Patents by Inventor Karthik Viswanathan

Karthik Viswanathan 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: 12338291
    Abstract: Humanized antibody molecules that specifically bind to CD138 are disclosed. The humanized antibody molecules can be used to treat, prevent, and/or diagnose disorders, such as multiple myeloma.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: June 24, 2025
    Assignee: VISTERRA, INC.
    Inventors: Bharat Chaganty, Boopathy Ramakrishnan, Hedy Adari-Hall, Karthik Viswanathan, James R. Myette, Zachary Shriver, Andrew M. Wollacott
  • Publication number: 20250171555
    Abstract: The present disclosure provides, among other things, two different formats of humanized antibodies against human complement component 5a receptor I. The disclosure also provides a method of treating a subject having dysfunctions of C5a/C5aR1 axis pathway, including but not limited to ANCA-associated vasculitis, comprising administering to the subject in need thereof an effective amount of antibody or a nucleic encoding an antibodies binding to C5aR1 described herein, and wherein administering results in a decrease in symptoms associated with C5a/C5aR1 associated dysfunction in the subject.
    Type: Application
    Filed: February 10, 2025
    Publication date: May 29, 2025
    Inventors: Karthik Viswanathan, Brian Booth, Boopathy Ramakrishnan, Andrew Wollacott, Gregory Babcock, Zachary Shriver, Lauren Olinski
  • Patent number: 12264203
    Abstract: The present disclosure provides, among other things, two different formats of humanized antibodies against human complement component 5a receptor I. The disclosure also provides a method of treating a subject having dysfunctions of C5a/C5aR1 axis pathway, including but not limited to ANCA-associated vasculitis, comprising administering to the subject in need thereof an effective amount of antibody or a nucleic encoding an antibodies binding to C5aR1 described herein, and wherein administering results in a decrease in symptoms associated with C5a/C5aR1 associated dysfunction in the subject.
    Type: Grant
    Filed: May 31, 2024
    Date of Patent: April 1, 2025
    Assignee: Visterra, Inc.
    Inventors: Karthik Viswanathan, Brian Booth, Boopathy Ramakrishnan, Andrew Wollacott, Gregory Babcock, Zachary Shriver, Lauren Olinski
  • Publication number: 20250083089
    Abstract: Adsorbent materials are disclosed, along with filter elements containing the adsorbent materials methods of using adsorbents to remove siloxane contaminants from a gas stream. The method includes providing an adsorbent material that has been washed with an acid and passing a gas through the adsorbent material so as to reduce siloxane levels in the gas. A filter element for reducing siloxane levels in a gas includes a first adsorbent material, the first adsorbent material comprising an acid-washed adsorbent; and a second adsorbent material, the second adsorbent material comprising an acid-impregnated adsorbent.
    Type: Application
    Filed: November 22, 2024
    Publication date: March 13, 2025
    Inventors: Brian N. Hoang, Gerald Weineck, Karthik Viswanathan, Andrew J. Dallas
  • Publication number: 20250066464
    Abstract: Antibody molecules that specifically bind to APRIL are disclosed. The antibody molecules can be used to treat, prevent, and/or diagnose disorders, such as IgA nephropathy.
    Type: Application
    Filed: July 31, 2024
    Publication date: February 27, 2025
    Applicant: VISTERRA, INC.
    Inventors: James R. MYETTE, Zachary Holmes SHRIVER, Karthik VISWANATHAN, Andrew M. WOLLACOTT, Hedy ADARI-HALL, Boopathy RAMAKRISHNAN, Gregory BABCOCK
  • Patent number: 12227587
    Abstract: The present disclosure provides, among other things, two different formats of humanized antibodies against human complement component 5a receptor I. The disclosure also provides a method of treating a subject having dysfunctions of C5a/C5aR1 axis pathway, including but not limited to ANCA-associated vasculitis, comprising administering to the subject in need thereof an effective amount of antibody or a nucleic encoding an antibodies binding to C5aR1 described herein, and wherein administering results in a decrease in symptoms associated with C5a/C5aR1 associated dysfunction in the subject.
    Type: Grant
    Filed: January 17, 2024
    Date of Patent: February 18, 2025
    Assignee: Visterra, Inc.
