lèger 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: 11958913
    Abstract: The present invention relates to a mutant polypeptide linker for preparing multispecific antibodies, multispecific antibodies, and methods for producing multispecific antibodies.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: April 16, 2024
    Assignee: BIOMUNEX PHARMACEUTICALS
    Inventors: Eugene Zhukovsky, Olivier Leger
  • Patent number: 11897962
    Abstract: The present disclosure provides antibodies that specifically bind to human glucocorticoid-induced TNFR family related receptor (GITR) and compositions comprising such antibodies. In a specific aspect, the antibodies specifically bind to human GITR and modulate GITR activity, e.g., enhance, activate or induce GITR activity, utilizing such antibodies. The present disclosure also provides methods for treating disorders, such as cancer and infectious diseases, by administering an antibody that specifically binds to human GITR and modulates GITR activity e.g., enhances, activates or induces GITR activity.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: February 13, 2024
    Assignees: AGENUS INC., Memorial Sloan-Kettering Cancer Center, Ludwig Institute for Cancer Research Ltd.
    Inventors: Volker Seibert, Olivier Léger, Marc Van Dijk, Taha Merghoub, David Schaer, Gerd Ritter, Takemasa Tsuji
  • Patent number: 11884724
    Abstract: The present application relates to anti-PD-L1 antibodies or antigen binding fragments thereof, nucleic acid encoding the same, therapeutic compositions thereof, and their use to enhance T-cell function to upregulate cell-mediated immune responses and for the treatment of T cell dysfunctional disorders, such as tumor immunity, for the treatment of and cancer.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: January 30, 2024
    Assignee: Merck Patent GmbH
    Inventors: Horacio G. Nastri, Christel Iffland, Olivier Leger, Qi An, Mark Cartwright, Sean D. McKenna
  • Publication number: 20230406946
    Abstract: The present disclosure provides multispecific (e.g., bispecific) antibodies that specifically bind to human GITR and/or human OX40 as well as compositions comprising such antibodies. In a specific aspect, the multispecific antibodies specifically bind to human GITR and OX40 and modulate GITR and/or OX40 activity, e.g., enhance, activate, or induce GITR and/or OX40 activity, or reduce, deactivate, or inhibit GITR and/or OX40 activity. The present disclosure also provides methods for treating disorders, such as cancer, by administering a multispecific antibody that specifically binds to human GITR and/or OX40 and modulates GITR and/or OX40 activity, e.g., enhances, activates, or induces GITR and/or OX40 activity. Also provided are methods for treating autoimmune or inflammatory diseases or disorders, by administering a multispecific antibody that specifically binds to human GITR and/or OX40 and modulates GITR and/or OX40 activity, e.g., reduces, deactivates, or inhibits GITR and/or OX40 activity.
    Type: Application
    Filed: August 22, 2022
    Publication date: December 21, 2023
    Inventors: Nicholas S. WILSON, Jeremy D. WAIGHT, Gerd RITTER, David SCHAER, Daniel HIRSCHHORN-CYMERMAN, Taha MERGHOUB, Ekaterina V. BREOUS-NYSTROM, Volker SEIBERT, Takemasa TSUJI, Olivier LÉGER, Dennis J. UNDERWOOD, Marc VAN DIJK
  • Publication number: 20230399413
    Abstract: The present disclosure provides multispecific (e.g., bispecific) antibodies that specifically bind to human GITR and/or human OX40 as well as compositions comprising such antibodies. In a specific aspect, the multispecific antibodies specifically bind to human GITR and OX40 and modulate GITR and/or OX40 activity, e.g., enhance, activate, or induce GITR and/or OX40 activity, or reduce, deactivate, or inhibit GITR and/or OX40 activity. The present disclosure also provides methods for treating disorders, such as cancer, by administering a multispecific antibody that specifically binds to human GITR and/or OX40 and modulates GITR and/or OX40 activity, e.g., enhances, activates, or induces GITR and/or OX40 activity. Also provided are methods for treating autoimmune or inflammatory diseases or disorders, by administering a multispecific antibody that specifically binds to human GITR and/or OX40 and modulates GITR and/or OX40 activity, e.g., reduces, deactivates, or inhibits GITR and/or OX40 activity.
