Patents by Inventor Assaf Raz

Assaf Raz 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: 20210198644
    Abstract: Provided are methods, compositions and articles of manufacture useful for the prophylactic and therapeutic amelioration and treatment of gram-negative bacteria, including Klebsiella, Enterobacter, and Pseudomonas, and related conditions. The compositions and methods utilize Klebsiellapneumonia, Enterobacter, and Pseudomonas derived bacteriophage lysins, and variants thereof, including truncations thereof.
    Type: Application
    Filed: May 23, 2019
    Publication date: July 1, 2021
    Inventors: Vincent FISCHETTI, Assaf RAZ, Martin ANDERSSON
  • Publication number: 20210062137
    Abstract: Provided are methods, compositions and articles of manufacture useful for the prophylactic and therapeutic amelioration and treatment of Gram-negative bacteria, including Pseudomonas, and related conditions. Provided are compositions and methods incorporating and utilizing Pseudomonas aeruginosa derived bacteriophage lysins, and variants thereof, including truncations thereof. Methods for treatment of humans and non-human animals are provided.
    Type: Application
    Filed: December 21, 2018
    Publication date: March 4, 2021
    Inventors: Vincent FISCHETTI, Assaf RAZ, Chad EULER
  • Patent number: 10588971
    Abstract: The present invention relates to methods and compositions for use in modulating, including inhibiting the growth and/or reducing the virulence of, gram-positive bacteria. The present invention provides methods and compositions for disrupting the cell wall and/or cell membrane in gram-positive bacteria such that cell wall or cell membrane target(s) are rendered exposed or accessible and sensitive to a modulation thereof. Methods for modulation of one or more gram-positive bacterial cell wall or cell membrane targets in a gram-positive bacteria are provided comprising disrupting the cell wall such that the cell wall or cell membrane target, which is particularly a sortase, is rendered exposed or accessible and sensitive to a modifying, modulating or binding agent, which is particularly an antibody or fragment thereof, wherein the cell wall or cell membrane target is inaccessible or relatively insensitive to the modifying, modulating or binding agent in the absence of cell wall disruption.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: March 17, 2020
    Assignee: The Rockefeller University
    Inventors: Robert C. Nowinski, Vincent A. Fischetti, Assaf Raz
  • Publication number: 20190352377
    Abstract: Provided are compositions, methods and kits that are useful for detecting, inhibiting the growth of, and killing bacteria. The compositions include recombinant, chimeric polypeptides that contain at least one immunoglobulin fragment crystallizable region (Fc) segment and at least one additional segment that contains a binding domain that is specific for a bacterial cell wall substrate. The binding domain is one from one or more of a bacterial autolysin, a bacteriophage lysin, a bacteriophage tail or tail fiber, or a bacteriocin. Method of using the polypeptides for detecting, inhibiting the growth of, and killing bacteria are provided and involve contacting bacteria with the polypeptides. Methods of making the polypeptides include expressing the polypeptides in cells, and separating the polypeptides from the cells. Polynucleotides, such as expression vectors, that encode the chimeric polypeptides are also provided.
    Type: Application
    Filed: November 15, 2017
    Publication date: November 21, 2019
    Inventors: Vincent FISCHETTI, Assaf RAZ
  • Publication number: 20180125974
    Abstract: The present invention relates to methods and compositions for use in modulating, including inhibiting the growth and/or reducing the virulence of, gram-positive bacteria. The present invention provides methods and compositions for disrupting the cell wall and/or cell membrane in gram-positive bacteria such that cell wall or cell membrane target(s) are rendered exposed or accessible and sensitive to a modulation thereof. Methods for modulation of one or more gram-positive bacterial cell wall or cell membrane targets in a gram-positive bacteria are provided comprising disrupting the cell wall such that the cell wall or cell membrane target, which is particularly a sortase, is rendered exposed or accessible and sensitive to a modifying, modulating or binding agent, which is particularly an antibody or fragment thereof, wherein the cell wall or cell membrane target is inaccessible or relatively insensitive to the modifying, modulating or binding agent in the absence of cell wall disruption.