    Inventors: Karthik Viswanathan, Brian Booth, Boopathy Ramakrishnan, Andrew Wollacott, Gregory Babcock, Zachary Shriver, Lauren Olinski
  • Publication number: 20250043014
    Abstract: Antibody molecules that specifically bind to APRIL are disclosed. The antibody molecules can be used to treat, prevent, and/or diagnose disorders, such as IgA nephropathy.
    Type: Application
    Filed: August 23, 2024
    Publication date: February 6, 2025
    Applicant: VISTERRA, INC.
    Inventors: David William OLDACH, James R. MYETTE, Zachary SHRIVER, Karthik VISWANATHAN, Andrew M. WOLLACOTT, Hedy ADARI-HALL, Boopathy RAMAKRISHNAN, Gregory BABCOCK, Jill YARBROUGH, Asher SCHACHTER, Mohit MATHUR
  • Patent number: 12187807
    Abstract: Antibody molecules that specifically bind to C5aR1 are disclosed. The antibody molecules can be used to treat, prevent, and/or diagnose disorders, such as ANCA-vasculitis.
    Type: Grant
    Filed: August 18, 2023
    Date of Patent: January 7, 2025
    Assignee: Visterra, Inc.
    Inventors: Karthik Viswanathan, Brian Booth, Boopathy Ramakrishnan, Andrew Wollacott, Gregory Babcock, Zachary Shriver
  • Publication number: 20250002603
    Abstract: The present disclosure provides, among other things, two different formats of humanized antibodies against human complement component 5a receptor I. The disclosure also provides a method of treating a subject having dysfunctions of C5a/C5aR1 axis pathway, including but not limited to ANCA-associated vasculitis, comprising administering to the subject in need thereof an effective amount of antibody or a nucleic encoding an antibodies binding to C5aR1 described herein, and wherein administering results in a decrease in symptoms associated with C5a/C5aR1 associated dysfunction in the subject.
    Type: Application
    Filed: January 17, 2024
    Publication date: January 2, 2025
    Inventors: Karthik Viswanathan, Brian Booth, Boopathy Ramakrishnan, Andrew Wollacott, Gregory Babcock, Zachary Shriver, Lauren Olinski
  • Publication number: 20240425569
    Abstract: Antibody molecules that specifically bind to dengue virus are disclosed. In certain embodiments, the antibody molecule bind to dengue virus serotypes DV-1, DV-2, DV-3, and DV-4. The antibody molecules can be used to treat, prevent, and/or diagnose dengue virus.
    Type: Application
    Filed: June 24, 2024
    Publication date: December 26, 2024
    Inventors: Luke Robinson, Zachary Shriver, James R. Myette, Gregory Babcock, Karthik Viswanathan
  • Publication number: 20240392029
    Abstract: The present disclosure provides, among other things, two different formats of humanized antibodies against human complement component 5a receptor I. The disclosure also provides a method of treating a subject having dysfunctions of C5a/C5aR1 axis pathway, including but not limited to ANCA-associated vasculitis, comprising administering to the subject in need thereof an effective amount of antibody or a nucleic encoding an antibodies binding to C5aR1 described herein, and wherein administering results in a decrease in symptoms associated with C5a/C5aR1 associated dysfunction in the subject.
    Type: Application
    Filed: May 31, 2024
    Publication date: November 28, 2024
    Inventors: Karthik Viswanathan, Brian Booth, Boopathy Ramakrishnan, Andrew Wollacott, Gregory Babcock, Zachary Shriver, Lauren Olinski
  • Patent number: 12151198
    Abstract: Adsorbent materials are disclosed, along with filter elements containing the adsorbent materials methods of using adsorbents to remove siloxane contaminants from a gas stream. The method includes providing an adsorbent material that has been washed with an acid and passing a gas through the adsorbent material so as to reduce siloxane levels in the gas. A filter element for reducing siloxane levels in a gas includes a first adsorbent material, the first adsorbent material comprising an acid-washed adsorbent; and a second adsorbent material, the second adsorbent material comprising an acid-impregnated adsorbent.
