Patents by Inventor Ellen Ratcliff

Ellen Ratcliff 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).

  • Parvovirus antibodies for veterinary use
    Patent number: 12398198
    Abstract: Provided are various embodiments relating to parvovirus antibodies, including caninized, felinized, and chimeric antibodies, that bind to canine and/or feline parvovirus, for example, having improved expression characteristics. In various embodiments, the parvovirus antibodies have ADCC, ADCP, and/or CDC effector functions. In various embodiments, such monoclonal parvovirus antibodies can be used in methods to prevent and/or treat parvoviral infection in subjects, such as dogs and cats. For example, the parvovirus antibodies provided may be used to provide passive immunity against infection with a canine or feline parvovirus.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: August 26, 2025
    Assignee: Elanco US Inc.
    Inventors: Hangjun Zhan, Lam Nguyen, Ellen Ratcliff, Richard Chin, Shyr Jiann Li
  • Parvovirus Antibodies for Veterinary Use
    Publication number: 20220267414
    Abstract: Provided are various embodiments relating to parvovirus antibodies, including caninized, felinized, and chimeric antibodies, that bind to canine and/or feline parvovirus, for example, having improved expression characteristics. In various embodiments, the parvovirus antibodies have ADCC, ADCP, and/or CDC effector functions. In various embodiments, such monoclonal parvovirus antibodies can be used in methods to prevent and/or treat parvoviral infection in subjects, such as dogs and cats. For example, the parvovirus antibodies provided may be used to provide passive immunity against infection with a canine or feline parvovirus.
    Type: Application
    Filed: July 30, 2020
    Publication date: August 25, 2022
    Applicant: Kindred Biosciences, Inc.
    Inventors: Hangjun Zhan, Lam Nguyen, Ellen Ratcliff, Richard Chin, Shyr Jiann Li