    Type: Application
    Filed: August 22, 2022
    Publication date: December 14, 2023
    Inventors: Nicholas S. WILSON, Jeremy D. WAIGHT, Gerd RITTER, David SCHAER, Daniel HIRSCHHORN-CYMERMAN, Taha MERGHOUB, Ekaterina V. BREOUS-NYSTROM, Volker SEIBERT, Takemasa TSUJI, Olivier LÉGER, Dennis J. UNDERWOOD, Marc VAN DIJK
  • Patent number: 11773159
    Abstract: The present disclosure relates to amino acid sequences that are directed against (as defined herein) any of IL-17A, IL-17F and/or IL-17A/F including combinations thereof, as well as to compounds or constructs, and in particular proteins and polypeptides, that comprise or essentially consist of one or more such amino acid sequences.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: October 3, 2023
    Assignee: Merck Patent GmbH
    Inventors: Heidi Rommelaere, Joost Alexander Kolkman, Michael John Scott Saunders, Ann Union, Yolande Chvatchko, Amanda E. I. Proudfoot, Alain Vicari, Denis Bruniquel, Laurent Chevalet, Olivier Leger
  • Publication number: 20230146591
    Abstract: The present invention relates to a bispecific molecule comprising at least one anti-CD38 domain and at least one anti-PD-L1 domain, which are capable of simultaneous binding to CD38 and PD-L1 antigens, respectively.
    Type: Application
    Filed: November 17, 2022
    Publication date: May 11, 2023
    Inventors: EUGENE ZHUKOVSKY, OLIVIER LEGER, RICHARD J. MORSE
  • Patent number: 11613582
    Abstract: This invention provides fully human monoclonal antibodies that recognize the IL-6/IL-6R complex. The invention further provides methods of using such monoclonal antibodies as a therapeutic, diagnostic, and prophylactic.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: March 28, 2023
    Assignee: NovImmune S.A.
    Inventors: Walter Ferlin, Marie Kosco-Vilbois, Greg Elson, Olivier Leger, Florence Guilhot
  • Publication number: 20230039577
    Abstract: The present disclosure provides antibodies that specifically bind to human glucocorticoid-induced TNFR family related receptor (GITR) and compositions comprising such antibodies. In a specific aspect, the antibodies specifically bind to human GITR and modulate GITR activity, e.g., enhance, activate or induce GITR activity, utilizing such antibodies. The present disclosure also provides methods for treating disorders, such as cancer and infectious diseases, by administering an antibody that specifically binds to human GITR and modulates GITR activity e.g., enhances, activates or induces GITR activity.
    Type: Application
    Filed: June 22, 2022
    Publication date: February 9, 2023
    Inventors: Ana M. GONZALEZ, Nicholas S. Wilson, Dennis J. Underwood, Volker Seibert, Olivier Léger, Marc Van Dijk, Roberta Zappasodi, Taha Merghoub, Jedd David Wolchok, David Schaer, Gerd Ritter, Takemasa Tsuji
  • Patent number: 11560437
    Abstract: The invention relates to multispecific antibody constructs comprising Fab fragments having a particular set of mutations at the interface of the CH1 and CL domains, the mutations preventing heavy chain/light chain mispairing.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: January 24, 2023
    Assignee: BIOMUNEX PHARMACEUTICALS
    Inventors: Eugene Zhukovsky, Olivier Leger, Richard J. Morse
  • Patent number: 11505616
    Abstract: The present invention relates to a bispecific molecule comprising at least one anti-CD38 domain and at leak one anti-PD-L1 domain, which are capable of simultaneous binding to CD38 and PD-L1 antigens, respectively.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: November 22, 2022
    Assignee: BIOMUNEX PHARMACEUTICALS
    Inventors: Eugene Zhukovsky, Olivier Leger, Richard J. Morse
  • Patent number: 11447557
    Abstract: The present disclosure provides multispecific (e.g., bispecific) antibodies that specifically bind to human GITR and/or human OX40 as well as compositions comprising such antibodies. In a specific aspect, the multispecific antibodies specifically bind to human GITR and OX40 and modulate GITR and/or OX40 activity, e.g., enhance, activate, or induce GITR and/or OX40 activity, or reduce, deactivate, or inhibit GITR and/or OX40 activity. The present disclosure also provides methods for treating disorders, such as cancer, by administering a multispecific antibody that specifically binds to human GITR and/or OX40 and modulates GITR and/or OX40 activity, e.g., enhances, activates, or induces GITR and/or OX40 activity. Also provided are methods for treating autoimmune or inflammatory diseases or disorders, by administering a multispecific antibody that specifically binds to human GITR and/or OX40 and modulates GITR and/or OX40 activity, e.g., reduces, deactivates, or inhibits GITR and/or OX40 activity.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: September 20, 2022
    Assignees: Agenus Inc., Memorial Sloan-Kettering Cancer Center, Ludwig Institute for Cancer Research Ltd.
