Patents by Inventor Christophe Frederic Jerome Blanchetot

Christophe Frederic Jerome Blanchetot 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: 11649295
    Abstract: The present invention relates to multispecific antibodies, for example bispecific antibodies, and methods for the isolation or purification of the same. The antibodies of the invention comprise first and second heavy chain-light chain pairings wherein each pairing comprises a distinct selective recognition site including one or more amino acid residues contributed from the heavy chain and the light chain of the pairing. The first and second selective recognition sites differ by at least one amino acid residue and can be differentially bound by first and second selective recognition agents according to the methods of the invention. Such methods facilitate the production of antibody preparations enriched for multispecific antibodies having the correct functional heavy chain-light chain pairings.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: May 16, 2023
    Assignee: argenx BV
    Inventors: Christophe Frederic Jerome Blanchetot, Johannes Joseph Wilhelmus De Haard
  • Publication number: 20230088269
    Abstract: The present invention relates to antibodies and antigen binding fragments thereof which bind to the cytokine receptor IL-22R, particularly human IL-22R. The invention also relates to pharmaceutical compositions comprising said antibodies or antigen binding fragments thereof, and methods of treating psoriasis, psoriatic arthritis or atopic dermatitis.
    Type: Application
    Filed: August 11, 2022
    Publication date: March 23, 2023
    Inventors: Christophe Frederic Jerome BLANCHETOT, Birgitte URSØ, Tine SKAK-NIELSEN, Malene BERTELSEN, Sebastian VAN DER WONING, Michael SAUNDERS, Johannes Joseph Wilhelmus DE HAARD
  • Patent number: 11447544
    Abstract: The present invention relates to antibodies and antigen binding fragments thereof which bind to the cytokine receptor IL-22R, particularly human IL-22R. The invention also relates to pharmaceutical compositions comprising said antibodies or antigen binding fragments thereof, and methods of treating psoriasis, psoriatic arthritis or atopic dermatitis.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: September 20, 2022
    Assignee: argenx BV
    Inventors: Christophe Frederic Jerome Blanchetot, Birgitte Ursø, Tine Skak-Nielsen, Malene Bertelsen, Sebastian Van Der Woning, Michael Saunders, Johannes Joseph Wilhelmus De Haard
  • Patent number: 11261246
    Abstract: The present invention relates to antibodies and antigen binding fragments thereof which bind to the cytokine receptor IL-22R, particularly human IL-22R. The invention also relates to pharmaceutical compositions comprising said antibodies or antigen binding fragments thereof, and methods of treating psoriasis, psoriatic arthritis or atopic dermatitis.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: March 1, 2022
    Assignee: argenx BV
    Inventors: Christophe Frederic Jerome Blanchetot, Birgitte Ursø, Tine Skak-Nielsen, Malene Bertelsen, Sebastian Van Der Woning, Michael Saunders, Johannes Joseph Wilhelmus De Haard
  • Publication number: 20200216528
    Abstract: The present invention relates to antibodies and antigen binding fragments thereof which bind to the cytokine receptor IL-22R, particularly human IL-22R. The invention also relates to pharmaceutical compositions comprising said antibodies or antigen binding fragments thereof, and methods of treating psoriasis, psoriatic arthritis or atopic dermatitis.
    Type: Application
    Filed: October 23, 2019
    Publication date: July 9, 2020
    Inventors: Christophe Frederic Jerome BLANCHETOT, Birgitte URSØ, Tine SKAK-NIELSEN, Malene BERTELSEN, Sebastian VAN DER WONING, Michael SAUNDERS, Johannes Joseph Wilhelmus DE HAARD
  • Patent number: 10696741
    Abstract: The present invention relates to antibodies and antigen binding fragments thereof which bind to the cytokine receptor IL-22R, particularly human IL-22R. The invention also relates to pharmaceutical compositions comprising said antibodies or antigen binding fragments thereof, and methods of treating psoriasis, psoriatic arthritis or atopic dermatitis.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: June 30, 2020
    Assignee: argenx BVBA
    Inventors: Christophe Frederic Jerome Blanchetot, Birgitte Ursø, Tine Skak-Nielsen, Malene Bertelsen, Sebastian Van Der Woning, Michael Saunders, Johannes Joseph Wilhelmus De Haard
  • Publication number: 20200157248
    Abstract: The present invention relates to multispecific antibodies, for example bispecific antibodies, and methods for the isolation or purification of the same. The antibodies of the invention comprise first and second heavy chain-light chain pairings wherein each pairing comprises a distinct selective recognition site including one or more amino acid residues contributed from the heavy chain and the light chain of the pairing. The first and second selective recognition sites differ by at least one amino acid residue and can be differentially bound by first and second selective recognition agents according to the methods of the invention. Such methods facilitate the production of antibody preparations enriched for multispecific antibodies having the correct functional heavy chain-light chain pairings.
