Patents by Inventor Donald L. Siegel

Donald L. Siegel 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: 20240109967
    Abstract: The present invention relates to canine antibodies, binding polypeptides, and scFvs specific for canine cytotoxic T lymphocyte associated protein 4 (CTLA-4).
    Type: Application
    Filed: October 20, 2023
    Publication date: April 4, 2024
    Inventors: Nicola J. MASON, Donald L. SIEGEL, Nicholas CHESTER
  • Publication number: 20240067737
    Abstract: The present invention relates to compositions and methods for treating diseases, disorders or conditions associated with the expression of the glycosyl-phosphatidylinositol (GPI)-linked GDNF family protein ?-receptor 4 (GFR?4).
    Type: Application
    Filed: September 27, 2023
    Publication date: February 29, 2024
    Inventors: Donald L. Siegel, Vijay Bhoj, Christoph Rader, Rebecca Goydel
  • Patent number: 11802159
    Abstract: The present invention relates to compositions and methods for treating diseases, disorders or conditions associated with the expression of the glycosyl-phosphatidylinositol (GPI)-linked GDNF family protein ?-receptor 4 (GFR?4).
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: October 31, 2023
    Assignees: The Trustees of the University of Pennsylvania, The Scripps Research Institute
    Inventors: Donald L. Siegel, Vijay Bhoj, Christoph Rader, Rebecca Goydel
  • Publication number: 20230167429
    Abstract: The invention includes a chimeric autoantibody receptor (CAAR) comprising an extracellular domain comprising an ADAMTS13 autoantigen or fragment thereof, compositions comprising the CAAR, nucleic acids encoding the CAAR, vectors comprising a nucleic acid encoding the CAAR, and recombinant cells comprising the CAAR.
    Type: Application
    Filed: April 23, 2021
    Publication date: June 1, 2023
    Inventors: Vijay Bhoj, Kalpana Parvathaneni, Donald L. Siegel
  • Patent number: 11629198
    Abstract: Compositions and methods are provided for loading cargoes onto red blood cells. Provided herein are novel antibodies, fragments, fusion proteins and other conjugates which specifically bind red blood cells via RHCE or Band 3.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: April 18, 2023
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: Carlos H. Villa, Vladimir R. Muzykantov, Donald L. Siegel, Colin Greineder
  • Patent number: 11597778
    Abstract: The present invention relates to compositions and methods of use of anti-ADAMTS13 autoantibodies and fragments thereof. In one aspect, the invention includes a composition comprising an isolated anti-ADAMTS13 autoantibody or fragment thereof. In other aspects, methods are described for generating an in vivo model of thrombotic thrombocytopenic purpura (TTP) comprising introducing at least one anti-ADAMTS13 autoantibody or fragment thereof into a model organism and identifying an anti-autoimmune reagent for treating TTP.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: March 7, 2023
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: Donald L. Siegel, Stephen Kacir, Eric Ostertag, X. Long Zheng
  • Publication number: 20210253728
    Abstract: The present invention includes compositions and methods for retrieving tumor-related antibodies and antigens. In one aspect, the invention includes a method for Sequential Tumor-related Antibody and antigen Retrieving (STAR) which directly and efficiently identifies potent antibodies that can specifically bind to tumor-related antigens on the tumor cell surface. In another aspect, the invention includes a CAR comprising a nanobody, a transmembrane domain, and an intracellular domain, wherein the nanobody is retrieved by a STAR method. In another aspect, the invention includes a CAR T system that targets CD13 and treats acute myeloid leukemia. In another aspect, the invention includes a CAR T system and ADC that targets CDH17 and treats NETs and other types of tumors expressing this antigen, with tolerable toxicities.
    Type: Application
    Filed: April 26, 2019
    Publication date: August 19, 2021
    Inventors: Xianxin HUA, Xin HE, Zijie FENG, Donald L. SIEGEL
  • Publication number: 20210171652
    Abstract: Compositions and methods are provided for loading cargoes onto red blood cells. Provided herein are novel antibodies, fragments, fusion proteins and other conjugates which specifically bind red blood cells via RHCE or Band 3.
    Type: Application
    Filed: December 5, 2018
    Publication date: June 10, 2021
    Inventors: Carlos H. Villa, Vladimir R. Muzykantov, Donald L. Siegel, Colin Greineder
  • Publication number: 20210095036
    Abstract: The present invention relates to compositions and methods for treating diseases, disorders or conditions associated with the expression of the glycosyl-phosphatidylinositol (GPI)-linked GDNF family protein ?-receptor 4 (GFR?4).
    Type: Application
    Filed: September 29, 2020
    Publication date: April 1, 2021
    Inventors: Donald L. Siegel, Vijay Bhoj, Christoph Rader, Rebecca Goydel
  • Publication number: 20210079059
    Abstract: The present invention relates to compositions and methods for treating diseases, disorders or conditions associated with the expression of the Glycosyl-phosphatidylinositol (GPI)-linked GDNF family ?-receptor 4 (GFR?4).
    Type: Application
    Filed: October 23, 2020
    Publication date: March 18, 2021
    Inventors: Donald L. Siegel, Michael C. Milone, Vijay Bhoj, Christoph Rader
  • Patent number: 10851149
    Abstract: The present invention relates to compositions and methods for treating diseases, disorders or conditions associated with the expression of the Glycosyl-phosphatidylinositol (GPI)-linked GDNF family ?-receptor 4 (GFR?4).
