Patents by Inventor Brian Wai Kwan

Brian Wai Kwan 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).

  • COMPOSITIONS OF PROGRAMMED DEATH RECEPTOR 1 (PD-1) ANTIBODIES AND METHODS OF OBTAINING THE COMPOSITIONS THEREOF
    Publication number: 20220251205
    Abstract: The invention provides compositions of anti-PD-1 antibodies or antigen-binding fragments thereof with less than or equal to about 3.0% oxidation of Met105 in the CDRH3 heavy chain region, and methods of obtaining the purified compositions. The invention also provides compositions comprising anti-PD-1 antibody main species and acidic species thereof, wherein the amount of acidic species is about 1.0-12.0%.
    Type: Application
    Filed: January 27, 2022
    Publication date: August 11, 2022
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Mark A. Brower, Chung-Jr Huang, Brian Wai Kwan, William Nicholas Napoli, Bhumit A. Patel, Nuno J. Dos Santos Pinto, Douglas Dennis Richardson, II, Sen Xu