    Type: Application
    Filed: August 11, 2017
    Publication date: May 10, 2018
    Inventors: Robert C. Nowinski, Vincent A. Fischetti, Assaf Raz
  • Patent number: 9731010
    Abstract: The present invention relates to methods and compositions for use in modulating, including inhibiting the growth and/or reducing the virulence of, gram-positive bacteria. The present invention provides methods and compositions for disrupting the cell wall and/or cell membrane in gram-positive bacteria such that cell wall or cell membrane target(s) are rendered exposed or accessible and sensitive to a modulation thereof. Methods for modulation of one or more gram-positive bacterial cell wall or cell membrane targets in a gram-positive bacteria are provided comprising disrupting the cell wall such that the cell wall or cell membrane target, which is particularly a sortase, is rendered exposed or accessible and sensitive to a modifying, modulating or binding agent, which is particularly an antibody or fragment thereof, wherein the cell wall or cell membrane target is inaccessible or relatively insensitive to the modifying, modulating or binding agent in the absence of cell wall disruption.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: August 15, 2017
    Assignees: The Rockefeller University, Contrafect Corporation
    Inventors: Robert C. Nowinski, Vincent A. Fischetti, Assaf Raz
  • Publication number: 20150306218
    Abstract: The present invention relates to methods and compositions for use in modulating, including inhibiting the growth and/or reducing the virulence of, gram-positive bacteria. The present invention provides methods and compositions for disrupting the cell wall and/or cell membrane in gram-positive bacteria such that cell wall or cell membrane target(s) are rendered exposed or accessible and sensitive to a modulation thereof. Methods for modulation of one or more gram-positive bacterial cell wall or cell membrane targets in a gram-positive bacteria are provided comprising disrupting the cell wall such that the cell wall or cell membrane target, which is particularly a sortase, is rendered exposed or accessible and sensitive to a modifying, modulating or binding agent, which is particularly an antibody or fragment thereof, wherein the cell wall or cell membrane target is inaccessible or relatively insensitive to the modifying, modulating or binding agent in the absence of cell wall disruption.
    Type: Application
    Filed: March 9, 2015
    Publication date: October 29, 2015
    Inventors: Robert C. Nowinski, Vincent A. Fischetti, Assaf Raz
  • Patent number: 9005579
    Abstract: The present invention relates to methods and compositions for use in modulating, including inhibiting the growth and/or reducing the virulence of gram-positive bacteria. The present invention provides methods and compositions for disrupting the cell wall and/or cell membrane in gram-positive bacteria such that cell wall or cell membrane target(s) are rendered exposed or accessible and sensitive to a modulation thereof. Methods for modulation of one or more gram-positive bacterial cell wall or cell membrane targets in a gram-positive bacteria are provided comprising disrupting the cell wall such that the cell wall or cell membrane target, which is particularly a sortase, is rendered exposed or accessible and sensitive to a modifying, modulating or binding agent, which is particularly an antibody or fragment thereof, wherein the cell wall or cell membrane target is inaccessible or relatively insensitive to the modifying, modulating or binding agent in the absence of cell wall disruption.
    Type: Grant
    Filed: January 5, 2011
    Date of Patent: April 14, 2015
    Assignees: Contrafect Corporation, The Rockfeller University
    Inventors: Robert C. Nowinski, Vincent A. Fischetti, Assaf Raz
  • Publication number: 20130045211
    Abstract: The present invention relates to methods and compositions for use in modulating, including inhibiting the growth and/or reducing the virulence of gram-positive bacteria. The present invention provides methods and compositions for disrupting the cell wall and/or cell membrane in gram-positive bacteria such that cell wall or cell membrane target(s) are rendered exposed or accessible and sensitive to a modulation thereof. Methods for modulation of one or more gram-positive bacterial cell wall or cell membrane targets in a gram-positive bacteria are provided comprising disrupting the cell wall such that the cell wall or cell membrane target, which is particularly a sortase, is rendered exposed or accessible and sensitive to a modifying, modulating or binding agent, which is particularly an antibody or fragment thereof, wherein the cell wall or cell membrane target is inaccessible or relatively insensitive to the modifying, modulating or binding agent in the absence of cell wall disruption.
    Type: Application
    Filed: January 5, 2011
    Publication date: February 21, 2013
    Applicants: THE ROCKEFELLER UNIVERSITY, CONTRAFECT CORPORATION
    Inventors: Robert C. Nowinski, Vincent A. Fischetti, Assaf Raz