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: December 1, 2020
    Assignees: THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA, NOVARTIS AG, THE SCRIPPS RESEARCH INSTITUTE
    Inventors: Donald L. Siegel, Michael C. Milone, Vijay Bhoj, Christoph Rader
  • Publication number: 20190031771
    Abstract: The present invention relates to compositions and methods of use of anti-ADAMTS13 autoantibodies and fragments thereof. In one aspect, the invention includes a composition comprising an isolated anti-ADAMTS13 autoantibody or fragment thereof. In other aspects, methods are described for generating an in vivo model of thrombotic thrombocytopenic purpura (TTP) comprising introducing at least one anti-ADAMTS13 autoantibody or fragment thereof into a model organism and identifying an anti-autoimmune reagent for treating TTP.
    Type: Application
    Filed: April 6, 2016
    Publication date: January 31, 2019
    Inventors: Donald L. SIEGEL, Stephen KACIR, Eric OSTERTAG, X. Long ZHENG
  • Publication number: 20170334967
    Abstract: The present invention relates to compositions and methods for treating diseases, disorders or conditions associated with the expression of the Glycosyl-phosphatidylinositol (GPI)-linked GDNF family ?-receptor 4 (GFR?4).
    Type: Application
    Filed: August 14, 2015
    Publication date: November 23, 2017
    Inventors: Donald L. Siegel, Michael C. Milone, Vijay Bhoj
  • Patent number: 8846867
    Abstract: This invention relates to compositions and methods for the use of anti-autoimmune reagents that specifically bind to anti-desmoglein antibodies, which are responsible for pemphigus foliaceus. In addition, the invention relates to methods and compositions for inhibiting the expression or function of a variable region of an anti-desmoglein (anti-Dsg) pathogenic autoantibody.
    Type: Grant
    Filed: May 9, 2008
    Date of Patent: September 30, 2014
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: Aimee S. Payne, John R. Stanley, Donald L. Siegel, Jun Yamagami, Ken Ishii
  • Patent number: 8623594
    Abstract: The invention includes methods of isolating a multi-subunit protein which binds to an antigen-bearing moiety. The methods comprise generating a phage display library comprising a plurality of virus vectors.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: January 7, 2014
    Assignee: The Trustees of the University of Pennsylvania
    Inventor: Donald L. Siegel
  • Patent number: 8617805
    Abstract: The present invention relates to novel methods for detecting at least one member of a known binding pair in a sample, including a cell, where one member of the pair (termed the “receptor”) is expressed by a bacteriophage, which phage is then used to detect the presence of the other member of the pair (termed the “ligand” or “target”). Rather than detecting the binding of at least one phage using antibody-based technology, the present invention relates to detecting the nucleic acid associated with the phages. In one aspect, the invention relates to identifying at least one antigen-bearing moiety (e.g., a red blood cell antigen) of interest present on a cell, e.g., a red blood cell, using antibody-displaying bacteriophages, using antiglobulin reagent-displaying bacteriophages and detecting at least one nucleic acid associated with the phage.
    Type: Grant
    Filed: October 22, 2004
    Date of Patent: December 31, 2013
    Assignee: The Trustees of the University of Pennsylvania
    Inventor: Donald L. Siegel
  • Patent number: 8586293
    Abstract: The present invention relates to novel methods for detecting a member of a known binding pair in a sample, including a cell, where one member of the pair (termed the “receptor”) is expressed by a bacteriophage, which phage is then used to detect the presence of the other member of the pair (termed the “ligand” or “target”). Rather than detecting the binding of the phage using antibody-based technology, the present invention relates to detecting the nucleic acid associated with the phage. In one aspect, the invention relates to identifying an antigen-bearing moiety (e.g., a red blood cell antigen) of interest present on a cell, e.g., a red blood cell, using antibody-displaying bacteriophage, as well as detecting anti-red blood cell auto- or alloantibodies and/or complement in a sample, using antiglobulin reagent-displaying bacteriophage and detecting a nucleic acid associated with the phage.
    Type: Grant
    Filed: March 8, 2005
    Date of Patent: November 19, 2013
    Assignee: The Trustees of the University of Pennsylvania
    Inventor: Donald L. Siegel
  • Patent number: 8470323
    Abstract: The present invention relates to the use of non-pathogenic antibodies to deliver biologically-active proteins to specific cellular and sub-cellular sites. The invention also relates to the use of non-pathogenic antibodies to deliver biologically-active, non-protein molecules to specific cellular and sub-cellular sites.
    Type: Grant
    Filed: January 9, 2008
    Date of Patent: June 25, 2013
    Assignees: The Trustees of the University of Pennsylvania, Keio University
    Inventors: John R. Stanley, Donald L. Siegel, Amagai Masayuki
  • Patent number: 8298545
    Abstract: This invention relates to compositions and methods for the use of anti-autoimmune reagents that specifically bind to anti-desmoglein antibodies, which are responsible for both pemphigus vulgaris and pemphigus foliaceus. In addition, the invention relates to methods and compositions for inhibiting the expression or function of a variable region of an anti-desmoglein (anti-Dsg) pathogenic autoantibody.
    Type: Grant
    Filed: January 25, 2008
    Date of Patent: October 30, 2012
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: Aimee S. Payne, John R. Stanley, Donald L. Siegel
  • Patent number: 8216581
    Abstract: The present invention relates to novel methods of identifying and producing an anti-platelet autoantibody. More preferably, the invention relates to identification and production of a human monoclonal anti-platelet autoantibody. Moreover, the invention relates to methods for treating or alleviating a disease, disorder or condition mediated by an anti-platelet autoantibody specifically binding with a platelet, or a component thereof, such as, but not limited to, idiopathic thrombocytopenic purpura, among others. Preferably, the antibody is an unglycosylated H44L4 Fab.
    Type: Grant
    Filed: December 23, 2004
    Date of Patent: July 10, 2012
    Assignee: The Trustees of the University of Pennsylvania
    Inventor: Donald L. Siegel