Patents by Inventor Chew-Shun Chang

Chew-Shun Chang 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: 20240076382
    Abstract: Antibodies, and antigen-binding fragments thereof, that specifically bind to Cluster of Differentiation 1a (CD1a) are provided. Embodiments include uses, and associated methods of using the antibodies, and antigen-binding fragments thereof.
    Type: Application
    Filed: July 19, 2023
    Publication date: March 7, 2024
    Applicants: Pfizer Inc., Children's Medical Center Corporation
    Inventors: Florian WINAU, Oleg V. KOVALENKO, Chew Shun CHANG, Di WU, Nicholas Andrew MARZE, Shian-Huey CHIANG
  • Publication number: 20230340151
    Abstract: The present invention provides novel antibodies that specifically bind to GUCY2c and uses thereof in the treatment of cancer. The present invention further provides novel bispecific antibodies comprising such antibodies and uses thereof in the treatment of cancer.
    Type: Application
    Filed: October 27, 2022
    Publication date: October 26, 2023
    Applicant: PFIZER INC.
    Inventors: Chew Shun CHANG, Gurkan GUNTAS, Madan KATRAGADDA, Divya MATHUR, Adam Reid ROOT, Lidia MOSYAK, Edward Roland LAVALLIE
  • Patent number: 11746154
    Abstract: Antibodies, and antigen-binding fragments thereof, that specifically bind to Cluster of Differentiation 1a (CD1a) are provided. Embodiments include uses, and associated methods of using the antibodies, and antigen-binding fragments thereof.
    Type: Grant
    Filed: October 7, 2021
    Date of Patent: September 5, 2023
    Assignees: Pfizer Inc., Children's Medical Center Corporation
    Inventors: Florian Winau, Oleg V. Kovalenko, Chew Shun Chang, Di Wu, Nicholas Andrew Marze, Shian-Huey Chiang
  • Publication number: 20230146072
    Abstract: The present invention is directed to antibodies that specifically bind to GUCY2c and methods of using such antibodies in the diagnosis and/or treatment of cancer.
    Type: Application
    Filed: October 14, 2021
    Publication date: May 11, 2023
    Applicant: PFIZER INC.
    Inventors: Chew Shun CHANG, Divya MATHUR, Adam Reid ROOT
  • Patent number: 11525010
    Abstract: The present invention provides novel antibodies that specifically bind to GUCY2c and uses thereof in the treatment of cancer. The present invention further provides novel bispecific antibodies comprising such antibodies and uses thereof in the treatment of cancer.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: December 13, 2022
    Assignee: PFIZER INC.
    Inventors: Chew Shun Chang, Gurkan Guntas, Madan Katragadda, Divya Mathur, Adam Reid Root, Lidia Mosyak, Edward Roland LaVallie
  • Patent number: 11447543
    Abstract: Antibodies and antigen binding fragments thereof directed against Staphylococcus aureus (S. aureus) surface determinant antigens and secreted toxins are disclosed. Methods of detecting, diagnosing and treating S. aureus using the antibodies and antigen binding fragments thereof are also provided.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: September 20, 2022
    Assignee: MedImmune, LLC
    Inventors: Bret Sellman, Christine Tkaczyk, Partha S. Chowdhury, Lei Hua, Peter Pavlik, Rebecca Buonpane, Chew-Shun Chang
  • Publication number: 20220112291
    Abstract: Antibodies, and antigen-binding fragments thereof, that specifically bind to Cluster of Differentiation 1a (CD1a) are provided. Embodiments include uses, and associated methods of using the antibodies, and antigen-binding fragments thereof.
    Type: Application
    Filed: October 7, 2021
    Publication date: April 14, 2022
    Applicants: Pfizer Inc., Children's Medical Center Corporation
    Inventors: Florian WINAU, Oleg V. KOVALENKO, Chew Shun CHANG, Di WU, Nicholas Andrew MARZE, Shian-Huey CHIANG
  • Publication number: 20220056113
    Abstract: The present disclosure provides binding proteins (e.g., antibodies or antigen binding fragments thereof) that specifically bind to Klebsiella pneumoniae O1 and induce opsonophagocytic killing of Klebsiella (e.g., Klebsiella pneumoniae). The present disclosure also provides methods of reducing Klebsiella (e.g., Klebsiella pneumoniae) or treating or preventing Klebsiella (e.g., Klebsiella pneumoniae) infection in a subject comprising administering the Klebsiella pneumoniae O1 binding proteins, (e.g., antibodies or antigen-binding fragments thereof) to the subject.