    Inventors: Nicholas S. Wilson, Jeremy D. Waight, Gerd Ritter, David Schaer, Daniel Hirschhorn-Cymerman, Taha Merghoub, Ekaterina V. Breous-Nystrom, Volker Seibert, Takemasa Tsuji, Olivier Léger, Dennis J. Underwood, Marc Van Dijk
  • Patent number: 11401335
    Abstract: The present disclosure provides antibodies that specifically bind to human glucocorticoid-induced TNFR family related receptor (GITR) and compositions comprising such antibodies. In a specific aspect, the antibodies specifically bind to human GITR and modulate GITR activity, e.g., enhance, activate or induce GITR activity, utilizing such antibodies. The present disclosure also provides methods for treating disorders, such as cancer and infectious diseases, by administering an antibody that specifically binds to human GITR and modulates GITR activity e.g., enhances, activates or induces GITR activity.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: August 2, 2022
    Assignees: AGENUS INC., Memorial Sloan-Kettering Cancer Center, Ludwig Institute for Cancer Research Ltd.
    Inventors: Ana M. Gonzalez, Nicholas S. Wilson, Dennis J. Underwood, Volker Seibert, Olivier Léger, Marc Van Dijk, Roberta Zappasodi, Taha Merghoub, Jedd David Wolchok, David Schaer, Gerd Ritter, Takemasa Tsuji
  • Publication number: 20220195031
    Abstract: The present disclosure relates to amino acid sequences that are directed against (as defined herein) any of IL-17A, IL-17F and/or IL-17A/F including combinations thereof, as well as to compounds or constructs, and in particular proteins and polypeptides, that comprise or essentially consist of one or more such amino acid sequences.
    Type: Application
    Filed: February 24, 2022
    Publication date: June 23, 2022
    Applicant: Merck Patent GmbH
    Inventors: Heidi ROMMELAERE, Joost Alexander KOLKMAN, Michael John Scott SAUNDERS, Ann UNION, Yolande CHVATCHKO, Amanda E.I. PROUDFOOT, Alain VICARI, Denis BRUNIQUEL, Laurent CHEVALET, Olivier LEGER
  • Patent number: 11130806
    Abstract: The present invention relates to antibodies binding IL-15, in particular humanized antibodies. In particular, the anti-IL-15 antibodies according to the invention are able to neutralize IL-15 activity and are useful in the prevention and/or treatment of an autoimmune disease and/or inflammatory disorder, a malignancy, transplant rejection, metabolic condition and/or an infectious disease caused by parasitic, viral or bacterial pathogens.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: September 28, 2021
    Assignee: CALYPSO BIOTECH SA
    Inventors: Alain Vicari, Olivier Leger
  • Publication number: 20210171648
    Abstract: The present disclosure provides multispecific (e.g., bispecific) antibodies that specifically bind to human GITR and/or human OX40 as well as compositions comprising such antibodies. In a specific aspect, the multispecific antibodies specifically bind to human GITR and OX40 and modulate GITR and/or OX40 activity, e.g., enhance, activate, or induce GITR and/or OX40 activity, or reduce, deactivate, or inhibit GITR and/or OX40 activity. The present disclosure also provides methods for treating disorders, such as cancer, by administering a multispecific antibody that specifically binds to human GITR and/or OX40 and modulates GITR and/or OX40 activity, e.g., enhances, activates, or induces GITR and/or OX40 activity. Also provided are methods for treating autoimmune or inflammatory diseases or disorders, by administering a multispecific antibody that specifically binds to human GITR and/or OX40 and modulates GITR and/or OX40 activity, e.g., reduces, deactivates, or inhibits GITR and/or OX40 activity.