    Type: Application
    Filed: October 11, 2019
    Publication date: May 21, 2020
    Inventors: Christophe Frederic Jerome BLANCHETOT, Johannes Joseph Wilhelmus DE HAARD
  • Publication number: 20200157207
    Abstract: The present invention relates to antibodies and antigen binding fragments thereof which bind to the cytokine receptor IL-22R, particularly human IL-22R. The invention also relates to pharmaceutical compositions comprising said antibodies or antigen binding fragments thereof, and methods of treating psoriasis, psoriatic arthritis or atopic dermatitis.
    Type: Application
    Filed: October 23, 2019
    Publication date: May 21, 2020
    Inventors: Christophe Frederic Jerome BLANCHETOT, Birgitte URSØ, Tine SKAK-NIELSEN, Malene BERTELSEN, Sebastian VAN DER WONING, Michael SAUNDERS, Johannes Joseph Wilhelmus DE HAARD
  • Patent number: 10487156
    Abstract: The present invention relates to multispecific antibodies, for example bispecific antibodies, and methods for the isolation or purification of the same. The antibodies of the invention comprise first and second heavy chain-light chain pairings wherein each pairing comprises a distinct selective recognition site including one or more amino acid residues contributed from the heavy chain and the light chain of the pairing. The first and second selective recognition sites differ by at least one amino acid residue and can be differentially bound by first and second selective recognition agents according to the methods of the invention. Such methods facilitate the production of antibody preparations enriched for multispecific antibodies having the correct functional heavy chain-light chain pairings.
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: November 26, 2019
    Assignee: argenx BVBA
    Inventors: Christophe Frederic Jerome Blanchetot, Johannes Joseph Wilhelmus De Haard
  • Publication number: 20190127459
    Abstract: The present invention relates to antibodies and antigen binding fragments thereof which bind to the cytokine receptor IL-22R, particularly human IL-22R. The invention also relates to pharmaceutical compositions comprising said antibodies or antigen binding fragments thereof, and methods of treating psoriasis, psoriatic arthritis or atopic dermatitis.
    Type: Application
    Filed: January 8, 2019
    Publication date: May 2, 2019
    Inventors: Christophe Frederic Jerome BLANCHETOT, Birgitte URSØ, Tine SKAK-NIELSEN, Malene BERTELSEN, Sebastian VAN DER WONING, Michael SAUNDERS, Johannes Joseph Wilhelmus DE HAARD
  • Patent number: 10040870
    Abstract: Disclosed is an immune library obtained from a Camelid species containing at antibody chains belonging to at least 7 human germline antibody chains. The presence of a large number of human germline antibody chain families in the library contributes to the usefulness of the library in producing antibodies to human target antigens. The antibodies produced from the library have low inherent immunogenicity.
    Type: Grant
    Filed: September 2, 2013
    Date of Patent: August 7, 2018
    Assignee: argenx BVBA
    Inventors: Johannes Joseph Wilhelmus De Haard, Christophe Frederic Jerome Blanchetot, Alex Klarenbeek, Ikbel Achour, Khalil El Mazouari, Jurgen Del Favero
  • Publication number: 20180016351
    Abstract: The present invention is concerned with antigen binding polypeptides, and in particular conventional antibodies derived from camelid species, that specifically bind to target antigens that are either self-antigens or highly conserved antigens. The present invention also relates to anti-idiotype antigen binding peptides which bind to a target antigen comprising the variable region of an antibody obtained from a species within the family Camelidae.
    Type: Application
    Filed: September 28, 2017
    Publication date: January 18, 2018
    Inventors: Johannes Joseph Wilhelmus DE HAARD, Christophe Frederic Jerome BLANCHETOT
  • Publication number: 20170342166
    Abstract: The present invention relates to multispecific antibodies, for example bispecific antibodies, and methods for the isolation or purification of the same. The antibodies of the invention comprise first and second heavy chain-light chain pairings wherein each pairing comprises a distinct selective recognition site including one or more amino acid residues contributed from the heavy chain and the light chain of the pairing. The first and second selective recognition sites differ by at least one amino acid residue and can be differentially bound by first and second selective recognition agents according to the methods of the invention. Such methods facilitate the production of antibody preparations enriched for multispecific antibodies having the correct functional heavy chain-light chain pairings.
    Type: Application
    Filed: August 20, 2015
    Publication date: November 30, 2017
    Inventors: Christophe Frederic Jerome BLANCHETOT, Johannes Joseph Wilhelmus DE HAARD
  • Publication number: 20160319040
    Abstract: The invention relates to a platform technology for production of antigen binding polypeptides having specificity for a desired target antigen which is based on the conventional antibody repertoire of species in the family Camelidae, and to antigen binding polypeptides obtained using this technology platform. In particular, the invention provides an antigen binding polypeptide comprising a VH domain and a VL domain, wherein at least one hypervariable loop or complementarity determining region (CDR) in the VH domain or the VL domain is obtained from a VH or VL domain of a species in the family Camelidae.