    Type: Application
    Filed: August 9, 2021
    Publication date: February 24, 2022
    Inventors: Qun WANG, Charles K. STOVER, Meghan PENNINI, Chew-shun CHANG, Xiaodong XIAO, Jamese HILLIARD, Gilad KAPLAN, Davide CORTI, Elisabetta CAMERONI, Martina BELTRAMELLO
  • Patent number: 11117956
    Abstract: The present disclosure provides binding proteins (e.g., antibodies or antigen binding fragments thereof) that specifically bind to Klebsiella pneumoniae O1 and induce opsonophagocytic killing of Klebsiella (e.g., Klebsiella pneumoniae). The present disclosure also provides methods of reducing Klebsiella (e.g., Klebsiella pneumoniae) or treating or preventing Klebsiella (e.g., Klebsiella pneumoniae) infection in a subject comprising administering the Klebsiella pneumoniae O1 binding proteins, (e.g., antibodies or antigen-binding fragments thereof) to the subject.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: September 14, 2021
    Assignees: MedImmune, LLC, Humabs BioMed SA
    Inventors: Qun Wang, Charles Stover, Meghan Pennini, Chew-shun Chang, Xiaodong Xiao, Jamese Hilliard, Gilad Kaplan, Davide Corti, Elisabetta Cameroni, Martina Beltramello
  • Publication number: 20200407429
    Abstract: Antibodies and antigen binding fragments thereof directed against Staphylococcus aureus (S. aureus) surface determinant antigens and secreted toxins are disclosed. Methods of detecting, diagnosing and treating S. aureus using the antibodies and antigen binding fragments thereof are also provided.
    Type: Application
    Filed: July 9, 2020
    Publication date: December 31, 2020
    Applicant: MedImmune, LLC
    Inventors: Bret SELLMAN, Christine Tkaczyk, Partha S. Chowdhury, Lei Hua, Peter Pavlik, Rebecca Buonpane, Chew-Shun Chang
  • Patent number: 10730934
    Abstract: Antibodies and antigen binding fragments thereof directed against Staphylococcus aureus (S. aureus) surface determinant antigens and secreted toxins are disclosed. Methods of detecting, diagnosing and treating S. aureus using the antibodies and antigen binding fragments thereof are also provided.
    Type: Grant
    Filed: January 25, 2018
    Date of Patent: August 4, 2020
    Assignee: Medlmmune, LLC
    Inventors: Bret Sellman, Christine Tkaczyk, Partha S. Chowdhury, Lei Hua, Peter Pavlik, Rebecca Buonpane, Chew-Shun Chang
  • Publication number: 20200231660
    Abstract: The present disclosure provides binding proteins (e.g., antibodies or antigen binding fragments thereof) that specifically bind to Klebsiella pneumoniae O1 and induce opsonophagocytic killing of Klebsiella (e.g., Klebsiella pneumoniae). The present disclosure also provides methods of reducing Klebsiella (e.g., Klebsiella pneumoniae) or treating or preventing Klebsiella (e.g., Klebsiella pneumoniae) infection in a subject comprising administering the Klebsiella pneumoniae O1 binding proteins, (e.g., antibodies or antigen-binding fragments thereof) to the subject.
    Type: Application
    Filed: October 16, 2017
    Publication date: July 23, 2020
    Inventors: Qun Wang, Charles Stover, Meghan Pennini, Chew-shun Chang, Xiaodong Xiao, Jamese Hilliard, Gilad Kaplan, Davide Corti, Elisabetta Cameroni, Martina Beltramello
  • Publication number: 20200010566
    Abstract: The present invention provides novel antibodies that specifically bind to GUCY2c and uses thereof in the treatment of cancer. The present invention further provides novel bispecific antibodies comprising such antibodies and uses thereof in the treatment of cancer.
    Type: Application
    Filed: May 21, 2019
    Publication date: January 9, 2020
    Applicant: Pfizer Inc.
    Inventors: Chew Shun Chang, Gurkan Guntas, Madan Katragadda, Divya Mathur, Adam Reid Root, Lidia Mosyak, Edward Roland LaVallie
  • Publication number: 20190062411
    Abstract: The present disclosure provides MrkA binding proteins, e.g., antibodies or antigen binding fragments thereof that bind to MrkA and induce opsonophagocytic killing of Klebsiella (e.g., Klebsiella pneumoniae). The present disclosure also provides methods of reducing Klebsiella (e.g., Klebsiella pneumoniae) or treating or preventing Klebsiella (e.g., Klebsiella pneumoniae) infection in a subject comprising administering MrkA binding proteins, e.g., antibodies or antigen-binding fragments thereof, MrkA polypeptides, immunogenic fragments thereof, or polynucleotides encoding MrkA or immunogenic fragments thereof to the subject.