    Type: Application
    Filed: October 22, 2020
    Publication date: June 10, 2021
    Inventors: Nicholas S. WILSON, Jeremy D. WAIGHT, Gerd RITTER, David SCHAER, Daniel HIRSCHHORN-CYMERMAN, Taha MERGHOUB, Ekaterina V. BREOUS-NYSTROM, Volker SEIBERT, Takemasa TSUJI, Olivier LÉGER, Dennis J. UNDERWOOD, Marc VAN DIJK
  • Publication number: 20210130452
    Abstract: The present disclosure relates to amino acid sequences that are directed against (as defined herein) any of IL-17A, IL-17F and/or IL-17A/F including combinations thereof, as well as to compounds or constructs, and in particular proteins and polypeptides, that comprise or essentially consist of one or more such amino acid sequences.
    Type: Application
    Filed: September 29, 2020
    Publication date: May 6, 2021
    Applicant: Merck Patent GmbH
    Inventors: Heidi ROMMELAERE, Joost Alexander KOLKMAN, Michael John Scott SAUNDERS, Ann UNION, Yolande CHVATCHKO, Amanda E.I. PROUDFOOT, Alain VICARI, Denis BRUNIQUEL, Laurent CHEVALET, Olivier LEGER
  • Publication number: 20210070872
    Abstract: The present disclosure provides antibodies that specifically bind to human glucocorticoid-induced TNFR family related receptor (GITR) and compositions comprising such antibodies. In a specific aspect, the antibodies specifically bind to human GITR and modulate GITR activity, e.g., enhance, activate or induce GITR activity, utilizing such antibodies. The present disclosure also provides methods for treating disorders, such as cancer and infectious diseases, by administering an antibody that specifically binds to human GITR and modulates GITR activity e.g., enhances, activates or induces GITR activity.
    Type: Application
    Filed: August 21, 2020
    Publication date: March 11, 2021
    Inventors: Volker SEIBERT, Olivier LÉGER, Marc VAN DIJK, Taha MERGHOUB, David SCHAER, Gerd RITTER, Takemasa TSUJI
  • Publication number: 20210054073
    Abstract: The present application relates to anti-PD-L1 antibodies or antigen binding fragments thereof, nucleic acid encoding the same, therapeutic compositions thereof, and their use to enhance T-cell function to upregulate cell-mediated immune responses and for the treatment of T cell dysfunctional disorders, such as tumor immunity, for the treatment of and cancer.
    Type: Application
    Filed: August 4, 2020
    Publication date: February 25, 2021
    Inventors: Horacio G. Nastri, Christel Iffland, Olivier Leger, Qi An, Mark Cartwright, Sean D. McKenna
  • Publication number: 20210009691
    Abstract: The present invention is related to antibodies directed to the antigen CD3 and uses of such antibodies. In particular, the present invention provides fully human monoclonal antibodies directed to CD3. Nucleotide sequences encoding, and amino acid sequences comprising, heavy and light chain immunoglobulin molecules, particularly sequences corresponding to contiguous heavy and light chain sequences spanning the framework regions and/or complementarity determining regions (CDR's), specifically from FRI through FR4 or CDRI through CDR3, are provided. Hybridomas or other cell lines expressing such immunoglobulin molecules and monoclonal antibodies are also provided.
    Type: Application
    Filed: July 31, 2020
    Publication date: January 14, 2021
    Inventors: Bernard MACH, Yann DEAN, Marie KOSCO-VILBOIS, Greg ELSON, Nicolas FISCHER, Olivier LEGER