    Type: Application
    Filed: April 8, 2016
    Publication date: November 3, 2016
    Inventors: Torsten Dreier, Christophe Frederic Jerome Blanchetot, Johannes Joseph Wilhelmus De Haard
  • Patent number: 9428580
    Abstract: The invention relates to a platform technology for production of antigen binding polypeptides having specificity for a desired target antigen which is based on the conventional antibody repertoire of species in the family Camelidae, and to antigen binding polypeptides obtained using this technology platform. In particular, the invention provides an antigen binding polypeptide comprising a VH domain and a VL domain, wherein at least one hypervariable loop or complementarity determining region (CDR) in the VH domain or the VL domain is obtained from a VH or VL domain of a species in the family Camelidae.
    Type: Grant
    Filed: September 15, 2011
    Date of Patent: August 30, 2016
    Assignee: ARGEN-X B.V.
    Inventors: Torsten Dreier, Christophe Frederic Jerome Blanchetot, Johannes Joseph Wilhelmus De Haard
  • Patent number: 9346891
    Abstract: The invention relates to a platform technology for production of antigen binding polypeptides having specificity for a desired target antigen which is based on the conventional antibody repertoire of species in the family Camelidae, and to antigen binding polypeptides obtained using this technology platform. In particular, the invention provides an antigen binding polypeptide comprising a VH domain and a VL domain, wherein at least one hypervariable loop or complementarity determining region (CDR) in the VH domain or the VL domain is obtained from a VH or VL domain of a species in the family Camelidae.
    Type: Grant
    Filed: January 28, 2015
    Date of Patent: May 24, 2016
    Assignee: ARGEN-X.N.V.
    Inventors: Torsten Dreier, Christophe Frederic Jerome Blanchetot, Johannes Joseph Wilhelmus De Haard
  • Patent number: 9315576
    Abstract: The invention relates to a platform technology for production of antigen binding polypeptides having specificity for a desired target antigen which is based on the conventional antibody repertoire of species in the family Camelidae, and to antigen binding polypeptides obtained using this technology platform. In particular, the invention provides an antigen binding polypeptide comprising a VH domain and a VL domain, wherein at least one hypervariable loop or complementarity determining region (CDR) in the VH domain or the VL domain is obtained from a VH or VL domain of a species in the family Camelidae.
    Type: Grant
    Filed: January 28, 2015
    Date of Patent: April 19, 2016
    Assignee: ARGEN-X N.V.
    Inventors: Torsten Dreier, Christophe Frederic Jerome Blanchetot, Johannes Joseph Wilhelmus De Haard
  • Patent number: 9221918
    Abstract: The invention relates to a platform technology for production of antigen binding polypeptides having specificity for a desired target antigen which is based on the conventional antibody repertoire of species in the family Camelidae, and to antigen binding polypeptides obtained using this technology platform. In particular, the invention provides an antigen binding polypeptide comprising a VH domain and a VL domain, wherein at least one hypervariable loop or complementarity determining region (CDR) in the VH domain or the VL domain is obtained from a VH or VL domain of a species in the family Camelidae.
    Type: Grant
    Filed: January 28, 2015
    Date of Patent: December 29, 2015
    Assignee: arGEN-X B.V.
    Inventors: Torsten Dreier, Christophe Frederic Jerome Blanchetot, Johannes Joseph Wilhelmus De Haard
  • Publication number: 20150252105
    Abstract: The invention relates to a platform technology for production of antigen binding polypeptides having specificity for a desired target antigen which is based on the conventional antibody repertoire of species in the family Camelidae, and to antigen binding polypeptides obtained using this technology platform. In particular, the invention provides an antigen binding polypeptide comprising a VH domain and a VL domain, wherein at least one hypervariable loop or complementarity determining region (CDR) in the VH domain or the VL domain is obtained from a VH or VL domain of a species in the family Camelidae.
    Type: Application
    Filed: January 28, 2015
    Publication date: September 10, 2015
    Inventors: Torsten Dreier, Christophe Frederic Jerome Blanchetot, Johannes Joseph Wilhelmus De Haard
  • Publication number: 20150246970
    Abstract: The invention relates to a platform technology for production of antigen binding polypeptides having specificity for a desired target antigen which is based on the conventional antibody repertoire of species in the family Camelidae, and to antigen binding polypeptides obtained using this technology platform. In particular, the invention provides an antigen binding polypeptide comprising a VH domain and a VL domain, wherein at least one hypervariable loop or complementarity determining region (CDR) in the VH domain or the VL domain is obtained from a VH or VL domain of a species in the family Camelidae.
    Type: Application
    Filed: January 28, 2015
    Publication date: September 3, 2015
    Inventors: Torsten Dreier, Christophe Frederic Jerome Blanchetot, Johannes Joseph Wilhelmus De Haard