    Type: Application
    Filed: March 29, 2018
    Publication date: February 28, 2019
    Applicant: MedImmune, LLC
    Inventors: Qun WANG, Saravanan RAJAN, Chew-Shun CHANG, Jenny HEIDBRINK THOMPSON, Charles Kendall STOVER, Meghan PENNINI, William DALL'ACQUA, Partha S. CHOWDHURY, Xiaodong XIAO, Hung-Yu LIN
  • Publication number: 20190016787
    Abstract: Antibodies and antigen binding fragments thereof directed against Staphylococcus aureus (S. aureus) surface determinant antigens and secreted toxins are disclosed. Methods of detecting, diagnosing and treating S. aureus using the antibodies and antigen binding fragments thereof are also provided.
    Type: Application
    Filed: January 25, 2018
    Publication date: January 17, 2019
    Applicant: MEDIMMUNE, LLC
    Inventors: Bret SELLMAN, Christine TKACZYK, Partha S. CHOWDHURY, Lei HUA, Peter PAVLIK, Rebecca BUONPANE, Chew-Shun CHANG
  • Patent number: 9879070
    Abstract: Antibodies and antigen binding fragments thereof directed against Staphylococcus aureus (S. aureus) surface determinant antigens and secreted toxins are disclosed. Methods of detecting, diagnosing and treating S. aureus using the antibodies and antigen binding fragments thereof are also provided.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: January 30, 2018
    Assignee: MedImmune, LLC
    Inventors: Brett Sellman, Christine Tkaczyk, Partha S. Chowdhury, Lei Hua, Peter Pavlik, Rebecca Buonpane, Chew-Shun Chang
  • Publication number: 20170073397
    Abstract: The present disclosure provides MrkA binding proteins, e.g., antibodies or antigen binding fragments thereof that bind to MrkA and induce opsonophagocytic killing of Klebsiella (e.g., Klebsiella pneumoniae). The present disclosure also provides methods of reducing Klebsiella (e.g., Klebsiella pneumoniae) or treating or preventing Klebsiella (e.g., Klebsiella pneumoniae) infection in a subject comprising administering MrkA binding proteins, e.g., antibodies or antigen-binding fragments thereof, MrkA polypeptides, immunogenic fragments thereof, or polynucleotides encoding MrkA or immunogenic fragments thereof to the subject.
    Type: Application
    Filed: August 23, 2016
    Publication date: March 16, 2017
    Inventors: Qun WANG, Saravanan RAJAN, Chew-Shun CHANG, Jenny HEIDBRINK THOMPSON, Charles Kendall STOVER, Meghan PENNINI, William DALL'ACQUA, Partha S. CHOWDHURY, Xiaodong XIAO, Hung-Yu Lin
  • Publication number: 20150291685
    Abstract: Antibodies and antigen binding fragments thereof directed against Staphylococcus aureus (S. aureus) surface determinant antigens and secreted toxins are disclosed. Methods of detecting, diagnosing and treating S. aureus using the antibodies and antigen binding fragments thereof are also provided.
    Type: Application
    Filed: November 6, 2013
    Publication date: October 15, 2015
    Applicant: MEDIMMUNE, LLC
    Inventors: Bret Sellman, Christine Tkaczyk, Partha S. Chowdhury, Lei Hua, Peter Pavlik, Rebecca Buonpane, Chew-Shun Chang
  • Publication number: 20150110802
    Abstract: Methods are provided for producing a plurality of antibody species in a single animal, comprising delivering a plurality of antigen species to a single animal, where each antigen species is delivered to the animal at an anatomically distinct location. Also provided are methods for generating an immune response in an animal, where each antigen species is delivered to the animal at an anatomically distinct location, under conditions in which the animal produces a plurality of antibody species, where each antibody species specifically binds to a different antigen species among the plurality of antigen species.
    Type: Application
    Filed: February 26, 2013
    Publication date: April 23, 2015
    Applicant: Medlmmune, LLC
    Inventors: Partha S. Chowdhury, Chew-Shun Chang