    Type: Grant
    Filed: April 21, 2023
    Date of Patent: November 26, 2024
    Assignee: Donaldson Company, Inc.
    Inventors: Brian N. Hoang, Gerald Weineck, Karthik Viswanathan, Andrew J. Dallas
  • Publication number: 20240383958
    Abstract: The present invention provides, among other things, apelin receptor agonists with increased half-life, reduced desensitization, improved apelin receptor signaling properties (e.g., bias for G? signaling over ?-arrestin signaling), enhanced stability, and/or enhanced binding to apelin receptor.
    Type: Application
    Filed: April 11, 2024
    Publication date: November 21, 2024
    Applicant: VISTERRA, INC.
    Inventors: Karthik Viswanathan, Brahm Yachnin, Laura Vinue-Santolalla
  • Publication number: 20240342300
    Abstract: Antibody molecule-drug conjugates (ADCs) that specifically bind to lipopolysaccharides (LPS) are disclosed. The antibody molecule-drug conjugates can be used to treat, prevent, and/or diagnose bacterial infections and related disorders.
    Type: Application
    Filed: February 7, 2024
    Publication date: October 17, 2024
    Inventors: Karthik Viswanathan, Kenneth Douglas Johnson, Obadiah Joseph Plante, James C. Delaney, Tyree J. Koch, Hamid Tissire, Andrew M. Wollacott, Boopathy Ramakrishnan
  • Patent number: 12091451
    Abstract: Antibody molecules that specifically bind to APRIL are disclosed. The antibody molecules can be used to treat, prevent, and/or diagnose disorders, such as IgA nephropathy.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: September 17, 2024
    Assignee: VISTERRA, INC.
    Inventors: James R. Myette, Zachary Holmes Shriver, Karthik Viswanathan, Andrew M. Wollacott, Hedy Adari-Hall, Boopathy Ramakrishnan, Gregory Babcock
  • Publication number: 20240301065
    Abstract: Antibody molecules that specifically bind to CD138 are disclosed. The antibody molecules can be used to treat, prevent, and/or diagnose disorders, such as multiple myeloma.
    Type: Application
    Filed: February 20, 2024
    Publication date: September 12, 2024
    Inventors: Bharat Chaganty, Boopathy Ramakrishnan, Hedy Adari-Hall, Karthik Viswanathan, James R. Myette, Zachary Shriver
  • Patent number: 12054539
    Abstract: Antibody molecules that specifically bind to dengue virus are disclosed. In certain embodiments, the antibody molecule bind to dengue virus serotypes DV-1, DV-2, DV-3, and DV-4. The antibody molecules can be used to treat, prevent, and/or diagnose dengue virus.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: August 6, 2024
    Assignee: VISTERRA, INC.
    Inventors: Luke Robinson, Zachary Shriver, James R. Myette, Gregory Babcock, Karthik Viswanathan
  • Publication number: 20240228652
    Abstract: The present invention provides, among other things, anti-C3b antibodies with increased specificity and potency and methods of treating C3 glomerulopathy and other complement mediated diseases and disorders using the same.
    Type: Application
    Filed: September 20, 2023
    Publication date: July 11, 2024
    Applicant: Visterra, Inc.
    Inventors: Karthik Viswanathan, Ramki Ramakrishnan, Hedy Adari, Feng Gao, Andrew Wollacott
  • Patent number: 12024552
    Abstract: This disclosure relates to novel peptide agents, e.g., antibodies and antigen-binding fragments thereof, that bind hemagglutinin protein of influenza viruses, and methods of their use.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: July 2, 2024
    Assignee: VISTERRA, INC.
    Inventors: Zachary Shriver, Karthik Viswanathan, Vidya Subramanian, Sasisekharan Raguram
  • Publication number: 20240150488
    Abstract: Antibody molecules that specifically bind to C5aR1 are disclosed. The antibody molecules can be used to treat, prevent, and/or diagnose disorders, such as ANCA-vasculitis.
    Type: Application
    Filed: September 29, 2023
    Publication date: May 9, 2024
    Inventors: Karthik Viswanathan, Brian Booth, Boopathy Ramakrishnan, Andrew Wollacott, Gregory Babcock, Zachary Shriver