Patents by Inventor Keith Karcher

Keith Karcher 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: 20260308259
    Abstract: Methods for dosing of antibodies to human neonatal Fc receptor (FcRn) are described. The anti-FcRn antibodies are useful, e.g., to promote clearance of autoantibodies in a subject, to suppress antigen presentation in a subject, to block an immune response, e.g., block an immune complex-based activation of the immune response in a subject, or to treat immunological diseases (e.g., autoimmune diseases) in a subject.
    Type: Application
    Filed: June 17, 2026
    Publication date: October 8, 2026
    Inventors: Sindhu Ramchandren, Hong Sun, William Denney, Santiago Arroyo, Leona F. Ling, Jocelyn H. Leu, Jianhua Jin, Marie-Helene Jouvin, Keith Karcher, Shawn Black, Yaowei Zhu
  • Patent number: 12723087
    Abstract: Methods for dosing antibodies directed to human neonatal Fc receptor (FcRn) are described, wherein said methods comprise administration of anti-FcRn antibodies at an initial loading dose and a maintenance dose. The anti-FcRn antibodies are useful, e.g., to promote clearance of autoantibodies in a subject, to suppress antigen presentation in a subject, to block an immune response, e.g., block an immune complex-based activation of the immune response in a subject, or to treat immunological diseases (e.g., autoimmune diseases) in a subject, such as myasthenia gravis. Pharmaceutical compositions comprising the anti-FcRn antibodies are also described.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: September 1, 2026
    Assignee: Momenta Pharmaceuticals, Inc.
    Inventors: Sindhu Ramchandren, Hong Sun, William Denney, Santiago Arroyo, Leona E. Ling, Jocelyn H. Leu, Jianhua Jin, Marie-Helene Jouvin, Keith Karcher, Shawn Black, Yaowei Zhu
  • Publication number: 20220144946
    Abstract: Methods for dosing of antibodies to human neonatal Fc receptor (FcRn) are described. The anti-FcRn antibodies are useful, e.g., to promote clearance of autoantibodies in a subject, to suppress antigen presentation in a subject, to block an immune response, e.g., block an immune complex-based activation of the immune response in a subject, or to treat immunological diseases (e.g., autoimmune diseases) in a subject.
    Type: Application
    Filed: November 5, 2021
    Publication date: May 12, 2022
    Inventors: Sindhu Ramchandran, Hong Sun, William Denney, Santiago Arroyo, Leona Ling, Jocelyn Leu, Jianhua Jin, Marie-Helene Jouvin, Keith Karcher, Shawn Black, Yaowei Zhu